Attachment 0027-ATPD 2232 Packaging.pdf

INCH-POUND

ATPD 2232

9 January 1998

SUPERSEDING

MIL-E-10062E

16 August 1982

PURCHASE DESCRIPTION

ENGINES: PREPARATION FOR

SHIPMENT AND STORAGE OF

This purchase description is approved for use by all Departments and Agencies of the Department of Defense.

1. SCOPE

1.1 Scope. This purchase description covers the general requirements for materials, methods, and procedures for the preservation, packaging, packing, and marking of internal combustion engines. It includes both spare engines, and engines installed in equipment except aircraft engines and engines installed in tactical and combat vehicles.

1.2 Classification. Preservation for the applicable level of protection shall be one of the following preparation types and methods as specified in table I (see 6.2 and 6.12):

Type I - Preparation of engines installed in equipment not to be packed in containers.

Type II - Preparation of engines installed in equipment to be packed in containers.

Type III - Preparation of marine engines installed in equipment, both packed and not packed in containers.

Type IV - Preparation of spare engines (other than marine).

Type V - Preparation of spare marine engines.

Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: U.S. Army Tank-automotive and Armaments Command, ATTN: AMSTA-TR-E/BLUE, Warren, MI 48397-5000, by using the Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document, or by letter.

AMSC N/A AREA PACK

DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.

Method 20 - Preservative coating (with grease-proof wrap as required) specified in MIL-STD-2073-1.

Submethod 53 - Water-vaporproof enclosure with desiccant (with preservative as required), floating bag, sealed as specified in MIL-STD-2073-1.

Submethod 55 - Water-vaporproof enclosure with desiccant (with preservative as required), rigid metal container sealed as specified in

MIL-STD-2073-1.

TABLE I. Preservation for the applicable level of protection.

Type Method

20 Submethod 53 Submethod 55 I

II

III

IV

V

X X X X X

X

X X

X

X X

2. APPLICABLE DOCUMENTS

2.1 General. The documents listed in this section are specified in sections 3 and 4 of this purchase description. This section does not include documents cited in other sections of this purchase description or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirement documents cited in sections 3 and 4 of this purchase description, whether or not they are listed.

2.2 Government documents.

2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications and Standards (DoDISS) and supplement thereto, cited in the solicitation (see 6.2).

SPECIFICATIONS

FEDERAL

A-A-883 - Pressure-Sensitive Adhesive, Masking.

A-A-1800 - Varnish, Oil and Spar.

A-A-52557 - Fuel Oil, Diesel, for Camps and Stations.

A-A-52624 - Antifreeze, Multi-Engine Type.

O-S-801 - Sulfuric Acid, Electrolyte, For Storage Batteries.

TT-P-664 - Primer Coating, Alkyd, Corrosion-Inhibiting, Lead and

Chromate Free, VOC-Compliant.

UU-T-81 - Tags, Shipping and Stock.

PPP-P-40 - Packaging and Packing of Hand Tools.

PPP-B-140 - Battery, Storage, Industrial, Automatic, Aircraft, and

Navy Portable: Preparation for Shipment and Storage of.

PPP-B-566 - Boxes, Folding, Paperboard.

PPP-B-601 - Boxes, Wood, Cleated Plywood.

PPP-B-621 - Box, Wood, Nailed and Lock Corner.

PPP-B-676 - Boxes, Setup.

DEPARTMENT OF DEFENSE

MIL-C-104 - Crate, Wood, Lumber and Plywood Sheathed, Nailed and Bolted.

MIL-B-121 - Barrier Material, Greaseproofed, Waterproofed, Flexible.

MIL-S-196 - Support Items, Accessories and Kits, Mechanical, Packaging of.

MIL-L-2104 - Lubricating Oil, Internal Combustion Engine Technical Service.

MIL-C-5501 - Caps and Plugs, Protective, Dust and Moisture Seal.

MIL-PRF-10924 - Grease, Automotive and Artillery.

MIL-C-11264 - Container: Shipping, Reusable for Tank Automotive

Engines, Transmissions, Differentials, Transfers, Final Drives, and Similar Assemblies.

MIL-C-11796 - Corrosion Preventive Compound, Petrolatium, Hot Application.

MIL-P-14105 - Paint, Heat-Resisting (for Steel Surfaces).

MIL-PRF-16173 - Corrosion Preventive Compound, Solvent Cutback, Cold-Application.

MIL-L-21260 - Lubricating Oil, Internal Combustion Engine, Preservative and Break-In.

MIL-T-22085 - Tape, Pressure-Sensitive Adhesive, Preservation and

Sealing.

MIL-I-23310 - Inhibitor, Corrosion, Volatile, Oil Type.

MIL-P-46002 - Preservative Oil, Contact and Volatile Corrosion-

Inhibiting.

STANDARDS

FEDERAL

FED-STD-101 - Packing Materials, Test Procedures for.

DEPARTMENT OF DEFENSE

MIL-STD-129 - Marking for Shipment and Storage.

MIL-STD-1186 - Cushioning, Anchoring, Bracing, Blocking, and

Waterproofing; with Appropriate Test Methods.

MIL-STD-2073-1 - Standard Practice for Military Packaging.

(Unless otherwise indicated, copies of the above specifications, standards, and handbooks are available from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.)

2.2.2 Other Government documents, drawings, and publications. The following other Government documents, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation.

DEPARTMENT OF LABOR

Occupational Safety and Health Act - Public Law 91-596.

(Application for copies should be addressed to the Superintendent of Documents, U.S. Government Printing Office, Washington, DC 20402.)

2.3 Non-Government publications. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of the documents which are DoD adopted are those listed in the issue of the DoDISS cited in the solicitation.

Unless otherwise specified, the issues of documents not listed in the DoDISS are the issues of the documents cited in the solicitation (see 6.2).

AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM)

ASTM D3951 - Standard Practice for Commercial Packaging (DoD Adopted).

