(027)encap.liferafts-davits.pdf

FRV40-226-027-010

DESCRIPTION, OPERATION, INSTALLATION AND

MAINTENANCE INSTRUCTIONS

Encapsulated Liferafts and Davits Model: Davit: SRR360/3,65/21 Winch: 08-02 HVStop

Halter Marine, Inc.

13085 Seaway Rd.

P.O. Box 3029 Gulfport, MS 39505

50-SPNA-1-00031

PUBLISHED BY DIRECTION OF NOAA

DanLe

REV 1

FRV40-226-027-010

DESCRIPTION, OPERATION, INSTALLATION AND

MAINTENANCE INSTRUCTIONS

Model: Davit: SRR360/3,65/21 Winch: 08-02 HVStop

13085 Seaway Rd.

P.O. Box 3029 Gulfport, MS 39505

PUBLISHED BY DIRECTION OF NOAA

31 October 2007

REV 1

RECORD OF CHANGES

Change No.

Date Title and/or Brief Description Signature of Validating Officer

REV 1 08/05/04 MODIFIED TO INCLUDE

DanLe

LAUNCHING INSTRUCTIONS

REV 2 10/29/07 MODIFIED DAVIT AND WINCH

APPROVAL AND PROCUREMENT RECORD PAGE

APPROVAL DATA FOR: FRV40-226-027-010

TITLE OF MANUAL: Encapsulated Liferafts and Davits

APPROVAL AUTHORITY: NOAA

Contract Number

Ship Applicability

Qty Of Manuals

Building Yard

50-SPNA-1-00031 FRV40-226 2 EA Halter Marine Inc.

REMARKS:

CERTIFICATION: It is hereby certified that FRV40-226-027-010 to be provided under contract 50-SPNA- 1-00031 has been approved by the approval data shown above.

Date:________________ Chand, LLC Mathews, LA 70375

CAGE CODE: 0D5X4

VALIDATION PERFORMANCE

Title of Publication

Contractor Sub-Contractor (If

Performing Validation)

Contract No.(s) and Purchase Orders, If Applicable

Chapter

Section Paragraph Date Validation Completed

Check here if Not Validated

Contents of this manual have been validated and certified to be applicable to the equipment furnished under the above procurement as specified for Validation.

Name & Authority of Validating Officer: Signature of Validating Officer:

FOREWORD

This manual is intended to clearly and accurately reflect the actual configuration of the installed equipment described for the FRV40-226-027-010 Encapsulated Liferafts and Davits. Users are urged to report instances noted wherein the manual does not achieve this objective.

This technical manual provides the instructions necessary to operate, to perform maintenance on and troubleshooting of the Encapsulated Liferafts and Davits. The text is broken down as follows:

Section 1- Introduction

Section 2- Operation

Section 3- Handling of Wire Rope

Section 4- Inspection Prior to Commissioning

Section 5- Inspection, Maintenance and Repair Record

Section 6- Maintenance and Repair Instructions

Section 7- Safety Guidelines

Section 8 - Liferaft Launching Instructions

Schat-Harding Reference: 2049022

MANUFACTURING RECORD BOOK

Davit SA3,5 / Winch W50RS

Client: HALTER MARINE INC.

Project: Repeat H.1953

Davit SRR360 / Winch 08-02

INSTALLATION, OPERATION

AND MAINTENANCE MANUAL

Davit type: SRR360/3,65/21 Winch type: 08-02 H/V STOP schat-harding reserve the right to change or alter the contents of this manual

D781.011015 Edition: 06/04/2005 Schat-Harding SRR COVIMITS

INSTRUCTION MANUAL

- INDEX -

DAVIT TYPE: SRR 360 / 3.65 / 21

ON BOARD:

SCHAT-HARDING REFERENCE:

DOCUMENT SECTION

Title Sheet ...........................................................................................................................TS-IMI Index............................................................................................................SRR/360/3,65/21 IDX Particulars ..................................................................................................SRR/360/3,65/21 LAP Introduction ............................................................................................................................ USH Description - Liferaft Mode................................................................................................. SRR-D Operation - Liferaft Mode................................................................................................... SRR-O Automatic Release Hook ...................................................................................................... ARH Manual Brake Gear................................................................................................................MEB Governor Brake Gear ............................................................................................................GBG Reduction Gears .................................................................................................................... BRE Winch - Exploded View.......................................................................................................... EVD Handling of Wire Rope.......................................................................................................... HWR Instructions for Mounting Wedge Socket............................................................................... IMW Instructions for Splicing in with Wire Rope Clips .................................................................... ISW Inspection Prior to Commissioning ..........................................................................................IPC Inspection, Maintenance and Repair Record ................................................. IMRR/IMRR (REP) Maintenance and Repair Instructions..................................................................................... MRI Fault Tracing and Rectification ...............................................................................................FTR Safety Guidelines...................................................................................................................GSG Selection of Recommended Lubricants..................................................................................SRL Winch Lubrication Chart – 08-02 .......................................................................................... WLC

DRAWING SECTION

Automatic Release Hook - ARH 23 .................................................................................. N94100 Arrangement Winch ......................................................................................................... N83120 Instruction poster .............................................................................................................. N73742 Arrangement Plan & Deck Foundation ............................................................................ N65466 Mounting Drawing Slewing Gear ...................................................................................... N65434

SRR-360-3,65-21-IDX Schat-Harding 06.04.05

S R R D A V I T

- PARTICULARS -

DESTINATION

DAVIT AND WINCH DATA

Davit Type ....................................................................................... SRR /360/3,5/21 Winch Type ............................................................................. 08-02 ...................... "STOP" Safe Working Load

