ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
0056 00
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
UNIT MAINTENANCE PROCEDURES
AIR COMPRESSOR
f.
Insert and torque the cap screws to 206 in.-lbs using the sequence shown in Figure 12.
1
3
6
4
5
2
Figure 12. Third Stage Valve Head Cap Screw Torque Sequence.
g. Screw in the pressure valve set screw by hand until seated.
h. Install the dome nut gasket and dome nut.
i. Connect the intercooler tube to the new third stage valve head.
j. Connect the tubing between the third stage valve head and the intermediate filter.
5. Turn the compressor manually using the flywheel to make sure that all components have been
correctly installed.
CAUTION
After replacing a valve head assembly on the compressor, the compressor should
be stopped after 30 minutes of operation and the socket head screws and cap nut
at the top of the valve head should be tightened. Failure to observe this CAUTION
may result in the valve head gasket(s) leaking.
6. Thirty minutes after restarting the compressor, stop the compressor and let it cool to ambient
temperature. Retighten the socket head screws and the cap nut at the top of the valve head.
0056 00-19