ASTM D5118 - Standard Practice for Fabrication of Fiberboard Shipping Boxes (DoD Adopted).

ASTM D5486 - Standard Specification for Pressure-Sensitive Tape for Packaging, Box Closure, and Sealing (DoD Adopted).

(Application for copies of ASTM publications may be obtained from the American Society for Testing and Materials, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.)

2.4 Order of precedence. In the event of a conflict between the text of this purchase description and references cited herein, the text of this specification should takes precedence.

3. REQUIREMENTS

3.1 Materials. Materials shall be as specified herein and in referenced specifications, standards, and drawings. Material shall be free of defects which affect performance or serviceability of finished product. Materials not specified, shall be selected by supplier and shall be subject to all provisions of this specification (see 6.10).

3.1.1 Tags. Tags used for matchmarking, identification, information, and warning marking, specified herein, shall conform to type A of UU-T-81. Information applied on the tags shall be with waterproof ink, or the tags waterproofed using varnish conforming to A-A-1800.

3.1.2 Preservative lubricating oil. Preservative lubricating oil specified herein shall conform to MIL-L-21260.

3.1.3 Tape. Tape used for sealing of openings and securing of components and wraps as specified herein, shall conform to ASTM D5486, MIL-T-22085, or A-A-883, type and class as specified herein.

3.2 Methods and preservatives. Methods of preservation and packaging indicated by symbols and preservatives identified by “P numbers” in this specification, shall conform to the corresponding symbols and applicable specifications in MIL-STD-2073-1.

3.3 Cleaning and drying. Prior to the application of preservation compounds or paint to exterior surfaces of engines, surfaces shall be cleaned and dried by any suitable process or processes which are not injurious to the item.

3.4 Repainting. Painted surfaces of engines and accessories on which paint film has been damaged shall be cleaned and repainted using materials of the same type, quality, and color as originally used, or as required by the end item specification for the engine (see 6.4).

3.5 Disassembly. Disassembly shall be confined to the minimum necessary to safeguard parts vulnerable to damage that would otherwise increase cube if not removed. Disassembly shall also be confined to those parts that can be removed and reinstalled without special tools.

Removed bolts, nuts, screws, washers, keys, and other fasteners shall be reinstalled in mating parts and secured to prevent loss. When not practical to reinstall hardware, items shall be preserved as specified in MIL-STD-2073-1. Under no circumstances should the ducting be disassembled or alternations made to the engine, which would allow dust or dirt to enter the engine after the oil or fuel filters.

3.6 Matchmarking. The mating locations on engine parts and accessories removed shall be matchmarked when necessary to facilitate reassembly and shall be identified with tags attached to mating parts and locations.

3.7 Depreservation guides. When preparation of types IV and V engines is specified, two depreservation guides DD Form 1397 (see 6.5), shall be prepared. One guide shall be preserved method 33 marked “DEPRESERVATION GUIDE,” and the preserved guide secured to the engine. The other copy shall be placed in package of technical publications and package marked to indicate: “DEPRESERVATION GUIDE INSIDE.” When preparation of types I, II, and III engines is specified, the engine depreservation instructions shall be combined with depreservation instructions for the complete equipment in which the engine is installed. Unless otherwise specified (see 6.2), “DA Form 2258 (see 6.5) Depreservation Guide for Vehicles and Equipment” shall be used.

3.8 Preservative formula for preservation of combustion chambers and valves of engine.

The amount of preservative lubricating oil conforming to MIL-L-21260 and the amount of corrosion inhibiting oil conforming to MIL-P-46002 or MIL-I-23310 to be sprayed into each cylinder, can be determined as follows:

a. One-half ounce for each cylinder with a piston displacement of up to 25 cubic inches (in3) or 409.75 cubic centimeters (cm3).

b. One ounce for each cylinder with a piston displacement of between 25 and 50 in3 or 409.75 and 819.5 cm3.

c. One and one-half ounces for each cylinder with a piston displacement of between

50 and 75 in3 or 819.5 and 1229.25 cm3.

d. Two ounces for each cylinder with a piston displacement over 75 in3 or

1229.25 cm3.

(CAUTION: Precautions shall be taken to assure the amount of oil injected into combustion chambers and manifolds shall not result in hydrostatic lockup of engine. Prior to preserving additional engines, the first engine preserved shall be allowed to stand idle for 12 hours. The engine crank-shaft shall be rotated manually or by starting motor if manual rotation is not possible, to assure that amount of oil injected into combustion chambers and manifolds permits free rotation of engine.)

3.9 Liquid coolant systems. Liquid coolant systems shall be processed by one of the following procedures specified for applicable preparation, type, and method.

3.9.1 Preservative and drain procedure. At beginning of engine preservation, the coolant system shall be filled to proper level with compound conforming to grade 5 of MIL-PRF-16173.

For coolant systems thermostatically controlled, the engine shall be operated until temperature reached opens thermostats, assuring complete mixing and even distribution of compound to all areas of systems. On completion of engine preservation, coolant system shall be drained. Drain cocks shall be left open. A warning tag shall be prepared indicating: “COOLANT SYSTEM DRAINED - FLUSH WITH HOT WATER (180 degrees Fahrenheit (°F) or above) - CLOSE

DRAIN COCKS - FILL SYSTEM TO PROPER OPERATING LEVEL WITH COOLANT

PRIOR TO OPERATING THE ENGINE.” Tag shall be attached to neck of coolant fill tube.

3.9.1.1 Engine blocks and water jackets for preparation of types IV and V engines. If complete liquid coolant system is not furnished with engines, temporary coolant system used to operate engine during engine preservation shall be filled with clean water prior to beginning engine preservation. On completion of engine preservation, blocks and water jackets shall be completely drained of water. Drain cocks shall be closed. Engine blocks and water jackets shall be filled with compound conforming to grade 5 of MIL-PRF-16173 and completely drained.