Liferaft Mode ................................................. 21.................................... kN

Safe Working Load - Winch.................................................... 25.................................... kN

WIRE ROPE FALL DATA

Construction / Type................................................................. Notor HP Minimum Breaking Load......................................................... 147.................................. kN Diameter.................................................................................. 12...................................mm Length ..................................................................................... 40..................................... m

LIFERAFT DATA

Manufacturer / Type................................................................ N/A

Total Weight (including Equipment and Personnel) ............... up to 1500....................... kg Maximum No - Lowering......................................................... 25............................persons

(TWENTY-FIVE)

Schat-Harding Reference -

T:\Manuals\Davit\Holland\SRR\SRR-360-3,65-21-LAP.DOC 06.04.05

02.05.01 Schat-Harding 1/3 - USH

INTRODUCTION TO UMOE SCHAT-HARDING AS

The company was founded in 1985 with the objective of developing the position of the old HARDING AS as the world's leading manufacturer of evacuation systems for shipping and offshore.

Umoe Schat-Harding AS with its subsidiary companies:

Umoe Schat-Harding BV - Holland Umoe Schat-Harding Ltd - U.K.

Umoe Schat-Harding GmbH - Germany Umoe Schat-Harding Inc. - USA - Canada Umoe Schat-Harding Pt. Ltd. - Singapore have a total of 370 employees, of which 50 are engineers, the company develops, manufactures and sells all types of survival craft.

Our range includes: - Rescue boat

- Partially enclosed survival craft

- Fully enclosed survival craft

- Combined cruise tenders/survival craft

- Free fall survival craft

- Winches for the entire range

- Davits for the entire range

Our two modern and well-equipped factories are located on Norway's West Coast between Bergen and Haugesund. The main office and the production of davits, winches and equipment for our free-fall steel offshore survival craft are in Rosendal, while the GRP survival crafts are manufactured at our factory at Ølve.

The name Harding has implied quality and innovation in safety and rescue equipment for years. Schat- Harding has developed a comprehensive and entirely new generation of survival crafts, winches and davits. Development is a continuous process and our products are continually updated based on the experience derived from thousands of deliveries to cruise ships, freighters, drilling rigs and production platforms around the world.

Norwegian creativity and quality are the hallmarks of our products. We hope that you are pleased with the equipment as well as with the manual.

Bergen

ROSENDAL / ØLVE

Haugesun d

Oslo

London

02.05.01 Schat-Harding 2/3 - USH

THE MANUAL

This manual has been prepared in accordance with applicable regulations. The plans and data have been examined for compliance with the following:

- SOLAS 74 as amended to date, Revised Chapter III as published by IMO as Resolution MSC.47(66) of 4 June 1996, Regulations 4, 34, 35 and 36.

- The International Life-Saving Appliance (LSA) Code referenced by Regulation III/34 above and as published by IMO as Resolution MSC.48(66) dated 4 June 1996.

- IMO Resolution A.689 (17), Testing of Life-Saving Appliances, Part 1 as amended by MSC/Circus. 596 and 615, IMO Resolution MSC.54(66) dated 30 May 1996, and furthers amendments including MSC/Circ.809.

The purpose of the manual is to ensure that the entire crew of the ship or installation becomes acquainted with the safety equipment, and that they know how to proceed in the event of an emergency so that the survival craft can be used correctly. In addition to the procedures for entering, lowering and manoeuvring, emphasis is placed on correct conduct on board the survival craft, assistance and use of the equipment.

The manual must not be copied, reproduced or otherwise employed without first obtaining written permission from Schat-Harding AS.

Schat-Harding AS does not assume any responsibility for damages resulting from the use of the manuals, and reserves the right to make changes in the manual without giving any form of notice.

Enquiries may be directed to our Service Department:

SCHAT-HARDING AS Telephone Int. +47 53 48 36 00 N-5470 ROSENDAL Fax Int. +47 53 48 37 10 NORWAY E-mail schat-harding@umoe.no

NOTE!

Due to the many different types in our range of products, some of the sketches may not correspond exactly to the system described in the manual. The principles and procedures are however correct.

02.05.01 Schat-Harding 3/3 - USH

UMOE SCHAT-HARDING SERVICE CENTERS

Address Contacts Phone Fax Norway Umoe Schat-Harding As 5470 Rosendal

Service Dpt. +47 53 48 36 00 +47 53 48 37 10

The Netherlands Umoe Schat-Harding BV (P.O. Box 9032) (3506 GA Utrecht) St. Laurensdreef 37 3565 AJ Utrecht

Service Dpt. +31 30 26 44 200 +31 30 26 44 299

United Kingdom Umoe Schat-Harding Ltd.

Mumby Road ,Gosport Hampshire PO12 1AE

Service Dpt. +44 2392 581331 +44 2392 582565

Singapore Umoe Schat-Harding (F.E.) Pte Ltd.

20 MacTaggart Road Khong Guan Industrial Building, # 08-02 Singapore 368079

Service Dpt. +65 383 1067 +65 383 1031

USA

Umoe Schat-Harding Inc.

912 Highway 90 East New Iberia Louisiana 70560

Service Dpt. +1 337 365 5451 +1 337 367 2816

Germany Umoe Schat-Harding GmbH (P.O. Box 602469) (22234 Hamburg) Jarrestrasse 42 - 22303 Hamburg

Service Dpt. +49 40 650 620 0 +49 40 650 620 20

30.04.01 Schat-Harding 1 / 2 - SRR-D

SRR (LIFERAFT) DAVIT

- DESCRIPTION -

The davit is designed to handle inflatable life rafts in compliance with current regulations.

The davit is capable of handling inflatable life rafts with a safe working load as specified on the "Particulars" page (code LAP).

