TM 10-4610-232-12
4-16. RAW WATER PUMP. This task covers:
a. Disassembly.
b. Repair.
c. Reassembly.
INITIAL SETUP.
Tools, see Appx B, Sec Ill, Ref Code (No.):
Equipment Condition:
Tool Kit, General Mechanics Automotive (1)
ROWPU shutdown to standby (para. 2-18). Raw water
Materials/Parts:
suction hose disconnected at pump suction flange.
Tape, Antiseize (Appx E, Sec II, Item 67)
Gaskets (TM 10-4610-232-24P)
WARNING
Make sure electrical power is disconnected before working on equipment. Failure to
do so could result in serious injury or death from electrical shock.
NOTE
The flapper valve prevents water from draining from the suction side of the raw water
pump. It is important that this valve remain free to move so that the pump will retain
its prime.
DISASSEMBLY.
a.
b.
c.
d.
e.
f.
Disconnect dust cap (1, Figure 4-18) and remove gasket (2) from dust cap (1).
Remove four screws (3) and remove suction flange (4).
Remove flapper valve assembly (5) from housing (8).
Remove plugs (6 and 7) if necessary.
Loosen nuts (9) and remove tube assembly (10).
Remove fitting (11) and elbow (12) from pump housing (8).
Figure 4-18. Raw Water Pump
Change 2 4-101