TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM9-2815-202-34 4-31. OIL PRESSURE REGULATOR AND RELIEF VALVE REPLACEMENT ● This task covers: a. Removal b. Repair c. -Installation ● INITIAL SETUP MODELS ■ All TOOLS AND SPECIAL TOOLS General mechanics tool kit (App B, Item 96) Torque wrench (App B, Item 101) MANDATORY REPLACEMENT PARTS 1 Gasket (App F,ltem47) 2 Gaskets (App F,ltem 33) 6 LockWashers (App F, Item 93) EXPENDABLE/DURABLE SUPPLIES Engine oil (App C, Item 16) Fuel oii(App C,ltem 21) Crocus cloth (App C, Item 12) EQUIPMENT CONDITION Para Description 4-20 Oil pan removed ● a. Removal (1) Oilpressure regulator valve (a) Remove Wobolts (l), Wolockwashers (2), and Woflatwashers (3)secuting oil pressure regulator valve (4) to cylinder block (5). (b) TapreguIator valve body lightly toloosen it from gasket (6). Remove regulator and discard gasket. $?!-, ,—, (2) Oilpressure relief valve (a) Remove four bolts (7)and four Iockwashers (8) securing oil pressure relief valve (9) to cylinder block(5) and oil pump (lo). (b) Taprelief valve bodylightlyto Ioosenit from gaskets(ll and 12). Remove relief valve and discard gaskets. Change 1 4-121