The liferaft, loaded with up to its full complement of personnel and equipment, is lowered under gravity.

The "light" hook or unmanned raft is recovered to the embarkation level by manual cranking.

The davit normally comprises of a welded structure, incorporating the associated winch, slewing gear, wire rope fall, and appropriate release hook and ancillary equipment.

Before personnel are allowed to board the davit arm has to be slewed out into the launch position by manual cranking. The slewing gear is self-braking. Liferaft canister must be transferred into the outboard launching position before being inflated.

One person can actuate the launching mechanism, either from a position on deck adjacent to the winch or by use of a remote control gear from within the liferaft.

The lowering speed is well within the minimum and maximum parameters authorised by both the International Convention and National Administrations. The rate of descent is automatically governed in order not to exceed the maximum limit.

The ARH suspension hook, if supplied by Schat-Harding, automatically releases the liferaft when waterborne.

If the davit is to designed for the launch of multiple life rafts then an extra cranking “quick-return (QR)” facility is fitted to enable the "light" hook to be rapidly recovered.

Details and operation of the automatic release hook (ARH), if supplied by Schat-Harding, are contained on pages coded ARH.

All of the equipment is suitable for use in a marine environment.

OPERATION AND SAFETY PRECAUTIONS:

It is essential that the equipment be operated correctly at all times. To this end, the operators must be fully conversant and trained in all aspects of the davit system operation, especially those concerning safety.

MAINTENANCE

Instructions for the maintenance of the davit system, including all ancillary equipment, are incorporated in this manual.

To ensure the davit system provides a long and reliable service whilst remaining in a safe condition, it is essential that the maintenance instructions detailed in this manual are carried out at the recommended intervals. A record must be kept of the maintenance undertaken by completing the record charts provided. See pages coded IPC and IMRR.

30.04.01 Schat-Harding 2 / 2 - SRR-D

SAFETY DEVICES

The launching appliance incorporates statutory safety devices to ensure that:

a. The crank handle cannot rotate during the lowering phase. The mechanism prevents fitting of the crank handle so long as the hand brake is in the released condition. Conversely, operation of the hand brake is not possible when the hand crank is inserted.

b. On cessation of manual cranking operations, the handle does not kick back because an instantaneous, self-locking mechanism is fitted.

c. The liferaft cannot be prematurely released prior to becoming waterborn e.

SRR (LIFERAFT) DAVIT

- OPERATION -

GENERAL

The instructions of the liferaft manufacturer must be read in conjunction with this document.

The combined instructions will enable the officer in charge of emergency procedures to produce, if deemed necessary, the vessels own concise instructions that are familiar to operators.

The accompanying drawings reflect the actual situation onboard and therefore form an integral part of the manual. Consult drawings whenever precise details are required.

PREPARATION

As appropriate, slew davit arm into out-board position by manual cranking.

Retrieve release hook inboard with the aid of the tricing line (if fitted) or a boat hook.

Engage hook onto liferaft suspension link and lock actuating mechanism. Slip liferaft stowage link and wind in on winch hand crank to transfer canister into outboard launch position. Secure liferaft painter and bowsing lines inboard.

Secure bowsing lines of liferaft boarding flap to suitable cleats.

Inflate when clear of deck edge. Bowse-in when ready for embarkation.

Check liferaft is fully inflated to ensure that safe boarding and launching can proceed.

BOARDING

The person in charge of embarkation is to ensure personnel carefully board the liferaft, preferably with shoes off. Ensure personnel are sitting and liferaft is properly balanced.

Immediately before lowering away – ensure that all personnel are prepared for launching and then release raft bowsing lines.

LAUNCHING PROCEDURE

NOTE:

Liferaft must only be manned with up to the approved number of personnel.

To commence launch procedure the manual brake on the winch has to be lifted.

This operation is initiated either from a position on deck adjacent to the winch or, alternatively, by exerting a pressure on a remote control wire from within the liferaft.

WARNING:

When using remote control gear from within liferaft, always use the operating handle provided - never wind the wire around hand or wrist as a serious accident may result.

04.05.04 Schat-Harding 1 / 2 - SRR-O

04.05.04 Schat-Harding 2 / 2 - SRR-O

Remote control:

"STOP" type gives continuous brake control from within the liferaft all the way down to the water. Releasing the pressure on the remote control wire allows the manual brake to re-apply and stop the descent of the liferaft.

If Schat-Harding ARH hooks is supplied - just prior to reaching water, pull the actuating cord to set the hook to automatic release.

Once waterborne, liferaft is automatically released from the hook, clear the site.

In case the trip line is not activated before reaching water, or in the unlikely event the hook fails to operate automatically, utilise the manual release mechanism.

MULTIPLE LIFERAFT LAUNCHING

There is no need to alter davit arm position for subsequent launches.

Whilst one raft is being launched prepare the next one.

After recovery of the light hook onboard (see "Recovery" section below) engage hook on suspension link of subsequent liferaft(s) and repeat above procedure.

RECOVERY

The manual recovery gear enables the "light" hook or an unmanned raft to be recovered to embarkation level.

In the event of a Multi-launch Liferaft appliance being fitted, identified by an extra hand crank facility at the winch drum end, the "light" hook can be rapidly recovered. This method is substantially faster than using the standard recovery mode.

The hook is can be retrieved inboard by using a tricing line (if fitted) or boat hook.

Ensure that the davit is left in a state of operational readiness at all times.

30.04.01 Schat-Harding 1 / 4 - ARH

LIFERAFT

AUTOMATIC RELEASE HOOK (A R H)

GENERAL

This Schat-Harding release hook meets official Maritime Authorities' requirements for hooks to be used with davit launched inflatable life rafts or similar type craft.

