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 TM 55-1905-219-14-5
3-104. HYDROSTARTER HAND PUMP - MAINTENANCE INSTRUCTIONS (Cont).
LOCATION
ITEM
ACTION
REMARKS
REASSEMBLY
NOTE
After cleaning and inspection of pump parts, stone check valve ball seats (10)
in the pump body (4), if necessary. Then thoroughly clean the pump parts and
reseat the balls (10) in the pump body (4) using a nonhardened steel rod.
9.
Pistons
a. Slide seal rings (13),
Thoroughly
(15)
and back-up rings (14)
soak new back-
on pistons (15).
up rings (14)
in warm oil
prior to instal-
lation.
b. Install pistons (15)
in pump body (4)
notched side up.
c. Secure in place with
Use new metal
plugs (11) and metal
gaskets.
gaskets (12).
10.
Check
a. Install four check
valves
valve balls (10) and
compression springs
(9).
b. Install retaining
plugs (8).
11.
Pump body
Install inlet (19) and
Use Permatex
outlet (20) elbows and
No. 2, or equi-
plugs (21).
valent; on all
the male threads
except the
threads nearest
to the open end.
12.
Relief
a. Install seal ring (17)
Use new seal
valve
on relief valve (16).
ring.
b. Insert the ball (18)
in place.
c. Install relief valve
(16).
3-1794
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