TM 5-3810-306-34
7. INSTALL SHAFTS (21).
5. INSTALL BEARINGS (11) AS APPLICABLE.
a. Insert splined end of drive shaft (21) into
a. Replace any bearings that have been
special drive sleeve (Item 5, Appendix C).
removed from shaft end cover (23), port
Lightly grease drive shaft and sleeve.
end cover (9), or bearing carrier (18).
Insert internal gear and drive shaft with
Install bearings with an arbor press.
sleeve into shaft end cover (23) with a
twisting motion. Push down carefully until
6. REPLACE DAMAGED OR WORN THRUST
gear rests against thrust plate (13).
PLATES (13) AND INSTALL GREASED
Remove steel sleeve. Insert driven gear.
POCKET SEALS (12).
8. INSTALL FIRST SECTION GEAR HOUSING
a. Cut two pocket seals (12) 0.219in. (5.556
(20) AND GASKETS (14).
mm) long from pocket seal strip. Grease
seals (12) and insert them into middle
a. Grease new gasket seals (14) and insert
slots in thrust plate (13).
them into grooves in both sides of all gear
housings (15) and (20).
b. With pocket seals down, place thrust
plates (13) over bearings (11) in shaft end
CAUTION
cover (23). Tap thrust plate with a soft
hammer to about 0.031-in. (0.794 mm)
Avoid pinching gasket seal (14).
from machined surface.
NOTE
c. Cut four pocket seals approximately 0.25-
in. (6.35 mm) long from pocket seal strip.
Oil gears to provide initial lubrication
Insert one pocket seal into each slot in
when pump is started.
thrust plate. Push each pocket seal all the
way in so that they touch roller bearing
b. Slide first section gear housing (20) over
(11). Tap thrust plate (13) down firmly
gears and tap with a soft hammer until
against machined surface with a soft
housing rests tightly against shaft end
hammer. Using a sharp razor blade, trim
cover.
exposed end of pocket seal square and
flush with thrust plate (13).
CAUTION
d. Secure shaft end cover (23) in a vise with
Ensure index marks are properly
mounting face down.
aligned.
CAUTION
9. INSTALL BEARING CARRIER (18).
Avoid damaging the double lip seal.
NOTE
Tap bearing carrier tight with a soft
hammer.
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