The release hook is adequately dimensioned to support up to 25-person life rafts with a maximum davit load not exceeding 2220 kg.

Fitted to the running end of the raft fall and set for automatic release, the hook is capable of performing the following modes of release operations:

Automatic release of the waterborne raft by the incorporated mechanism, which is immediate and complete, premature or accidental, releases being prevented ;

Manual release of the waterborne raft should e g due to a towing strain a significant load on the hook be maintained, or in the unlikely event of the automatic system failure.

CAUTION

Dimensions of suspension shackle or ring to be within limits as stated on page 3.

TECHNICAL DESCRIPTION

Please see the accompanying illustration for the hook parts nomenclature and item numbers.

Apart from spacer pinned side plates and small ancillary gear, the release hook comprises the essential hook proper along with the automatic and manual release mechanisms.

The automatic release mechanism employs an actuating mechanism controlled accumulator of mechanical energy, so designed that - with the actuating lever in the cocked position - the incorporated compression spring makes the hook snap open as soon as its load decreases below a pre-determined limit.

The same actuating lever serves a dual purpose of providing - along with an instruction plate - for a clear indicator of the mechanism locked (safe) or set (cocked) positions; an intermediate position is not possible.

The actuating mechanism operating hand grip, suspended by a flexible stainless steel cord from the lever end, is conspicuously marked in signal red colour to contrast with the surroundings.

The same handgrip, inserted in its inverted position by the free end fitted pin into a hole at the load-relieved hook corner (see illustration). Makes part of a simple yet efficient manual release mechanism; the pin of the multiple purpose grip may as well be used for the removal of possible snow or ice formations.

A maximum of ease of maintenance has been achieved by a careful choice of marine environment resisting non-corrodible materials. All functional or load-bearing parts are made from easy to maintain polished stainless steel with the exception of the spring container and the associated roller pin made from quality bronze and the compression spring.

30.04.01 Schat-Harding 2 / 4 - ARH

PARTICULARS

ITEM

Maximum working load (force) Static proof load .. (2.5 * MWL)

Dimensions (lanyard omitted) Total weight (approximately)

A R mode : ....... hook load limit A R mode : ...... actuating force

IMPERIAL OR U S

5 067 ........................ lbs.

12 667 ...................... lbs.

1157/64" x 637/64" x 25/64"

12.12 ........................ lbs.

44.5 .......................... lbs.

23.6 .......................... lbs.

METRIC UNITS

23.00 .................... kN

57.50 .................... kN

302 x 167 x 53 ... mm

5.5 ......................... kg

0.198 .................... kN

0.105 .................... kN

OPERATION

Please see the accompanying illustration for the hook installation details.

A one-person handling requirement has been met with all of the modes involved with the hook operation.

To open the hook, actuate the lever to transfer it from the locked into the cocked position;

subsequently, the hook can be pulled open by hand.

To engage the hook on the (raft) suspension link, lead the open hook on to the link and close it by applying a hand push to the hook back; lock the release mechanism by subsequently transferring the lever into the up (safe lock) position.

It should be noted that both the automatically and the manual modes of hook release operation have to be preceded by setting the release mechanism i e by exerting a sharp pull at the cord hand grip until the actuating lever snaps from the locked into the cocked position.

The manual release; 1) Insert handgrip in hook corner hole

2) Pull backwards (see picture on page E 4 / 4 ARH)

MAINTENANCE

To keep the release hook operational, lubricate all pivots as necessary.

Every three to six months check and as necessary ensure that:

- There is no build-up of salt, dirt, or any other contaminant ;

- A clean, good working condition of all components is maintained;

- All mechanisms move freely;

- No paint has been applied.

An open hook construction provides for an eased access to main hook components without any need for disassembly.

It is advisable to keep the release hook covered when not in use.

Should the release hook fail to function properly or appear damaged, it should be returned to the nearest Schat-Harding office or agent.

At least every two years, it is advisable to have each hook specimen subjected to a full overhaul including functional and load tests.

30.04.01 Schat-Harding 3 / 4 - ARH

LIFERAFT

AUTOMATIC RELEASE HOOK (A R H)

HOOK INSTALLATION DETAILS

Disassemble as follows:

- Top lock nut ............................... (07);

- Top nut ...................................... (06);

- Top bolt ..................................... (05);

- Suspension bush ....................... (09).

Place bush (09) into spliced eye of cor-responding raft fall, re-insert bush to op-pose plate openings, and re-fit the components in reverse sequence of operations

Re-tighten screw (07) to lock nut (06).

LIST OF HOOK PARTS

ITEM COMPONENT Qty.

01 - Hook 02 - Side Plate 03 - Side Plate 04 - Spacer Pin 05 - Bolt 06 - Round Nut 07 - M 5 Lock Screw 08 - Indicator Plate 09 - Suspension Bush 10 - Release Mechanism 11 - Press Lock Connector 12 - Actuating Cord Grip

30.04.01 Schat-Harding 4 / 4 - ARH

AUTOMATIC RELEASE HOOK (A R H)

RELEASE OF LIFERAFT FROM LAUNCHING APPLIANCE

N B:

REMEMBER THAT IN BOTH AUTOMATIC AND MANUAL RELEASE MODES THE

ACTUATING LEVER HAS TO BE COCKED IN THE AUTOMATIC RELEASE POSITION

JUST BEFORE LIFERAFT ENTERS THE WATER

30.04.01 Schat-Harding 1 / 6 - MEB

MANUAL BRAKE GEAR

ECCENTRIC MECHANISM CONTROLLED

GENERAL

Primarily developed for use with manually operated winches such as those of life-raft davits, below brake gear can likewise make part of adequately sized powered winches employing incorporated electric induction motors or even (auxiliary) portable motor units.

