ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
0056 00
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
UNIT MAINTENANCE PROCEDURES
AIR COMPRESSOR
Replace the air compressor oil pump as follows:
WARNING
The TWPS must be in Shutdown and the TQG and TWPS main breaker must be off
(Army) or the TWPS disconnected from its power source (Marine Corps) prior to
performing maintenance on the TWPS Air Compressor. Failure to observe this
warning can result in injury to personnel and damage to equipment.
High pressure. The air system contains air pressure up to 1800 psig. The high
pressure air system must be bled prior to removing the air compressor oil pump.
Failure to observe this warning can result in injury to personnel and damage to
equipment.
1. Make sure that electrical power to the TWPS has been shut off.
2. Remove the air compressor. Refer to REPLACE and Air Compressor.
WARNING
Two person lift. Two people are required to safely move the compressor. Failure
to observe this warning may result in back injury.
3. Remove the oil pump as follows (see Figure 7):
a. Tilt the compressor forward to gain access to the oil pump.
b. Place a suitable container under the compressor to catch any oil that might come out
when the pump is removed.
c. Remove the oil pump supply tubing.
d. Remove the three socket head cap screws that hold the oil pump in place.
e. Remove the oil pump and gasket.
OIL PUMP
GASKET
OIL PUMP
LOCKWASHER
CAP SCREW
OIL PUMP SUPPLY TUBING
Figure 7. Oil Pump Replacement.
0056 00-11
