TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM9-2815-202-34 4-39. OIL COOLER ASSEMBLY REPAIR This task covers: a. Cleaning prior to Disassembly b.Disassembly c. Cleaning/Inspection d. Assembly INITIAL SETUP MODELS EXPENDABLE/DURABLE SUPPLIES ■ All Cleaning solvent (App C, Item 10) Cleaning solution (App C, Item 9) Engine oil (App C, Item 16) TOOLS AND SPECIAL TOOLS General mechanics tool kit (App B, Item 96) Air nozzle plate kit (App D, Item 7) Universal puller (App B, Item 71) Bar tool (App D, Item 4) Spring tester (App B, Item 93) Torque wrench (App B, Item 101 Plate kit (App D, Item 6) MANDATORY REPLACEMENT PARTS 39 Lockwashers (App F, Item 93) 5 Gaskets (App F, Item 51) 1 Gasket (App F, Item 52) 1 Gasket (App F, Item 57) 4 Seals (App F, Item 149) 1 Gasket (App F, Item 64) 2 Preformed packings (App F, Item 107) EQUIPMENT CONDITION Para Description 3-6 Oil cooler removed a. Cleaning Prior to Disassembly NOTE Do not clean oil cooler if an engine or transmission failure caused metal particles (from worn or broken parts) to enter lubricating oil. Replace tube bundle. (1) Clean engine oil section of oil cooler as follows: (a) (b) (c) (d) (e) Remove two bolts (1) two Iockwashers (2), flange (3) and gasket (4) from oil cooler assembly (5). Remove two bolts (6) and two Iockwashers (2) securing flange (3), oil cooler bypass (7) assembly, and two gaskets (4) to oil cooler assembly (5). Remove metal tube (8), flange (3), and oil cooler bypass (7) assembly. Remove screw (9) securing retainer (1 O), spring (1 1), and valve (12) from oil cooler bypass (7). Install tube (8) with two flanges (3), three gaskets (4), and oil cooler bypass (7) to oil cooler assembly (5). Secure with four bolts (1 and 6) and four Iockwashers (2). 4-214 Change 1