To comply with the statutory requirements as imposed on winches associated with life-saving launch and recovery appliances, the brake gear allows for permissible loads to be lowered under the influence of gravity alone, their descent voluntarily stopped, and / or the load to be safely held.

The rate of lowering speed is situated well within the International Convention adopted minimum and the National Administration established maximum speed limits; the rate of speed is automatically governed in order not to exceed the maximum limit.

To that purpose, the fully automatically governor brake gear employs a pair of lined brake shoes, pivotable on a carrier disc keyed on to the brake carrier shaft and drawn to each other by traction springs. Commencing with a certain rotational speed of the carrier shaft.

The spring effort is overcome by the corresponding resultant of the centrifugal force exerted on the shoes. So that the brake shoe linings are forced to engage with the inner face of the enveloping brake drum, the radial force and hence the brake torque being directly proportional to the speed of rotation and so to the rate of lowering speed.

Weighted, leading or trailing pattern of the brake shoes along with one of a number of amply sized springs are selected to suit the parameters given.

The manual brake gear employs a most reliable. Weighted control handle actuated, eccentric mechanism controlled, single brake shoe to develop the necessary braking power as a result of effort exerted via the brake shoe lining on the associated brake wheel, with this type of winches doubling as the governor brake carrier. The brake re-applies automatically on discontinuing the (Dead Man type) handle actuation i.e., on re-setting the handle down on to its rest support (on releasing it).

The manual recovery gear is back-kick proof as a result of an instantaneous self-locking action of the eccentric brake control mechanism. Free manual cranking operation is enabled by virtue of the same mechanism capacity of allowing for the brake shaft to over-run (idle) in the hoisting direction of rotation with the manual brake applied. As a result of frictional effort experienced between the brake wheel and the shoe lining at the beginning of this procedure. The brake shoe slightly turns on the eccentric and thus lifts off the brake wheel, self-releasing the brake without any external assistance needed as long as the cranking operation is maintained. On discontinuing the operation, the manual brake automatically, instantly, and fully re-applies as above.

The brake carrier shaft doubles as an extension of the winch gear train required to provide for the manual recovery gear; the corresponding spindle extension is to that purpose squared to accommodate the hand crank. As a result of a lock pin along with an ample configuration or shape of the spindle entry shielding mechanical safety device. The hand crank cannot be inserted in situ as long as the manual brake handle extremity is lifted;

accordingly, it is ensured that moving parts of the winch during the launching procedure cannot rotate the crank handle of the manual recovery gear.

The above safety device doubles as a cam to actuate an electrical inter-lock safety device of possible powered winches to prevent forced crank handle rotation during powered recovery.

30.04.01 Schat-Harding 2 / 6 - MEB

FUNCTIONAL DESCRIPTION OF THE MANUAL BRAKE GEAR

The below perspective cut-away view displays the associated brake gear parts; right-handed configuration of the brake controls is shown the left handed one is symmetrical.

The MBG manual brake gear employs the MEM eccentric mechanism controlled MBS lined single brake shoe, brought into contact with the MBW brake wheel doubling as the GBC governor brake gear carrier.

The BCH brake control handle is splined on to the MEM eccentric control mechanism enclosing the BGS brake shaft in a way so as to allow for the a free rotation of the latter.

An ample fit is provided to allow for the MBS brake shoe to pivot on the bronze MEM mechanism.

In the brake applied condition, the MBL brake shoe lining is pressed into contact with the MBW brake wheel, itself reliably keyed on to the BGS brake gear carrier shaft; momentum of the BCH brake control handle extremity fitted counter-weight provides for the necessary braking power.

The MBS brake shoe is at its outer extremity provided with an amply sized groove engaging with the flattened round MLS lock stud welded into the MBE manual brake enclosure so as to project into its interior; the enclosure doubles as the GBD governor brake drum.

The corresponding BGS shaft end is pinion machined to engage with the winch gear train to the purpose of transmission of the brake power on to the winch drum.

With the winch drum adequately loaded, the brake shaft and the brake wheel tend to rotate so as to descend the load. The rotation is however limited just to a slight turn as a result of the above groove of the MBS brake shoe coming to butt against the protruding MLS stud, the brake shoe following the brake wheel due to the frictional force involved.

BGS BGE BGL BHB BHS BCH

MBW

MBG

MEM

MBL

MBRMSDMBSMLSGBDGBR

GBL

GBS

GBC

GBG

30.04.01 Schat-Harding 3 / 6 - MEB

As soon as the butting contact has been established, momentum of the weighted BCH handle will restore the initial condition of the MBS brake shoe being pressed by the eccentric mechanism against the MBW brake wheel with the brake re-applied as a result.

If the momentum of the weighted BCH brake handle exceeds that of the winch drum load, the BCH handle will come down to rest on the BHS support in which position an equilibrium of the two moments, the braking torque being defined by the load torque, will result.

If however the opposite will happen, so the BCH brake will lift off the support. The amount of displacement being conditioned by the free space between the MLS stud and the (opposite as regards the above) corresponding groove edge; in this position both moments will equalise, the braking torque being now defined by the weighted handle torque. N B : It is essential for proper brake working that in this event the brake handle lifts off the support;

this condition must be periodically checked as put in the BRAKE ADJUSTMENT section.

No adequate braking power would be obtained in the negative.

LOWERING BY GRAVITY

To the purpose of load descent, the winch manual brake has to be released by maintaining the control handle actuated position. As a result of the load applied, the winch drum is bound to revolve in the lowering direction, the rate of speed being automatically governed in order not to exceed the permissible maximum limit.

