G, M, P, AND R VALVES MAINTENANCE
THIS WP COVERS:
Disassembly, Cleaning and Inspection, Assembly, Follow-On Tasks
Tools and Special Tools
Direct and General Support
Tool kit, general mechanic's (item 4, WP 0171 00)
Semitrailer disconnected from prime mover (refer
to WP 0007 00)
Semitrailer grounded (refer to WP 0007 00)
Semitrailer fuel tank drained (refer to WP 0007 00)
R and P valves removed (refer to WP 0129 00)
G and M valves removed (refer to WP 0128 00)
All four valves are identical except in size. Valves G and M
are larger than valves P and R. This procedure covers
the P valve.
Remove nut (3), bolt (2), and handle (1) from valve (4).