Drain cocks shall be left open until preservative flow ceases. Drain cocks shall then be closed.

3.9.2 Water and antifreeze procedure. For engine preservation, coolant system shall be filled with premixed equal parts (by volume) of antifreeze (ethylene glycol) conforming to A-A-52624 and clean water. Engines with thermostatically controlled coolant systems shall be operated till temperature is reached which opens thermostats assuring complete mixing and even distribution of solution to all areas of systems. A warning tag shall be prepared indicating:

“COOLANT SYTEM CONTAINS WATER AND ANTIFREEZE IN EQUAL PARTS BY

VOLUME - DO NOT DRAIN - CHECK COOLANT LEVEL - IF COOLANT IS LOW, ADD

COOLANT OF SAME MIXTURE.” The tag shall be attached to neck of coolant fill tube.

3.10 First article.

3.10.1 First article (preproduction pack). Unless otherwise specified, contractor shall furnish a preproduction pack for examination and tests within time frame specified (see 6.2) to prove prior to starting production, preservation, and packing, that applied preservation, packing, and marking conform to requirements of this specification (see 6.3 and 6.6).

3.11 Preservation. Preservation shall be level A, B, or Commercial as specified (see 6.2).

3.11.1 Level A.

3.11.1.1 Type I preparation, method 20 (engines installed in equipment not packed in containers).

3.11.1.1.1 Crankcases.

a. The following procedure shall be used for crankcase preservation and marking of spark-ignition engines and compression-ignition engines operating at output level up to 150 pounds per square inch (psi), brake mean effective pressure (bmep). At beginning of engine preservation, engine crankcase and crankcases of mounted accessories having separate crankcase from engine, shall be filled to operating level with preservative lubricating oil conforming to grade 10, 30, or 50 as applicable in MIL-L-21260. On completion of engine preservation, preservative oil shall remain in crankcases. A tag shall be prepared for each crankcase indicating: “THIS

CRANKCASE IS FILLED TO OPERATING LEVEL WITH PRESERVATIVE

OIL GOOD FOR OPERATION UNTIL FIRST REQUIRED LUBRICANT

CHANGE - DO NOT DRAIN - CHECK OIL LEVEL - IF LOW, ELEVATE TO

OPERATING LEVEL WITH OPERATING OIL (MIL-L-2104, APPLICABLE

GRADE).” Tags shall be attached to the crankcase fill tube.

b. The following procedure shall be used for crankcase preservation and marking of compression-ignition engines operating at output level of 150 psi (bmep) and above. At beginning engine preservation, engine crankcase, and crankcases of any mounted accessories having a separate crankcase from engine, shall be filled to operating level with preservative lubricating oil conforming to grade 10, 30, or 50 as applicable in MIL-L-21260. On completion of engine preservation, preservative oil shall remain in crankcases. A red “Caution” tag shall be prepared for each crankcase indicating: “THIS CRANKCASE IS FILLED WITH PRESERVATIVE

OIL. DRAIN AND REFILL TO OPERATING LEVEL WITH OPERATING

OIL (MIL-L-2104, APPLICABLE GRADE) BEFORE START-UP.” The tag shall be attached to the crankcase fill tube(s).

c. When specified (see 6.2), upon completion of engine preservation, 6 ounces of oil conforming to grade 1 of MIL-P-46002, or inhibited oil conforming to grade 1 of MIL-I-23310, shall be atomize sprayed into crankcase. Flexible extension nozzle to reach upper crankcase shall be used. The nozzle shall not be submerged in crankcase oil.

3.11.1.1.2 Liquid coolant systems. Unless otherwise specified, liquid coolant systems shall be processed in accordance with 3.9.2. When specified (see 6.2), the coolant systems shall be processed in accordance with preservative and drain procedure specified in 3.9.1.

3.11.1.1.3 Spark-ignition engines (gasoline, including auxiliary engines).

3.11.1.1.3.1 Fuel systems, combustion chambers, and valves. Unless otherwise specified (see 3.11.1.1.4.2), processing shall be as follows: Air compressors shall be preserved during fuel system preservation as specified herein (see 3.11.1.1.9).

3.11.1.1.3.1.1 Fuel systems.

a. Engines with carburetors. A portable container with two compartments shall be positioned to provide gravity feed to engine. One compartment shall contain gasoline and the other compartment shall contain type P-10, grade 10 preservative oil. The engine fuel supply line shall be disconnected at convenient point. A flexible line from the portable container shall be connected to fuel supply line leading to the engine. The container selector valve shall be turned to gasoline position. The engine shall be started and operated at fast idle until running smoothly, then accelerated to 3/4 speed without load. The fuel supply selector valve shall be switched to preservative oil position. When oil reaches combustion chambers, (evidenced by loss of speed, misfiring, and excessive smoking), the ignition shall be turned off. After engine has stopped, the line from the portable container shall be disconnected from engine fuel supply line. The engine fuel supply line shall be reconnected. Fuel filters and sediment bowls shall be drained.

b. Engines with fuel injectors. Fuel systems shall be preserved as specified in 3.11.1.4.1(b) except that corrosion inhibiting oil conforming to grade 1 of MIL-I-23310 shall be used in lieu of type P-9 preservative oil.

3.11.1.1.3.1.2 Combustion chambers and valves. After completion of fuel system preservation, engine shall be allowed to cool to cylinder head temperature of maximum 100°F, measured at spark plug area of all cylinders. Cooling may be accelerated by induced air currents.

