(26) first. Press shafts in until they protrude
0.860 to 0.890 inch (21.84 to 22.61 mm)
above face of body.
(7) Place a new gasket (32) on pump body (38).
Assemble cover (25) to body. Press
together using pilot capscrew near each end
to pilot gasket.
(8) Secure cover to body with lockplates (17)
and screws (16, 20, and 21). Check drive
shaft for freeness.
(9) Lock screws in position with lockplate tangs.
d. Replacement. Proceed as follows:
(1) Remove suction tube and discharge tube
from oil pump and lift off pump.
(2) Position lubricating oil pump to block and
secure with dowel pins, lockplates, and
Make sure that lubricating oil pump gear
is fully engaged before final tightening
(3) Attach a dial indicator to block. Place
indicator on gear teeth.
(4) Rotate gear by hand to advance position;
"zero" indicator. Back gear to retard
position and note reading; permissible
backlash is 0.006 to 0.15 inch (0.15 to 0.38
mm). If not within limits gear train must be
discharge lines, connections, and clamp,
using new O-rings, gaskets, and lockplates.
Torque screws to 30 to 35 foot-pounds (41
to 47 joules). Secure lockplates. Suction
screen must have 1/2-inch (12.70 mm)
Section VI. FLYWHEEL AND HOUSING
RING GEAR, FLYWHEEL, AND HOUSING. To
inspect and replace the ring gear, flywheel, and housing,
refer to figure 13-35, and proceed as follows:
(1) Check for cracks or other flaws in flywheel,
ring gear, and housing.
(2) Check ring gear teeth for excessive wear
and damage from improper starter gear
(3) Replace any damaged or cracked parts.
(1) Refer to Chapter 2, Section IV and remove
the generator assembly to provide access to
the flywheel housing.
(2) Remove lockwires, ten screws (1) and
(3) Insert two 5/8-18, 7-inch (178 mm) long
studs through two capscrew holes in
flywheel 180 degrees apart and screw into
crankshaft flange to support flywheel during
(4) In two holes provided, place two 1/2-13, 2-
1/2 inch (63.5 mm) screws which are
threaded their entire length. Turn in screws
alternately to pull flywheel from crankshaft
dowels. Using a suitable hoist, lift flywheel
from guide studs.
INHERENT HAZARDS THAT CANNOT BE
MECHANICALLY SAFEGUARDED. HARD