TM 55-1520-240-23-10
16-12
FORWARD OR AFT CARGO HOOK WATERTIGHTNESS TEST
16-12
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanics Tool Kit, NSN 5180-00-323-4692
Stopwatch
Stowage Coupling, MS3180-16C
Regulator
Pressure Gage, 0 to 30 psi
Shutoff Valve
Torque Wrench, 30 to 150 Inch-Pounds
Air Hose
Source of Low Pressure Compressed Air
Materials:
None
Parts:
Packing
Personnel Required:
Medium Helicopter Repairer
Aircraft Electrician
Inspector
Equipment Condition:
Battery Disconnected (Task 1-39)
Electrical Power Off
Hydraulic Power Off
Air Pressure Test Setup
NOTE
Procedure is same to test forward or
aft cargo hook.
1.
Disconnect connector plug (1) from receptacle
(2).
2.
Install stowage coupling (3) on connector plug
(1).
NOTE
Only solenoid cover of cargo hook is
shown here for clarity.
3.
Remove, bolt (4), washer (5), and packing (6)
from test port (7) of solenoid cover (8).
16-98