After engine has cooled, spark plugs shall be removed. Care shall be taken to avoid damage to threads, electrodes, and gaskets. While cranking engine, one-half predetermined amount (see 3.8) oil conforming to grade 30 of MIL-L-21260 preservative lubricating oil shall be atomize sprayed into each cylinder through each spark plug opening. The nozzle shall be inserted into combustion chamber and maximum air pressure for spraying shall not exceed 25 psi. Without cranking engine, the additional one-half of preservative lubricating oil specified herein, shall be atomize sprayed into each cylinder through each spark plug opening, after which crankshaft shall not be rotated. The spark plug threads shall be coated with lubricating oil specified herein. Spark plugs shall be reinstalled. A tag shall be prepared indicating: “ENGINE PRESERVED - DO NOT CRANK UNTIL ISSUED TO USER”. The tag shall be attached near engine “Start” control switch.

3.11.1.1.3.2 Other procedures for preservation of fuel systems, combustion chambers, and valves of spark-ignition engines. When specified (see 6.2), fuel systems, combustion chambers, and valves shall be processed as follows:

3.11.1.1.3.2.1 Fuel Systems.

a. Engines with carburetors. Fuel systems shall be preserved as specified in 3.11.1.1.4.1.1(a) except that corrosion inhibiting oil conforming to grade 1 of MIL-I-23310 shall be used in lieu of type P-10, grade 10 preservative oil.

b. Engines with fuel injectors. Fuel systems shall be preserved as specified in 3.11.1.1.4.1.1(b) except that corrosion inhibiting oil conforming to grade 1 of MIL-I-23310 shall be used in lieu of type P-10, grade 10 preservative oil.

3.11.1.1.3.2.2 Combustion chambers and valves. Combustion chambers and valves shall be preserved as specified in 3.11.1.4.1.2. Corrosion inhibited oil conforming to grade 1 of MIL-I-23310 shall be used to preserve the combustion chambers and valves in lieu of preservative lubricating oil specified therein, and the engine shall then be tagged as specified therein.

3.11.1.1.3.3 Valve mechanisms. Valve compartment cover plates shall be removed. All surfaces within the valve compartment including rocker arm mechanisms, valve stems, springs, guides, push rods, and the inside of cover plates shall be atomize sprayed with oil conforming to grade 30 of MIL-L-21260. Cover plates shall be reinstalled using new gaskets if original gaskets show evidence of damage.

3.11.1.1.4 Compression-ignition engines (diesel and multifuel).

3.11.1.1.4.1 Fuel systems, combustion chambers, and valves. Unless otherwise specified (see 3.11.1.1.4.3), fuel systems, combustion chambers, and valves shall be preserved in accordance with 3.11.1.1.4.1.1 through 3.11.1.1.4.2. Air compressors shall be preserved during fuel system preservation (see 3.11.1.1.9).

3.11.1.1.4.1.1 Fuel Systems (2 and 4 cycle).

a. Gasoline starting engines. A portable container with two compartments shall be positioned to provide gravity feed to the engine. One compartment shall contain gasoline and the other compartment shall contain type P-10, grade 10 preservative oil. Flexible line from the portable container shall be connected to engine fuel pump intake line. Engine fuel return line shall be disconnected at quick-disconnect coupling. A transparent plastic line shall be connected to disconnected engine fuel return line, and other end shall be inserted into a recovery container to collect returned fuel. Another portable container shall be provided and shall contain type

P-10, grade 10 preservative oil. Diesel or multifuel engine fuel supply line shall be disconnected at convenient point nearest fuel pump. The line from portable container shall be connected to fuel-to-engine line at point of disconnect. Controls shall be positioned for gasoline operation. The three-way valve on two compartment container shall be turned to the gasoline “ON” position. Engine shall be started and operated until running smoothly. Engine speed shall be increased to 3/4 speed and container selector valve turned to preservative oil “ON” position.

Engine shall be operated until it begins to misfire and the engine controls shall immediately be switched to diesel or multifuel operation. Engine shall be operated at operated at 1/2 speed till undiluted preservative oil is flowing into recovery container. Engine shall be increases to 3/4 speed approximately 15 seconds and engine then turned off. Portable container valves shall be turned to “OFF” position and lines disconnected from engine fuel intake lines. Engine fuel intake lines shall be reconnected. Temporary fuel return line shall be disconnected and permanent fuel return line reconnected. (The recovered fuel oil mixture shall not be used to preserve other fuel systems.)

b. Straight diesel and multifuel engines. Engine fuel intake line shall be disconnected at the most convenient accessible point near fuel supply tank. A line from portable container with two compartments shall be connected to fuel intake line leading to the engine. One compartment shall contain fuel conforming to A-A-52557 and the other compartment shall contain type P-10, grade 10 preservative oil. Injector fuel return line shall be disconnected at the disconnect coupling. A transparent line shall be connected to the injector fuel return coupling to allow drainage into a recovery container. The fuel valve of the portable container shall be turned to “ON” position. Engine shall be started and operated at fast idle until thoroughly warm. The engine shall be accelerated to 3/4 speed at which time fuel supply shall be switched to portable container containing type P-10, grade 10 preservative oil. Engine shall be operated at this speed until undiluted preservative oil is flowing into recovery container. Engine shall be stopped. Temporary fuel return line shall be disconnected and permanent fuel return line reconnected. Temporary fuel intake line shall be disconnected and permanent fuel intake line reconnected. (Recovered fuel oil mixture shall not be used to preserve other systems.)

c. Gasoline starting auxiliary (pony) engines. After attached diesel or multifuel engine has been preserved, gasoline engine shall be disengaged from diesel or multifuel engine. Gasoline engine fuel system, combustion chambers, and valves shall be preserved as specified for spark-ignition engines in 3.11.1.1.3 through 3.11.1.1.3.1.2, or when specified, in accordance with 3.11.1.1.3.2 through

3.11.1.1.3.2.2. Valve mechanisms shall be preserved as specified in 3.11.1.1.3.3.

3.11.1.1.4.1.2 Combustion chambers and valves. After engines have cooled to cylinder head temperature of 100°F or less, measured at injector nozzle flange area surfaces of each cylinder, combustion chambers and valves of compression-ignition engines shall be preserved as follows.