Brake release is achieved via actuation of the BCH control handle by raising the weighted extremity: as soon as the contact pressure between the brake shoe lining and the brake wheel is sufficiently relieved, the winch barrel (or: drum) applied load makes the latter. The winch gear train and the brake gear revolve and hence the load descend. On discontinuing the brake controls actuation the brake immediately and fully re-applies.

MANUAL RECOVERY

To the purpose of transmission on to the winch drum of the braking power needed, the BGS brake shaft accommodating both the MBG manual and the GBG governor brake gears is provided with a pinion engaging with the winch gear train.

The other end of the BGS spindle, extended to the exterior of the BGL brake enclosure lid, is amply squared to accept a hand crank enabling its dual purpose of doubling as an efficient manual recovery gear. The same spindle extension serves the purpose of a possible (auxiliary) portable motor drive.

To hoist loads, the MRC hand crank has to be inserted on to the above squared spindle extension by lifting the mechanical safety device - see below; an arrow marks the cranking direction.

By virtue of the design of the eccentric brake control mechanism, no simultaneous brake release is necessitated during the recovery procedure, and full braking power automatically and immediately re-applies to safely hold the load as soon as the recovery operation is discontinued. The same mechanism renders the manual cranking operation back-kick proofed.

For safety reasons, the squared spindle entry is shielded by a mechanical safety device preventing insertion of the hand crank on to the spindle and thus possible manual cranking operation to be carried out as long as the brake is being released; on the other hand. The brake cannot be released as long as the hand crank is inserted. As a result of this, the winch moving parts during the procedure of load descent cannot rotate the crank handle.

30.04.01 Schat-Harding 4 / 6 - MEB

In the course of the recovery procedure, the governor brake gear is inactive as a result of the BGS carrier rate of rotational speed remaining situated below the limit at which the governor brake commences to work.

POWERED RECOVERY

In the event of the powered mode of load recovery used, the same safety device serves the purpose of an electrical inter-lock safety device to prevent the crank handle from being rotated by moving winch parts during the recovery procedure. In the hypothetical event of accidentally attempting to release the brake or even to insert the hand crank. The amply configured (mechanical) safety device plate is forced to shift upwards and so to turn the (electrical) safety device actuator as a result of which the motor control and the power circuits are disconnected

[For obvious reasons, correct adjustment of the electrical safety device has to be ensured by periodical checks covering both the electrical circuitry and properly tightened condition of the corresponding actuator (lever) set screw].

Similarly to the above, this mode of operation may be performed without having to simultaneously release the brake; in the course of this procedure, the eccentric control mechanism allows for a free wheeling rotation of the winch parts concerned.

To recover loads by electric power, all that is necessary is to keep the corresponding (UP, ON, I or green marked, on-load start) motor control button depressed as appropriate.

MODES OF OPERATION

Brake Application Brake Release [Brake control handle in [MSD device locked in position neutral rest position] preventing insertion of hand crank]

MSD BCH MSD BCH

BGL BHS BGL BHS

Manual Cranking Operation Powered / Manual Modes Inter-Lock [Insertion of manual recovery crank locks [Motor control and power circuits BCH handle in brake applied position [disconnected by electrical safety device]

MSD BCH MSD BCH

Electrical safety device

MRC hand crank

30.04.01 Schat-Harding 5 / 6 - MEB

MANUAL BRAKE GEAR - ADJUSTMENT

GENERAL

In the course of each braking procedure, the brake lining and the corresponding counter part are subjected to a wearing process so that after a number of braking procedures occurred, an adjustment to restore the initial reliable braking condition appears necessary.

FUNCTIONAL CHECKS

Reliable brake functioning can be checked in compliance with the following directions; to illustrate the procedure, the accompanying exploded view shows the corresponding brake parts.

First, try to turn the inserted hand crank reversibly as regards the arrow marking on the winch, i.e., as if to lower by cranking. This should not be possible but when applying a very heavy effort on to the crank handle.

Experiencing a slipping tendency instead would however indicate that the brake functional i.e., friction faces have become contaminated by lubricant in which event the brake parts concerned must be cleaned first.

With the davit arms assuming full stowage end position and the craft griped (or an equivalent arrangement), load the winch by applying an appropriate effort to the crank handle as arrow marked on the winch. Subsequently, remove the crank and return the MSD mechanical safety device actuator item A back in front of the squared spindle extension (as it initially was). If all is correct, the BCH brake control handle extremity should raise, clearing the BHS rest support item D by at least 3 millimetres, 16 mm being the maximum to be experienced.

As soon as this clearance value drops below 3 mm, the brake has to be re-adjusted as follows.

BRAKE ADJUSTMENT

Remove BHB bolt item B from the splined BHH brake handle hub item C ;

With the aid of an appropriate marking pencil or equivalent, mark the position of the above hub with respect to MEM eccentric item E;

Withdraw brake handle from eccentric ;

30.04.01 Schat-Harding 6 / 6 - MEB

Re-insert BCH brake handle on to MEM eccentric spline, turning it by one tooth further in a way so as to increase the clearance between the BCH handle and the BHS rest support;

sub-sequently, lock it by BHB bolt item B;

If as a result of several preceding adjustments made BHB bolt item B cannot any longer fit into the corresponding slot inside the MEM eccentric item E, so the brake lining has been worn down to such an extent that it has to be replaced.

REPLACEMENT OF THE BRAKE SHOE LINING

(Please notes the illustration below.)

At the occasion of replacing the MBL brake shoe lining, it is advisable to check the condition of the remaining brake gear parts as well.

