ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
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TACTICAL WATER PURIFICATION SYSTEM (TWPS)
OPERATOR MAINTENANCE PROCEDURES
AIR SYSTEM
Compressor Belt Tension Check:
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.
Check the air compressor drive belt tension as follows (see Figure 9):
1. Make sure that electrical power to the TWPS has been shut off.
2. Reach in behind the belt guard assembly and push down hard in the center of the belt with your
thumb.
3. The belt should deflect about -in.
4. If the belt deflects more than or less than -in, notify Unit Maintenance to adjust the belt tension.
BELT GUARD ASSEMBLY
DRIVE BELT
Figure 9. Compressor Belt Tension Check.
END OF WORK PACKAGE
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