3.11.1.1.4.1.2.1 Four-cycle spark-ignition (gasoline) starting engines. The intake manifolds, exhaust manifolds, and rocker arm covers shall be removed. Engine controls shall be set for gasoline operation. Diesel or multifuel throttle shall be completely closed. Spark plug wires shall be disconnected. Each intake valve shall be manually depressed, and while each valve is held open, one-fourth predetermined amount (see 3.8) of oil conforming to grade 10 of MIL-L-21260 shall be atomize sprayed into each cylinder through intake ports. Nozzle tip shall be inserted into port. Maximum air pressure spraying shall not exceed 25 psi. Each exhaust valve shall be manually depressed, and while each valve is held open, one-fourth determined amount of type and grade of preservative lubricating oil specified herein, shall be atomize sprayed through each exhaust port into each cylinder. In addition to the determined amount, one-fourth ounce preservative lubricating oil specified herein shall atomize sprayed into each starting valve port.

With valves released, the engine crankshaft shall be rotated until all pistons have completed a full cycle. Preservative cycle shall be repeated and crankshaft shall not be rotated. Spark plugs shall be removed. Care shall be exercised to prevent damage to threads, electrodes and gaskets. Spark plug threads shall be coated with preservative lubricating oil specified herein. Spark plugs shall be reinstalled. Exhaust manifolds shall be reinstalled using new gaskets if original gaskets show evidence of damage. Rocker arm assembles, springs, guides, valve stems, push rods, and the inside of rocker arm covers shall be sprayed with preservative lubricating oil specified herein.

Rocker arm covers shall be reinstalled using new gaskets if original gaskets evidence damage. A tag shall be prepared indicating: “ENGINE PRESERVED - DO NOT CRANK UNTIL ISSUED TO USER.” The tag shall be attached near engine “Start” control.

3.11.1.1.4.1.2.2 Four-cycle, straight diesel or multifuel engines.

a. Engines with compression release start feature. Intake manifolds, exhaust manifolds, and rocker arm covers shall be removed. The fuel throttle shall be completely closed. Each intake valve shall be manually depressed and held open, one-fourth predetermined amount (see 3.8) of oil conforming to grade 10 MIL-L-21260, shall be atomize sprayed into each cylinder through each open intake port. The nozzle tip shall be inserted into open port. The maximum air pressure spraying shall not exceed 25 psi. Each exhaust valve shall be manually depressed, and while each valve is held open, one-fourth predetermined amount of preservative lubricating oil shall be atomize sprayed into each cylinder through each open exhaust port. Compression release shall be set in the “OFF” position.

With valves released, engine crankshaft shall be rotated with starting motor until all pistons have completed a full cycle. Preservative cycle shall then be repeated and crankshaft shall not be rotated. Exhaust manifolds and intake manifolds shall be reinstalled using new gaskets if original gaskets evidence damage. Rocker arm assembles, springs, guides, valve stems, push rods, and the insides of rocker arm covers shall be atomize sprayed with preservative lubricating oil specified herein.

Rocker arm covers shall be reinstalled using new gaskets if original gaskets evidence damage. A tag shall be prepared indicating: “ENGINE PRESERVED - DO NOT CRANK UNTIL ISSUED TO USER.” The tag shall be attached near

b. Engines without compression release start feature. The combustion chambers and valves shall be preserved as specified in (a) herein, except that, due to the tendency of the engine to fire and run on the preservative lubricating oil, the crankshaft shall be rocked with starting motor in lieu of continuous rotation. The engine shall be tagged as specified in (a) herein.

3.11.1.1.4.1.2.3 Two-cycle engines.

a. Engines with intake ports and exhaust valves. The fuel throttle shall be completely closed. Air box covers on the side of engine opposite blower shall be removed.

Exhaust manifolds and rocker arm covers shall be removed. Engine crankshaft shall be rotated with starting motor until the piston in cylinder to be sprayed is below the intake port. The spray nozzle shall be inserted into open port.

Maximum air pressure shall not exceed 25 psi. One-half determined amount (see 3.8) of oil conforming to grade 10 of MIL-L-21260, shall be sprayed into open port. The preservation cycle shall be performed on each cylinder until all cylinders have been atomize sprayed with preservative lubricating oil, after which the crankshaft shall not be rotated. With each exhaust valve manually depressed, the remaining one-half determined amount preservative lubricating oil shall be atomize sprayed through each open exhaust valve port. The interior of air box covers shall be coated with preservative lubricating oil specified herein. The air box covers shall be reinstalled using new gaskets if original gaskets evidence damage. Exhaust manifolds shall be reinstalled using new gaskets if original gaskets evidence damage. Rocker arm assemblies, springs, guides, valve stems, push rods, and the inside of rocker arm covers shall be atomize sprayed with preservative lubricating oil specified herein. The rocker arm covers shall be reinstalled using new gaskets if original gaskets evidence damage. A tag shall be prepared indicating: “ENGINE PRESERVED - DO NOT CRANK UNTIL ISSUED TO USER.” The tag shall be attached near engine “Start” control.

b. Engines without valves. The fuel throttle shall be completely closed. Exhaust manifolds shall be removed. Engine crankshaft shall be rotated until the piston in cylinder to be sprayed is below exhaust port. The spray nozzle shall be inserted into open exhaust port. Maximum air pressure shall not exceed 25 psi. One-half determined amount (see 3.8) of oil conforming to grade 10 of MIL-L-21260 shall be atomize sprayed through open exhaust port. Crankshaft shall be rotated until each cylinder has been sprayed through open exhaust port. The preservation cycle shall then be repeated and the crankshaft shall not be rotated. The exhaust manifolds shall be reinstalled using new gaskets, if the ones originally used evidence damage. A tag shall be prepared indicating: “ENGINE PRESERVED - DO NOT CRANK UNTIL ISSUED TO USER.” The tag shall be attached near

3.11.1.1.4.2 Alternate procedures for preservation of combustion chambers and valves of all compression-ignition engines. In lieu of the procedures specified in 3.11.1.1.4.1.2.1 through 3.11.1.1.4.1.2.3, alternate procedures may be used by the contractor to preserve combustion chambers and valves of all compression-ignition engines, provided complete coverage of the exhaust valves, intake valves, valve stems, and combustion chambers with oil conforming to grade 10 of MIL-L-21260 is obtained. The procedures proposed by contractor shall not cause excessive preservative lubricating oil to be left in combustion chambers and manifolds that could result in hydrostatic lockup of engine. The contractor shall furnish an engine for examination and test of his proposed procedure prior to production preservation (see 4.3.3). The proposed procedure shall be subject to prior approval of the contracting officer. Procedures previously approved by the Government may be used (see 6.7.)