MANUAL BRAKE SHOE Drawing No C-1887-L

1) Brake Shoe Material: Nodular 94 cast iron.

2) MBL Lining 28 x 4 x 145 Material: Steel ST-35.29.

3) Four 5 Dia MBR Rivets Material: Mu St 34

30.04.01 Schat-Harding 1 / 2 - HWR

HANDLING OF WIRE ROPES

Wire ropes should be handled with utmost care. Faulty handling may have very bad consequences, in that the life period may be considerably shortened. On arrival of a steel coil or reel, check for damage. Store in a dry atmosphere, at any rate on a dry surface; a wooden support will do. During prolonged storage a regular check for corrosion is recommended.

You will no doubt be aware how unpleasant it is - figuratively - when a rope is kinked. A definite purpose can suddenly not be realised and, not seldom, with far reaching consequences. In a literal sense a kinked rope may cost you a lot of money, but, what is far more important, you lose control over your safety. Therefore, be it for this reason alone, a wire rope should be handled with utmost care.

Never uncoil reels this way, which will invariably lead to kinks.

Reels with a bar put through the flange holes, resting on two supports, are ideal.

Wrong!

Wrong! Correct

30.04.01 Schat-Harding 2 / 2 - HWR

If no rotary table is available on which to place the coil, the coil is to be “unrolled”.

Another important condition is that during transport the coil or reel must not bump against sharp objects, such as loose stones, etc.; sand and mud are also evildoers. This is likewise important during unreeling.

If a rope is to be rewound from a reel to a drum, this should be done from the bottom of the reel to the bottom of the drum, or from the top of the reel to the top of the drum. This prevents reverse bending action of the strands, and minimises wear.

When a rope is cut off, the strands tend to twist back. To prevent this from happening, the rope should be seized immediately after being cut off. For this purpose use soft iron wire or a strand of some iron wires.

Fatigue, wear and/or corrosion may reduce the safety of a wire rope to below an acceptable minimum. For this reason a regular check is recommended. This will also prevent a rope from being replaced before it is necessary.

Wrong!

Correct

Wrong!

Correct

30.04.01 Schat-Harding 1 / 2 - ISW

WARNING AND APPLICATION INSTRUCTIONS

FOR SPLICING IN WITH WIRE ROPE CLIPS

W A R N I N G

• Failure to read, understand, and follow these instructions may cause death or serious injury.

• Read and understand these instructions before using clips.

• Match the same size clip to the same size wire rope.

• Prepare wire rope end termination only as instructed.

• Do not use with plastic coated wire rope.

• Apply first load to test the assembly. This load should be of equal or greater weight than loads expected in use. Next, check and retighten nuts.

The wire rope clip should be fitted to the wire rope as shown schematically in the figures.

2 x d

Figure 1. RIGHT

Turn back required amount of rope from thimble or loop. Apply first clip 2 x d(wire rope diameter) from dead end of rope. Apply U-Bolt over dead end of wire rope - live end rests in saddle. Tighten nuts evenly , alternate from one nut to the other.

Figure 2. WRONG

Never saddle a dead horse!

Figure 3. RIGHT

When two clips are required, apply the second clip as near the loop or thimble as possible.

Tighten nuts evenly. When more than two clips are required, apply the second clip as near the loop or thimble as possible, turn nuts on second clip firmly, but do not tighten.

d D

30.04.01 Schat-Harding 2 / 2 - ISW

Figure 4. RIGHT

When three or more clips are required, space additional clips equally between first two -take up rope slack - fully tighten nuts on each U-Bolt evenly, alternating from one nut to the other.

NOTE!

When using this type of wire rope clips, it’s impossible to mount them wrong.

WARNING. Never use clips in hoisting wires.

(For lashings only)

6 x d 6 x d

DIAMETER OF WIRE ROPE QUANTITY

OF CLIPS

UP TO AND INCLUDING ø 22 mm 3

OVER ø 22 mm , UP TO AND INCLUDING 32 4

30.04.01 Schat-Harding 1 / 2 - GBG

GOVERNOR BRAKE GEAR

GENERAL

In the course of the procedure of launching survival or rescue craft, the rate of lowering speed has to be situated within a range limited on the one side by the minimum rate of speed. As defined in the 1983 Amendments to the international Convention for the Safety of Life at Sea of 1974, London, and on the other side by the national Administration adopted maximum speed limit.

DESCRIPTION

To the above purpose, a governor brake gear is incorporated in the winch design, employing a single (or as the case be multiple) set of suitable material lined pair of pivotable brake shoes. Fitted to a rotational carrier disc and brought into contact with a stationary brake drum to develop the necessary brake torque.

In the great majority of application of the single-set governor brake gear, the brake shoes are fitted to the rear of the manual brake wheel (the brake disc - see description of the manual brake gear). An independent disc is on the other side used in the event of the multiple (dual or triple) shoe set employing brake gears. To satisfy a wide range of the speed rate required, (side) weighted brake shoe sets are used as necessary.

The GBS brake shoes, pivotable on the GSC brake shoe carrier, are attracted to each other by the GSS traction springs. Commencing with a certain speed of rotation of the BGS brake shaft - itself depending on the lowering speed of the load - the (corresponding resultant of the) spring effort exerted on the brake shoes is exceeded by the centrifugal force. The GBL brake linings are pressed into contact with the inner face of the GBD brake drum, bringing about an efficient braking effort in a positively progressive dependence on the lowering speed of rotation.

In the course of the load recovery procedure, the governor brake gear is not working. The reason being that the rotational speed of the BGS brake shaft never achieves the critical limit, necessary for the centrifugal force to surpass the corresponding spring effort resultant; as a result, the brake shoe linings stay away from the inner face of the brake drum.

