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 TM 55-1905-220-14-5
3-104. HYDROSTARTER HAND PUMP - MAINTENANCE INSTRUCTIONS (Cont).
LOCATION
ITEM
ACTION
REMARKS
REPAIR (Cont)
b. Remove bleeder screw
Discard O-ring
(16), O-ring gasket
gasket.
(17) and ball bleed
valve (18) from pump
body (14).
c. Remove inlet oil fit-
Discard O-ring
ting (19), O-ring gas-
gasket (20),
ket (20), back-up ring
back-up ring
(21), O-ring gasket
(21), O-ring
(22), ball check valve
gasket (22) and
(23), spring (24),
spring (24).
from plunger (15) and
pump body (14).
d. Remove seat check
Discard O-ring
valve (25), O-ring
gasket (26),
gasket (26), ball
and spring
check valve (27),
check valve
spring check valve
(28).
(28).
e. Remove retaining ring
Discard back-up
(29), back-up ring
ring (30),
(30), O-ring gasket
O-ring gasket
(31), plunger gland
(31), back-up
(32), back-up ring
ring (33) and
(33), O-ring gasket
O-ring gasket
(34).
(34).
f. Remove back-up ring
Discard back-
(35), O-ring gasket
up ring (35)
(36), and plunger
and O-ring gas-
(15).
ket (36).
g. Remove pipe plugs (37
If necessary.
and 38).
ASSEMBLY
7.
Pump body
Plunger
a. Install O-ring gasket
Thoroughly soak
(34), back-up ring
new back-up
(33), plunger gland
rings (30, 33,
(32), O-ring gasket
35) in warm
(31), back-up ring
oil. Use
ring (33) and
gasket (34).
3-1772
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