i. Remove four rubber washers (29), mounts (30) and rubber gaskets (31).
To avoid injury, two personnel are required to lift pump. Pump weighs over 50 Ibs.
j. Use lifting chain hoist to remove booster pump from van.
a. Remove two screws (34), cover (35) and gasket (36) from the electrical box on the motor.
b. Unscrew nut (37), and slide retainer (38) and bushing (39) up on cable (42).
c. Refer to Figure 4-47, sheet 2 and disconnect and tag the four wires from cable (42, sheet 1 ) as illustrated. Cable
(42, sheet 1) is now free.
d. Remove connector body (40) and reducing bushing (41).
e. Loosen the clamp (43) on the boot (44), Remove four capscrews (18), washers (20), nuts (21), Iockwashers (19) and
washers (22) and slide flange (32) away from pump to facilitate removal. Remove gasket (23).
f. Loosen the nut (45) between the support (46) and bracket (47) and turn the bracket to obtain adequate room for
Use lifting hoist and eyebolts in ROWPU ceiling to remove pump from ROWPU.
g. Remove four capscrews (24), Iockwashers (25), washers (26), rubber washers (27) and pump assembly (28).
h. Remove rubber washers (29), mounts (30) and rubber washers (31).
i. Remove fining (48) and elbow (49).
a. Repair by replacing cable if it is shorted, does not show continuity from end to end on any wire, if connector is
damaged, or installation is cut or damaged.
b. Repair any damaged part by replacement.
c. Repair leaking pump drain connection by using pipe thread sealant on pipe threads.
d. Replace wire markers (para. 4-10).
e. Replace any damaged or loose ring tongue terminals (para. 4-10).
a. Install reducing bushing (41) and screw body (40) into the bushing (41).
b. Slide nut (37), retainer (38) and bushing (39) onto cable (42).
c. Refer to Figure 4-47, sheet 2, slide the four cable wires through reducing bushing into the motor housing box and
connect the red, white, black and green motor wires as shown. Use a bolt, washer and nut to secure each pair of ring
d. Connect the ground lead (green) to the motor housing, using a capscrew as shown. Also, check to see that the
internal motor connections (which are marked with small metal tags) are connected as shown (T4 to T7, T5 to T8 and T6
to T9) if these wires have been disconnected or if a new motor is being installed.