GBS GSC GCP GS GSS GSC BGS

GSS BSK BGS GSR GSL GSB GBG

30.04.01 Schat-Harding 2 / 2 - GBG

GOVERNOR BRAKE GEAR MAINTENANCE

GENERAL

The brake shoe linings should be periodically checked for wear and, on reaching their maximum permissible thickness following from the accompanying illustration, they should be replaced in observation of the prescribed properties of both the linings and the rivets.

The period of time between two successive checks depending preponderously on the frequency and way of operation, ambient conditions and other factors, a generally acceptable value is difficult to be prescribed. As a rule, the linings should be checked for wear every 25 launching procedures or once a year, whichever comes first; an optimum interval will however be only found by own experience of trial and error.

At the occasion of the above visual inspection, condition of the other brake parts should be inspected as well and measures taken as appropriate.

GOVERNOR BRAKE SHOE ASSEMBLY ITEM

GBS - Governor Brake Shoe - - - 01 GTS - G Brake Traction Spring - - - 02 GBL - G Brake Shoe Lining - 60 x 30 x 8 (125 x 80 x 8) - Ferodo - 03 GBR - Governor Brake Rivet - B 5 x 15 MS - DIN 7338 - 04

NOTE:

- Bracketed () particulars apply to a heavier brake variant -

- Single shoe set shown - Double or double lined sets used as necessary -

- Four (eight) rivets per brake lining apply -

- Dimensions and properties of parts to be replaced should be strictly observed -

- Springs to be treated with corrosion inhibiting lubricant prior to each assembly -

30.04.01 Schat-Harding 1 / 2 - BRE

DIRECTIONS FOR USE OF BREVINI EPICYCLIC GEARS

STARTING UP

Be sure that the various plugs are in proper position: breather on the top; drain (magnet fitted, 'emptying') plug at the bottom; level gauge in the middle position for horizontal gears, and in the top position for vertically positioned units.

As a rule, the winch is supplied already filled with oil; please follow the text below for the gearbox maintenance.

LUBRICATION

Under normal conditions of operation, use of gear lube oils containing E P additives, displaying a viscosity index VI of at least 95, and having a viscosity grade VG, expressed ac-cording to I S O 3448 standard, in compliance with the accompanying SRL selection of recommended lubricants.

Under extreme conditions of operation e g in all cases when temperatures under minus 30 degrees Centigrade are likely to be experienced, please contact the manufacturer or a represent-active recognised by him.

It is advisable to check the oil level every week. If more than 10 % of the total oil capacity has to be topped up (added), check the gear enclosure for oil leakage.

Do not mix oils of different types even if of the same make; never mix mineral and synthetic oils.

The oil contents should be changed when hot in order to prevent build up of sludge deposits and the enclosure interior rinsed out - see NOTE.

The first oil change should be made after the running-in time - i e on reaching the first ap-proximately 50 (30 to 100) hours of operation.

Before filling up the gear case again, wash it out with mineral oil.

Further oil changes should be made every 250 working hours, and at least every 12 months. In the cases of heavy-duty cycles (high loads, shocks, high temperatures, humid environment), even shorter intervals should be kept between two successive changes;

contact then the manufacturer.

• General rules referred to the oil volume to be filled in -

• Gear units positioned with output shaft horizontally: fill to centre line of unit;

• Gear units positioned with output shaft vertically: fill up unit completely;

re-check oil level when the oil has reached working temperature.

• The oil level must be checked when the gear is not running.

30.04.01 Schat-Harding 2 / 2 - BRE

MAINTENANCE

Check periodically the fixation bolts are properly tightened and that the good alignment situation between gear and machine is kept.

Once a week look at the oil level: even if each unit is fitted with seals, there may be some leakage, quite dangerous for the life of the entire unit.

Also inspect the magnet plugs, and clean them thoroughly; should you note heavy metal particles deposit, contact the manufacturer.

If the machine is stopped for long time (up to 1 - 2 months), it is necessary to rotate it once each 1 - 2 weeks to dive into oil gears and bearings, protecting them from corrosion.

For longer periods of inactivity ( out of service), it is recommended to fill the gear case completely with oil.

NOTE:

Please contact your lubricant supplier for information on the flushing oil to be used to the purpose of rinsing out the gear enclosure interior.

The oil volume to be filled in is in each particular event stated on the accompanying winch drawing or the relevant lubrication chart.

If a bevel gear is incorporated to the epicyclic gear - the winch drawing refers - it is lubricated by the same lubricant; the bevel gear oil capacity then invariably amounts for 2 extra litres.

Finally, please note that very light oil is used in all cases of incorporated reverse rotation self-locking devices lubricated by the same oil bath as the gearing itself.

30.04.01 Schat-Harding 1 / 9 EVD

EXPLODED VIEW OF

EPICYCLIC GEARED RADIAL DAVIT WINCH

[ RIGHT HANDED WINCH SHOWN ]

POSITION OF FEET DEPENS ON THE WAY OF BOLTING THE WINCH TO THE DAVIT

PART J C-0009-R WIRE ROPE DRUM

101 106 107 108 102 103 104 109 110 105

PARTS

C - H

PART A

PART B

C-766-L

RECOVERY

GEAR

HAND CRANK

NON - STOP LAUNCHING

PAWL CONTROL MECHANISM - "LET GO" GEAR

No Off

Part Denomination

Dimension (Remark)

Standard No

Drawing No(Grade)

Item No

1 R.C. Bracket (& A-1509-01) D-0004-R- 02/03

2 R.C. Sheave A-1509-04 102 2 Bush A-1509-05 103 4 Bow…