3.11.1.1.4.3 Alternate procedures for preservation of fuel systems, combustion chambers, valves of compression-ignition engines, (diesel and multifuel), 2 cycle and 4 cycle. When specified (see 6.2), fuel systems, combustion chambers, and valves shall be preserved in accordance with 3.11.1.1.4.3.1 and 3.11.1.1.4.3.2.

3.11.1.1.4.3.1 Fuel systems. Compression-ignition engine fuel systems shall be preserved as specified in 3.11.1.1.4.1, except corrosion inhibited oil conforming to grade 1 of MIL-P-46002, or corrosion inhibiting oil conforming to grade 1 of MIL-I-23310, shall be used in lieu of type P-10, grade 10 preservative oil specified therein.

3.11.1.1.4.3.2 Combustion chambers and valves. Compression-ignition engine combustion chambers and valves shall be preserved as specified in 3.11.1.1.4.1, except corrosion inhibiting oil conforming to grade 1 of MIL-P-46002, or grade 1 of MIL-I-23310, shall be used in lieu of oil conforming to grade 10 of MIL-L-21260.

3.11.1.1.5 Air intake. Unless otherwise specified, the air cleaner shall be removed and one ounce of oil conforming to grade 30 of MIL-L-21260 shall be atomize sprayed into the air intake tube. When specified (see 6.2), the processing of air intake systems shall be in accordance with alternate method specified in 3.11.1.1.5.1 and 3.11.1.1.5.2.

3.11.1.1.5.1 Air intake systems with blowers. The air intake tube at outlet side of blower shall be disconnected and one ounce of oil conforming to grade 1 of MIL-P-46002, or grade 1 of MIL-I-23310, shall be atomize sprayed into the air intake tube toward engine. Air intake tube to air cleaner shall be reconnected.

3.11.1.1.5.2 Air intake system with either a supercharger or turbocharger. The air intake tube between the air cleaner and supercharger or turbocharger shall be disconnected at outlet side of air cleaner. The air tubes between the supercharger or turbocharger and intake manifold shall be disconnected. One ounce oil conforming to grade 1 of MIL-P-46002 or grade 1 of MIL-I-23310, shall be atomize sprayed into air tubes toward the supercharger or turbocharger, and additional one ounce of same type oil shall be atomize sprayed into supercharger or turbocharger at outlet side. In addition, two ounces of same oil shall be sprayed through the air tubes toward manifold or cylinders. Air intake tubes shall be reconnected.

3.11.1.1.6 Air cleaners.

3.11.1.1.6.1 Oil-bath type. Oil-bath type air cleaners shall be filled to operating level with oil conforming to grade 30 of MIL-L-21260. Unpainted, uncoated surfaces above the operating level shall be coated with preservative lubricating oil. When specified (see 6.2), interior surfaces of air cleaner above oil level shall be sprayed with one-half ounce oil conforming to grade 1 of MIL-P-46002 or grade 1 of MIL-I-23310.

3.11.1.1.6.2 Dry type. After engine preservation has been completed, if equipped with removable element, the element shall be removed and unpainted, uncoated interior metal surfaces of air cleaner shall be atomize sprayed with oil conforming to grade 30 of MIL-L-21260. Metallic elements shall be dipped in the same type preservative lubricating oil and allowed to drain. The element shall be reinstalled. Care shall be exercised to prevent preservative oil from contacting nonmetallic elements. When specified (see 6.2), unpainted, interior metal surfaces of air cleaner shall be atomize sprayed with oil conforming to grade 1 of MIL-P-46002 or grade 1 of

MIL-I-23310.

3.11.1.1.6.3 Sealing. After completion of air intake system preservation, air cleaners shall be sealed with tape conforming to type IV of ASTM D5486, or to type II of MIL-T-22085.

3.11.1.1.7 Exhaust systems. Unless otherwise specified (see 3.11.1.1.7.1), after completion of engine preservation, painted surfaces of exhaust pipes and stacks, exhaust manifolds, and mufflers on which paint has been damaged, shall be cleaned of rust and scale and the surfaces coated with paint originally used. (see 6.4). surfaces not originally painted and requiring the application of contact preservative in accordance with MIL-STD-2073-1, shall be cleaned of dirt, rust, and scale, and coated with heat resisting paint conforming to MIL-P-14105 or with type P-19 preservative. Interior surfaces of tail pipes and vertical exhaust stacks shall be atomize sprayed with oil conforming to grade 30 of MIL-L-21260. Vertical exhaust stacks shall be removed when a reduction in cube is required. Openings shall be sealed with plastic caps or plugs conforming to MIL-C-5501 or with tape conforming to type IV of ASTM D5486, or to type II of MiL-T-22085. Ends of vertical exhaust stacks (if not removed and equipped with rain caps) shall be sealed as specified herein. If equipped with rain caps, seal rain caps with tape specified herein.

3.11.1.1.7.1 Other procedures for preservation of exhaust systems. When specified (see 6.2), exhaust systems shall be preserved in accordance with 3.11.1.1.7.1.1 and 3.11.1.1.7.1.2 as applicable.

