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
Intermediate Filter Service:
Parts (TM 10-4610-309-24P):
Filter element
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
Clean or replace the intermediate filter as follows (see Figure 16):
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 intermediate filter. 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. Make sure the high-pressure air system has been bled down. Refer to High-Pressure Air
System Bleed Down Procedures.
3. Disconnect the tubing from the fittings on the filter head.
4. Unscrew the knurled nut and remove the filter head assembly.
5. Remove the center screw, filter, baffle cone, and distribution plate.
6. Inspect the filter and clean or replace as necessary. To clean the filter, wash it in hot, soapy
water and blow it dry with compressed air.
7. Install the center screw, filter, baffle cone, and distribution plate on the filter head.
8. Install the filter head assembly and tighten the knurled nut.
9. Connect the tubing to the fittings on the filter head.
10. Operate the air compressor and check for leaks.
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