2-85. RELAY VALVE REPLACE (WPES-10 AND H-9518-1).
This task consists of:
General Mechanics Tool Kit (Appendix B, Section III, Item 4)
Power shut down (Generator Manual)
Spare Tire removed from Unit (TM 10-4610-241-10).
General Safety Instructions
Compressed air can be dangerous. Wear goggles when using air to repair tire.
Compressed air can blow dust into eyes. Wear goggles and open drain cock slowly to
avoid a sudden rush of air when releasing reservoir pressure.
Open drain cock (1) slowly to release air pressure from reservoir (2).
Ensure that airflow from reservoir has stopped before closing drain cock.
Tagging hoses and tubes, noting their connection points will facilitate installation.
Be sure to transfer tags to replacement parts before discarding defective parts or
turning them in to supply.
Tag and disconnect four hoses (3,4,5 and 6) from relay valve (17).
Tag and disconnect three tubes (7,8, and 9).
Removethree locknuts (10) and bolts (11). Lower relay valve (17) from frame (12).
Remove adapter (13) from relay valve (17).
Remove elbows ( 14, 15, and 16) from relay valve (17).
2-342 Change 1