Gypsy_Winch_Motor_Specs.docx

Procurement Specification - T-AO Gypsy Winch Motor Replacement

1. Abstract

1.1. This procurement is for new multi-speed motors for the T-AO 187 CLASS Gypsy Winch, which is to be used as a replacement for the now obsolete existing gypsy winch motors. The new motors shall meet the requirements all US Navy, ABS, USCG and IMO requirements specified. The contractor will provide all details of the units, including certifications, troubleshooting guide, electrical schematics and drawings, and material lists.

2. Salient Characteristics

2.1. Motor, Gypsy Winch, T-AO 187 Class

2.1.1. IMO/USCG Compliant

2.1.2. ABS SVR Compliant

2.1.3. IEC Compliant

2.1.4. Motor shall be in accordance with Military Detail Specification: Motors, 60 Hertz, Alternating Current, Integral Horsepower, Shipboard Use (MIL-DTL-17060).

2.1.5. Designed for a minimum life expectancy of fifteen (15) years with continuous operation, supportability, and maintenance.

2.1.6. Designed for full compatibility and operation with existing Gypsy Winch Control Configuration

2.1.7. Motor Characteristics

2.1.8.

2.1.7.1 Mounting – Drive end shall be NEMA Type D Flange. Brake end shall be NEMA Type C face mount. Motor shall be designed for horizontal operation.

2.1.7.2 Frame – Frame size shall be 286TDZ.

2.1.7.3 Service – Navy Service C.

2.1.7.4 Ambient Temperature – 50 Deg C Max.

2.1.7.5 Voltage – 440 Volts, 3 Phase, 60 Hertz.

2.1.7.6 Duty – 30 minute varying.

2.1.7.7 Enclosure – TENV (Totally Enclosed Non-Ventilated) “Watertight”, with lubricated face type shaft seal concentrated on noncorrodible materials without shaft rubbing elements.

2.1.7.8 Horsepower – 20/10 horsepower, locked rotor torque, locked rotor current, pull up torque, and breakdown torque shall be based upon nameplate horsepower.

2.1.7.9 RPM and Speed – Multi speed, reversible, 1800-900 RPM SYN., 1685-820 F.L.

2.1.7.10 Type of Rotor – Squirrel Cage.

2.1.7.11 Design – NEMA design “D”.

2.1.7.12 Type of Bearings – Single shield relubricable ball bearings.

2.1.7.13 Bearing Mounting – Fixed free method with bearing nuts on each bearing. Bearings shall be different size on each end of motor.

2.1.7.14 Class of Insulation – The insulation shall be Class “F” with Class “F” temperature rise.

2.1.7.15 Encapsulation – Not Required.

2.1.7.16 Each motor unit shall include lifting ring, electric brake, and shaft key. Key shall be square 0.50 X 3.00 long.

2.1.7.17 Degree of Balance – Standard.

2.1.7.18 Nonmagnetic – Not required.

2.1.7.19 Structureborne noise level – Not specified.

2.1.7.20 Type of Shock Test – None required. However, motor shall be designed to meet the requirements for Hi-Shock Grade B, in accordance with MIL-S-901. All casting shall be of nodular iron or steel construction with minimum elongation of 18% in 2 inches.

2.1.7.21 Preservation and Packing – Level shall be as specified by procuring activity.

2.1.8. Additional Requirements

2.1.8.1 Adequate thermal protection shall be provided by thermal switches (thermotectors) located in suspected hot spots of windings. Switches shall be capable of carrying at least 1 ampere at 115 VAC continuously. Each switch shall be closed when the motor/rotor winding temperature is below value specified in MIL-DTL-17060 for this type/class motor, and shall be open when the motor/rotor winding temperature is 20 Deg C higher than the value specified in MIL-DTL-17060.

2.1.8.2 Junction box shall be watertight. In addition, a watertight seal shall be provided between inside of junction box and inside of motor such that the watertight integrity of the motor shall be maintained after removal of the junction box cover.

2.1.8.2.1. Orientation – NEMA F-1

2.1.8.2.2. The junction box shall be mounted on the left side of the motor when viewed from the drive end. The junction box may not extend any closer than 5 inches to the motor mounting hole on the shaft end of the motor.

2.1.8.2.3. The junction box shall permit cable entrance from the bottom or either side.

2.1.8.3 A 115 Volt, 60 Hertz, space heater/heaters shall be installed to preclude condensation from forming on the inside of the motor. Space heater/heaters shall be sized to maintain a 5-10 Deg C temperature differential.

2.1.8.4 A suitable drain, Crouse Hinds type ECD 384, or equivalent, shall be provided in the lowest point of the enclosure.

2.1.8.5 Paint all exterior surfaces in accordance with Standard Painting Procedures for UNREP Equipment, NAVSEA Drawing Number 5210545, Rev G.

2.1.8.6 Motor power terminals shall be indelibly marked in accordance with stator wiring diagram as shown on the motor master drawing.

2.1.8.7 Motor junction box cover shall have an information plate attached. The plate shall be inscribed as follows: “WARNING – MULTIPLE POWER SOURCES”. The plate shall conform to MIL-DTL-15024 “Plates, Tags, and Bands for Identification of Equipment” Type D (cast) bronze.

