ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
0056 00
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
UNIT MAINTENANCE PROCEDURES
AIR COMPRESSOR
Temperature Switch Replacement:
Parts (TM 10-4610-309-24P)
Temperature switch assembly
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
Replace the temperature switch as follows (see Figure 13):
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.
1. Make sure that electrical power to the TWPS has been shut off.
2. Remove the bolt, flat washer, lock washer, and clamp that secure the compressor temperature
switch wiring to the back of the belt guard assembly.
3. Disconnect the compressor third stage temperature switch wiring connector.
4. Unscrew the temperature switch from the third stage compressor valve head.
5. Screw a new temperature switch assembly into the thirds stage compressor valve head.
6. Reconnect the compressor third stage temperature switch wiring connector.
7. Secure the temperature switch wiring to the back of the belt guard assembly using the bolt, flat
washer, lock washer, and clamp that were removed earlier.
TEMPERATURE SWITCH WIRING CONNECTOR
THIRD STAGE VALVE HEAD
BOLT
CLAMP
TEMPERATURE
SWITCH
Figure 13. Temperature Switch Assembly Replacement.
0056 00-20
