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
3. Inspect the data logs to see when the last PMCS was performed on the pump.
4. Disassemble the high-pressure pump. Refer to SERVICE and 2000-Hour High Pressure Pump
PMCS.
Inspect and repair the pump as follows:
1. Replace the shaft seal assembly.
NOTE
The shaft seal is pressed and glued into the shaft seal retainer and cannot be
separately replaced.
The shaft seal assembly must be installed onto the bearing plate before the
bearing plate is reinstalled onto the mounting flange.
SHAFT BEARING
BEARING PLATE
SHAFT SEAL ASSEMBLY
ALLEN HEAD SCREW
SHAFT SEAL
MOUNTING FLANGE
Figure 21. High Pressure Pump Shaft Seal Removal
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