ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
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TACTICAL WATER PURIFICATION SYSTEM (TWPS)
UNIT MAINTENANCE PROCEDURES
AIR COMPRESSOR
Oil Pressure Regulator Replacement:
Parts (TM 10-460-309-24P):
Oil pressure regulator
Test Equipment:
Pressure gauge, 0-1000 psig (WP 0075)
Equipment Condition:
TWPS in Standby Shutdown Without Draining Down
Army TWPS: Generator off and TWPS main breaker off
Marine Corps TWPS: TWPS disconnected from power source
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.
Replace and adjust the oil pressure regulator as follows:
1. Make sure that electrical power to the TWPS has been shut off.
2. Remove the oil pressure regulator as follows (see Figure 3):
a. Disconnect the top and bottom tubing connections.
b. Remove the top left and bottom right cap screws. Do not remove the other two.
c. Remove the regulator.
TOP TUBING CONNECTION
THIRD STAGE
TOP LEFT CAP SCREW
VALVE HEAD
O-RING
BOTTOM RIGHT CAP SCREW
OIL PRESSURE REGULATOR
BOTTOM TUBING CONNECTION
Figure 3. Oil Pressure Regulator Removal.
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