TM 5-3610-256-14
g. Remove the pump motor (1) from the pump bracket (2) by removing hex nuts (3) and Iockwashers
(4). Remove press fit eccentric (5).
h. Remove pump body assembly (6) by removing screws (7).
i. Remove snap ring (8) and separate connecting rod (9) from diaphragm (10).
j. Remove packings (11), valve seats (12), and springs (13) from body (14).
k. inspect the pump components as follows:
(1) Connect the motor and measure the amperage. The proper amperage is 0.70 amps. If
excessive vibration or improper amperage is observed, replace the pump motor.
(2) Inspect for pitted or fractured valves or springs.
(3) Inspect for bent or worn connecting rod.
l. Reinstall packings (11), valve seats (12), and springs (13) in body (14).
m. Reinstall diaphragm (10) on connecting rod (9).
n. Reinstall body (14) in diaphragm (10) and secure with snap ring (8).
o. Reinstall pump body assembly (6) and secure with screws (7).
p. Reinstall press fit eccentric (5).
q. Reinstall bracket (2) to motor (1) and secure with hex nuts (3) and washers (4).
r. Install pump/motor assembly and secure with hex heed nuts and washers.
s. Reinstall hoses and secure with hose clamps.
t. Plug connector (15) into pump.
u. ReinstalI right and rear covers.
v. Plug in power cord.
w. Power ON.
x. Perform operational check.
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