3.11.1.1.7.1.1 Exhaust systems on engines without a supercharger or turbocharger. One ounce of oil conforming to grade 1 of MIL-P-46002 or grade 1 of MIL-I-23310 for each 2 feet of length shall be sprayed into tail pipe or exhaust stacks directed toward engine. Openings into stacks (including rain caps) shall be sealed as specified in 3.11.1.1.7. Rain caps shall be secured to prevent opening as specified in 3.11.1.1.7.

3.11.1.1.7.1.2 Exhaust systems on engines with superchargers or turbochargers. Exhaust tubes between the supercharger or turbocharger and the exhaust manifold shall be disconnected and on ounce of oil conforming to grade 1 of MIL-P-46002, or grade 1 of MIL-I-23310, shall be atomize sprayed into the supercharger or turbocharger, and one ounce sprayed into the exhaust tubes toward the manifold. The tubes shall be reconnected and the remainder of the exhaust system shall be processed and sealed as specified in 3.11.1.1.7.

3.11.1.1.8 Uncoated fuel tanks. Fuel tanks not coated or otherwise treated to resist corrosion shall be preserved.

3.11.1.1.8.1 Tanks without baffles. Fuel tanks without baffles shall be completely drained of fuel. The interior of tanks shall be atomize sprayed with oil conforming to grade 30 of MIL-L-21260, using a flexible nozzle of sufficient length to assure coverage of all interior surfaces of tanks. Tanks shall be allowed to stand with drain plugs removed until preservative oil flow ceases. Drain plugs shall be coated with preservative lubricating oil and specified herein and reinstalled.

3.11.1.1.8.2 Tanks with baffles. Fuel tanks with baffles shall be completely drained of fuel. Tanks shall be filled with oil conforming to grade 30 of MIL-L-21260. Oil shall then be drained into recovery container. Tanks shall be allowed to stand with drain plugs removed till preservative oil flow ceases. Drain plugs shall be coated with preservative lubricating oil specified herein and reinstalled. (The recovered fuel-oil mixture may be used for preserving other fuel tanks. However, it shall be discarded when more than ten percent of resultant mixture is fuel (see 6.8).

3.11.1.1.8.3 Fuel cap vent holes. Fuel cap vent holes shall be sealed with tape conforming to type IV, class 1 of ASTM-D5486 or to type II of MIL-T-22085.

3.11.1.1.9 Air compressor. The air compressor shall be preserved during fuel system preservation (see 3.11.1.1.3.1 and 3.11.1.1.4.1). Compressor, if not lubricated from the engine, shall be filled to operating level with oil conforming to grade 10 of MIL-L-21260. Air cleaner shall be removed and air intake and outlet disconnected. While the fuel system is being preserved, preservative lubricating oil specified herein, shall be sprayed into the air intake until preservative appears at the outlet. The air intake and air outlet shall be reconnected.

3.11.1.1.10 Dry-type governors. Dry-type governor mechanisms such as weights, springs, pins, and linkage, and other parts and assemblies within the housing, shall be sprayed with oil conforming to grade 10 of MIL-L-21260. Linkages, pins, and other metallic devices not enclosed shall be coated with type P-11 preservative. If practical, coated surfaces shall be wrapped or covered with barrier material conforming to type I grade A class 2 of MIL-B-121;

and the wraps or covers secured with tape conforming to type IV, class 1 of ASTM-D5486.

3.11.1.1.11 Tachometer drive adapters. The tachometer drive adapters shall be removed.

Metal surfaces not normally lubricated by the engine lubricating systems shall be coated with type P-11 preservative and reinstalled.

3.11.1.1.12 Drive belts. Unless otherwise specified , tension of all drive belts shall be relieved. Unpainted surfaces of pulley grooves shall be coated with a thin film of primer conforming to TT-P-664. A tag shall be prepared indicating: “BELT TENSION RELIEVED - ADJUST PRIOR TO STARTING ENGINE.” The tag shall be attached to the accessory driven by belts.

3.11.1.1.13 Flywheel ring gear. When disassembly of clutch is specified (see 6.2), the flywheel ring gear shall be coated with a thin film of primer conforming to TT-P-664.

3.11.1.1.14 Clutch (disc-type) dry type. With cover plates removed and clutch engaged, all accessible metal interior components of clutch shall sprayed with primer conforming to TT-P-664. Cover plates shall be reinstalled. When specified (see 6.2), the clutch shall be disassembled sufficiently to permit the application of a continuous thin film of primer, specified herein, to friction surfaces of the pressure plate. After being sprayed, spring-loaded-type clutches shall be secured in disengaged position. Snap-over center and toggle-in-type clutches shall be completely disengaged. Cover plates shall be reinstalled.

3.11.1.1.15 Batteries and electrolyte. Batteries, cables, and carrier shall be cleaned and dried by any applicable process of MIL-STD-2073-1. Unless otherwise specified in the contract, battery cables shall be disconnected and secured to battery carrier or compartment with tape conforming to ASTM D5486. Batteries shall remain in the battery compartment and shall be secured in place. Battery terminals and contact plug end of cables shall be preserved with P-6 or P-11, wrapped with barrier material conforming to Grade C of MIL-B-121, and secured with tape conforming to any applicable type of ASTM D5486. The carrier shall be painted with acid resistant paint or coated with P-1 preservative. The filler openings of batteries shall be moisture sealed such that batteries cannot be activated without destroying the seals. Electrolyte shall be packaged in accordance with O-S-801. The packaged electrolyte shall then be stowed with Basic Issue Items (BII) and secured independently to permit separate removal. When specified (see 6.2), the batteries shall be packed in accordance with PPP-B-140 and secured to equipment as specified herein for electrolyte.

3.11.1.1.16 Starters and generators. When specified, disassemble and spray interior of starter and generators with electrical primer specified by the acquisitioning activity (see 6.2).

