TM 5-3810-306-34
9 INSTALL BEARING CARRIER (15).
13 INSTALL PORT END COVER (5).
NOTE
CAUTION
Tap bearing carrier tight with a soft
Avoid pinching gasket seal (11).
hammer.
a Align dowel pins (6) with holes in port end
cover (5). Tap port end cover lightly in
a Position bearing carrier (15) (with thrust
center between bearing bores to engage
plates) on gear housing so that roller
dowels, and to move parts together in final
bearings receive journal of drive gear (17).
seating.
Ensure drain port in bearing carrier is on
suction or inlet side. If removed, torque
b Thread four studs (3), washers (4) and
plug (16) to 140 in-lbs (16 Nm ).
nuts (2) into shaft end cover and a snug
up cross-corner.
10 INSERT CONNECTING SHAFT (14) INTO
SPINE OF DRIVE GEAR (17).
c Rotate the drive shaft with a six inch
wrench to insure there is no binding in the
11 INSTALL GEARS (13) AND SECOND SECTION
pump.
GEAR HOUSING (12) AND GASKETS (11).
d Torque diagonally opposed nuts to 200 ft-
a Insert drive and driven gears (13) of
lbs (266 Nm ).
section into proper bearings (8) and push
down tightly against thrust plate (10).
14 TEST HYDRAULIC PUMP AFTER REBUILD.
CAUTION
a Operate pump at least two minutes at zero
pressure and at a moderate speed of not
Avoid pinching gasket seal (11).
over 1500 rpm.
NOTE
NOTE
Oil gears to provide initial lubrication
If pump becomes hot to touch, it is
when pump is started.
binding and may seize. Disassemble
and ensure freedom from binding.
CAUTION
b Gradually increase pressure on pump,
Do not force parts together.
intermittently, until desired test pressure is
reached. This should take about five
b Line up dowel pins (6) with matching
minutes.
holes. When parts are parallel, squeeze
them together or gently tap alternately
c Inspect for leakage.
over dowels with a plastic hammer until
parts become parallel and move smoothly
15 INSTALL
THREE-SECTION
HYDRAULIC
together. Install dowel pins as stated in
PUMP. (REFER TO PAGE 13-10.)
step 8b.
END OF TASK
1 REPEAT STEPS 6 THROUGH
11
FOR
ADDITIONAL HOUSINGS.
13-22
