TM 10-8110-202-13 & P
Item
No.
3
Table 2-1. Operator/Crew Preventive Maintenance Checks and Services - Continued
B - Before Operation
D - During Operation
A - After Operation
Interval
D
•
•
•
•
ITEM TO BE INSPECTED
PROCEDURE
Coupler Valve Installed Onto Drum.
Check both coupler valves for:
Proper locking and unlocking operation of cam arm
assemblies (1 ) when either installing or removing
coupler valve from adapter assembly (2) or dis-
pensing hose.
Leaks where coupler valve connects to adapter
assembly (2).
Leaks at coupler valve outlet when coupler valve
is shut off.
Leaks at or around valve stem (3) and packing nut (4).
Check adapter assemblies in both ends of drum for:
Looseness and leakage.
Equipment is
Not Ready/
Available If:
Cam arm as-
semblies will
not properly
lock coupler
valve in place
and if any leak-
age is dis-
covered.
Adapter assem-
bly leaks or is
loose.
2-4
Change 1