3.11.1.1.17 Engine openings. Upon completion of engine preservation, all openings into the engine (except air box drain tubes of 2-cycle engines) such as crankcase breathers, oil filler caps, valve cover breather holes, fuel cap vent holes, oil level dipstick tubes, and openings into accessories, shall be sealed with plastic caps or plugs conforming to MIL-C-5501 or with tape conforming to type IV of ASTM D5486 or type II of MIL-T-22085.

3.11.1.1.18 Warning tag. A red “Warning” tag shall be prepared indicating:

“DEPROCESS THIS ENGINE IN ACCORDANCE WITH INSTRUCTIONS CONTAINED

ON DA FORM 2258 OR DD FORM 1397 (ATTACHED TO THIS EQUIPMENT) - IN

ADDITION, THE AIR CLEANERS, FILL CAPS, EXHAUST STACKS, TAIL PIPES,

BREATHER TUBES, DIPSTICK TUBES, FUEL CAP VENT HOLES, BATTERY FILLER

OPENINGS, AND ACCESSORIES HAVE BEEN SEALED - REMOVE ALL SEALS PRIOR

TO CRANKING THE ENGINE.” The tag shall be securely attached near the engine “Start” controls.

3.11.1.1.19 Repair parts. Unless otherwise specified herein, preservative application criteria and applicable methods shall of MIL-STD-2073-1 shall be used to preserve and package repair parts. When specified (see 6.2), repair parts shall be preserved and packaged in accordance with level A requirement of MIL-S-196.

3.11.1.1.20 Maintenance tools. Maintenance tools shall be preserved in accordance with level A requirements of PPP-P-40.

3.11.1.1.21 Technical publications. Technical publications for the engine shall be preserved together with technical publications for the equipment in which the engine is installed in accordance with level A requirements of end item specifications for equipment.

3.11.1.1.22 Consolidated packaging. Consolidated packaging of disassembled components, repair parts, tools, and publications for the engines shall be with other components of the equipment, and shall be in accordance with level A requirements of end item specifications for equipment.

3.11.1.2 Type II preparation, method 20, (engines installed in equipment to be packed in containers. The engines shall be preserved in accordance with the applicable requirements of 3.1 through 3.11.1.1.18, and as follows:

a. When the weight of packed equipment will not exceed 1000 pounds, engine crankcase (including separate crankcases for accessories) shall be drained into a recovery container. (The preservative lubricating oil may be used for preserving other crankcases and lubricating systems, but shall be discarded when it shows evidence of contamination or discoloration.)

b. Unless otherwise specified, liquid coolant systems shall be processed by preservative and drain procedure specified in 3.9.1. When specified (see 6.2), coolant systems shall be processed in accordance with 3.9.2.

c. Oil-bath-type air cleaners shall be drained when weight of packed equipment in which the engine is installed, will not exceed 1000 pounds. (Reuse of the preservative lubricating oil shall be as specified in (a) herein.)

d. Preservation and consolidated packaging of repair parts, tools, publications, and disassembled components shall be as specified in 3.11.1.1.19 through 3.11.1.1.22.

3.11.1.3 Type II preparation, submethod 53 and submethod 55 (engines installed in equipment to be packed in containers). The general requirements of 3.1, 3.1.1, 3.1.2, 3.1.3, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8, and 3.10, as applicable, shall apply. Components of engines and engine accessories shall be preserved as follows:

a. The crankcases shall be preserved in accordance with 3.11.1.2(a). After completion of engine preservation, crankcases shall be drained into a recovery container when gross weight of equipment in which the engine is installed will not exceed 1000 pounds. (Reuse of the preservative lubricating oil shall be as specified in 3.11.1.2(a).)

b. Fuel systems shall be preserved as follows:

1. Spark ignition engines. In accordance with 3.11.1.1.3.1(a) or (b) as applicable.

2. Compression-ignition engines. In accordance with 3.11.1.1.4.1.1 (a), (b), or

(c) as applicable.

c. Combustion chambers and valves shall be preserved as follows:

1. Spark-ignition engines. In accordance with 3.11.1.1.3.1.2.

2. Compression-ignition engines. In accordance with 3.11.1.1.4.1.2 through

3.11.1.1.4.2 as applicable.

d. Valve compartment cover plates and air box access cover plates shall not be installed. The gaskets and covers shall be secured to the engine to provide maximum ventilation of engine through the valve compartment and air boxes.

e. When applicable (spark ignition engines and gasoline starting diesel and multifuel engines), one spark plug shall be removed from each cylinder. Threads of plugs shall be coated with oil conforming to grade 10 of MIL-L-21260. The plugs shall be individually wrapped with barrier material conforming to MIL-B-121, type I grade A class 2, and the wraps secured with tape conforming to A-A-883. The wrapped plugs shall be packaged together in a box conforming to grade 125 style RSC of ASTM D5118 domestic type, variety SW. The box shall be secured to engine under method 50 barrier, with tape conforming to A-A-883.

f. Unless otherwise specified, coolant systems shall be processed by preservative and drain procedure specified in 3.9.1. When specified (see 6.2), coolant systems shall be processed in accordance with 3.9.2.

g. Openings into engines, accessories, and dry charged batteries shall be left to provide for ventilation into interior surfaces.

h. An inspection window 4 inches by 8 inches shall be provided in barrier material in accordance with MIL-STD-2073-1 for those items preserved by method 53.

i. Preservation and consolidated packaging of repair parts, tools, publications, and disassembled components shall be as specified in 3.11.1.1.19 through 3.11.1.1.22.

3.11.1.4 Type III preparation, method 20 (marine engines installed in equipment not to be packed in containers, and marine engines installed in equipment packed in containers). Engines and engine accessories shall be preserved in accordance with applicable requirements of 3.1 through 3.11.1.1.18 as follows:

a. When engines are installed in equipment to be packed in containers, the requirements of 3.11.1.2(a) and (c ) shall be applicable.

b. Closed coolant systems of engines installed in…