TM 5-3810-306-34
NOTE
a. Insert splined end of drive shaft (17) into special
drive sleeve (Item 6, Appendix C). Lightly grease
Thrust plates (10) have a single relief
drive shaft and sleeve. Insert internal gear and
pocket and must be installed with
drive shaft with sleeve into shaft end cover (19)
this groove on high pressure (outlet)
with a twisting motion. Push down carefully until
side.
gear rests against thrust plate (10). Remove
steel sleeve. Insert driven gear.
6. REPLACE DAMAGED OR WORN THRUST
PLATES (10) AND INSTALL GREASED POCKET
8. INSTALL FIRST SECTION GEAR HOUSING (12)
SEALS (9).
AND GASKETS (11).
a. Cut two pocket seals (9) 0.219in. (5.556 mm)
a. Grease new gasket seals (11) and insert them
long from pocket seal strip. Grease seals (9)
into grooves in both sides of all gear housings
and insert them into middle slots in thrust plate
(12).
(10).
b. Examine all dowel pins (6). Before inserting a
b. With pocket seals down, place thrust plates (10)
pin, ensure hole is clean and free from burrs.
over bearings (8) in shaft end cover (19). Tap
Start pin into hole gently and straight, tapping
thrust plate with a soft hammer to about 0.031-
lightly with a soft hammer.
in. (0.794 mm) from machined surface.
CAUTION
c. Cut four pocket seals approximately 0.25-in.
(6.35 mm) long from pocket seal strip. Insert one
Avoid pinching gasket seal (11).
pocket seal into each slot in thrust plate. Push
each pocket seal all the way in so that they touch
NOTE
roller bearing (8). Tap thrust plate (10) down
firmly against machined surface with a soft
hammer.
Using a sharp razor blade, trim
Oil gears to provide initial lubrication
exposed end of pocket seal square and flush
when pump is started.
with thrust plate (13).
CAUTION
d. Secure shaft end cover (19) in a vise with
mounting face down.
Do not force parts together.
CAUTION
c. Line up dowels with matching holes. When parts
are parallel, squeeze them together or gently tap
Avoid damaging the double lip seal.
alternately over dowels with a plastic hammer
until parts become parallel and move smoothly
7. INSTALL SHAFTS (17).
together.
CAUTION
Ensure index marks are properly
aligned.
13-20
