TM 9-6115-604-34NAVFAC P-8-633-348-14.OIL PUMP INSTALLATION. See Figure 8-4.NOTEThe shims (26) between the lubricating pump body (47) mountingpads and the cylinder block are used to obtain the specified gearbacklash.NOTETwo persons may be required to perform the following procedure.a.Position the lubricating oil pump by engaging the headless straight pins into the recesses in the cylinderblock Engage the lubricating pump drive gear (43) with the rear crankshaft gear. Make sure the pump drivegear is fully engaged with the crankshaft gear.NOTEThe exact end play is not important at this time.b.Install the lockplates (25) and capscrews (24). Tighten the capscrews finger tight, and check for gear endplay. If necessary, add shims (26) until gear backlash can just be felt.c.Tighten the capscrews (24) to 70 to 75 pound-feet (95 to 102 newton-meters).d.Use a dial indicator to check the lubricating pump drive gear (43) to crankshaft gear backlash. Add orsubtract shims (26) as necessary to achieve a backlash of 0.003 to 0.012 inch (0.08 to 0.30 mm).e.When the correct backlash is achieved, bend the tabs on the lockplates (25) to secure the capscrews (24).f.Lubricate the transfer tube seal (20) with dean engine lubricating oil, MIL-L-2104, or equivalent, and positionit on short-bend end of the transfer tube (23).CAUTIONIt is possible to install the oil transfer tube (23) in a reverseposition (wrong end to the lubricating pump). Whenever thishappens, the support bracket (6) for the oil suction tube (9) will notfit. Install the long end of the transfer tube to the pressure reliefhousing (30) connection on the lubricating oil pump.g.Place the oil connection (18) over the short-bend end of the transfer tube (23) and install the oil connectionwith the gasket (19), lockplates (15), and capscrews (14). Tighten the capscrews finger tight.h.Tighten the capscrews (14 and 21) to 30 to 35 pound-feet (41 to 47 newton-meters), and bend the lockplatetabs to secure the capscrews.i.Install the bracket damp (3), support bracket (13), and install the capscrews (11) and locknuts (12) finger-fight.j.Install the flange gasket (10), oil suction tube (9), and secure with capscrews (7) and lockplates (8). Fingertighten capscrews.k.Install the support bracket (6), bracket damp (3), and secure with capscrews (1), locknuts (2), capscrews (4),and lockplates (5). Tighten the capscrews finger tight.I.Torque all capscrews (1,4,7, and 11) to 30 to 35 pound-feet (41 to 47 newton-meters). Bend all lockplatetabs to secure the capscrews.m.Install the oil pan in accordance with paragraph 9-38.NOTEIf the engine has been pulled from the generator set for shopmaintenance, the following steps in this sequence are not required.NOTEAvoid dropping of oil pan access plate (3, Figure 8-3) into skid base.n.Install oil pan access plate (3, Figure 8-3) into skid base. Secure with hexagonal head capscrews (1) andlockwashers (2).8-12
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