TM 10-5430-245-13&P
0011 00
Table 1. Operator's Preventive Maintenance Checks and Services for Drum (Continued)
Equipment Not
Item Interval
Procedure
Item To Be
Ready/
No.
Checked Or
Available If:
Serviced
Coupler valve installed onto drum.
COUPLER VALVE
2
3
4
1
LEAK
LEAK
Check both coupler valves for:
Proper locking and unlocking operation of cam arm assemblies
Cam arm
(1).
assemblies (1) will
Leaks where coupler valve connects to adapter assembly (2).
not lock properly.
Leaks at coupler valve outlet when coupler valve is shut off.
Leaks are
Leaks at or around valve stem (3) and packing nut (4).
discovered.
1
Check adapter assemblies (1) on both ends of drum for looseness
Adapter assembly
Before Adapter
3
and leakage.
(1) leaks or is loose.
Assembly
0011 00-3
