TM 9-6115-604-34
NAVFAC P-8-633-34
8-14.
OIL PUMP INSTALLATION. See Figure 8-4.
NOTE
The shims (26) between the lubricating pump body (47) mounting
pads and the cylinder block are used to obtain the specified gear
backlash.
NOTE
Two 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 cylinder
block Engage the lubricating pump drive gear (43) with the rear crankshaft gear. Make sure the pump drive
gear is fully engaged with the crankshaft gear.
NOTE
The 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 end
play. 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 or
subtract 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 position
it on short-bend end of the transfer tube (23).
CAUTION
It is possible to install the oil transfer tube (23) in a reverse
position (wrong end to the lubricating pump). Whenever this
happens, the support bracket (6) for the oil suction tube (9) will not
fit. Install the long end of the transfer tube to the pressure relief
housing (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 connection
with 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 lockplate
tabs 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). Finger
tighten 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 lockplate
tabs to secure the capscrews.
m.
Install the oil pan in accordance with paragraph 9-38.
NOTE
If the engine has been pulled from the generator set for shop
maintenance, the following steps in this sequence are not required.
NOTE
Avoid 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) and
lockwashers (2).
8-12
