ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
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TACTICAL WATER PURIFICATION SYSTEM (TWPS)
UNIT MAINTENANCE PROCEDURES
HIGH PRESSURE PUMPS
b. Loosen the pump coupling set screw and remove the coupling from the pump shaft (see
Figure 3).
NOTE
Keep the rubber coupling insert with the motor.
c.
Leave the pump attached to the mounting flange.
d.
Stand the high-pressure pump up on its mounting flange (see Figure 4).
e.
Scribe a pencil line down along all segments of the pump and the flange for alignment.
f.
Remove the 9 bolts, 9 lock washers, and 9 flat washers around the outer edge of the top
of the High Pressure Pump (HPP) manifold.
g. Remove the center hex bolt, lock washer, and flat washer on the top of HPP the manifold.
h. Remove the manifold.
NOTE
Be sure to keep the three O-rings with the manifold.
BOLT AT OUTER
CENTER
EDGE OF MAINFOLD
MOUNTING BOLT
PENCIL LINE
HPP MANIFOLD
Figure 4. High Pressure Pump Manifold Removal.
i.
Remove the valve housing (see Figure 5).
NOTE
If alignment pins cause resistance, gently tap the housing free.
ALIGNMENT PIN
VALVE HOUSING
ASSEMBLY
Figure 5. High Pressure Pump Valve Housing Removal.
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