2.1.8.8 End shields shall be secured with hex head bolts.

2.1.8.9 The motor manufacturer shall deliver the motor with 110 VAC electric brake installed. The electric motor shall provide direct attachment of the electric brake to the motor, adapters are not acceptable. Electric brake shall be of the type specified and shall be procured from the approved source listed below. A substitute item shall not be used without prior approval by the Navy. Approved source of supply:

PT COMPONENTS INC.

STEARNS DIVISION

120 NORTH BROADWAY

MILWAUKEE, WI 53202

Core Ident: 05805 Part Number: 1-087-682-11-JBA, 105 LB-FT, 110 VAC, 1-7/8 Diameter Shaft with ½ inch square key, Designated for High Shock Grade A, Type A, In accordance with MIL-S-901.

-Torque: 105 LB-FT -Voltage: 110 VAC -Duty: Continuous -Mounting: Motor Mounted – Horizontal -Enclosure: Watertight and shall be of nodular iron or steel with minimum elongation of 18% in 2 inches -Repair Parts: None -Preservation and Packaging: None -Provision for Internal Connection of Brake Wiring to Motor: Required

3. Government Furnished Information

3.1. Specification Control Drawing 6352242 (MOTOR, GYPSY WINCH, T-AO 187 CLASS) will be provided as an enclosure for dimensional requirements and specification.

3.2. NAVSEA Drawing 5154568 (CONTROLLER, 2 SPEED REVERSING, ELECTRIC WINCH)

3.3. TG813-AW-MMA-010 (MAINTENANCE MANUAL FOR GYPSY WINCH, ELECTRIC, PART NUMBER 2D3-1011)

3.4. NAVSEA Drawing 5210545, Rev G (STANDARD PAINTING PROCEDURES FOR UNREP EQUIPMENT)

4. Service Support Section Not Applicable

5. Technical Documentation

5.1 The Procurement Package shall provide the documentation required to support the operation and maintenance of the Gypsy Winch Motors for each installation. Documentation shall include at a minimum:

5.1.1. Motor operation, installation, and maintenance instructions including disassembly procedures and integration with existing gypsy winch controller,

5.1.2. Motor certification data

5.1.3. Motor master drawing (including In-rush Current, Full Load Amperage, and Locked Rotor Amperage data, and any other nameplate data)

5.1.4. The Contractor shall develop a Dock Test procedure to fully demonstrate mechanical and electrical functionality of the gypsy winch motor.

5.1.5. The Contractor shall provide a list of recommended spare parts and maintenance equipment. The spare parts list shall include both recommended shipboard spares and shore based spares for thirty (30) day, one (1) year, and five (5) year time periods. The list shall give a full description of each part with component manufacturer's part number, ordering data and include source for the part. Parts shall be priced individually.

6. Deliverables

6.1. All deliverables shall be submitted to the TPOC and the Contracting Officer. All deliverables shall be in English.

6.2. Deliverable Formats. The Contractor shall submit all deliverables as follows:

a) Four (4) full size hard copies, size “F” where applicable in accordance with MSC drawing format.

b) One (1) electronic copy in the native format and one in AutoCAD with all attributes, permissions and information. AutoCAD submission shall be in AutoCAD 2004 format.

c) One (1) electronic copy in Adobe PDF.

6.3. Deliverables: Procurement Package

6.3.1. List of New Equipment

6.3.2. Inspection/Test Plan Report (per MIL-DTL-17060, Appendix H)

6.3.3. Recommended Spare Parts List

6.3.4. Gypsy Winch Motor Procurement Package, to include:

Troubleshooting guide Electrical schematics and drawings Material Lists Motor Operation and Maintenance Instructions including Disassembly Procedures, Motor Certification Data, and the Motor Master Drawing.

7. Applicable Specifications

7.1. Shall meet all applicable ABS, USCG, SOLAS rules and regulations, and IEEE and MSC requirements.

7.2. Any specification conflicts shall be brought to the attention of MSC.

7.3. The new components procured and all the designs shall meet all of the following requirements.

7.3.1. United States Coast Guard (USCG) Regulations

7.3.2. American Bureau of Shipping (ABS) Steel Vessel Rules (SVR)

7.3.3. International Convention for the Safety of Life at Sea (SOLAS)

7.3.4. Institute of Electrical and Electronics Engineers (IEEE), Recommended Practice for Electrical Installations on Shipboard (IEEE 45)

7.3.5. NAVSEA, MIL-DTL-17060, Motors, 60 Hertz, Alternating Current, Integral Horsepower, Shipboard Use

7.3.6. NAVSEA, MIL-DTL-24784/4C, Associated Detail Specification Manual, Commercial off the Shelf (COTS) Equipment Manual Requirements

7.3.7. ABS Guidance Notes on the Development of Procedures and Technical Manuals

7.3.8. USCG, 46 CFR, Subchapter J, Electrical Engineering

7.3.9. MSC Drawing No. 803-7081122; MSC General Technical Requirements