TM 55-1680-320-23 & P
Section IV. TROUBLESHOOTING
3-10. Troubleshooting. If malfunction or failure occurs during operation or performance check, perform troubleshoot-
ing in accodance with logic tree diagrams. Refer to table 3-2, Symptom Index, for determining applicable troubleshoot-
ing procedure.
Table 3-2. SYMPTOM INDEX
Troubleshooting
Symptom
Procedure
Boom Head Assembly
Does not swing full 205 degrees
4
Inoperative
3
Overheats
14
Brake
No positive brake action
11
Positive action deceleration inoperative
6
Control Panel
Operating switch inoperative
18
Pilots override control inoperative
17
Control Pendant
Intercom inoperative
16
Operating switch inoperative
18
Hoist Cable
Does not reel smoothly
10
Lamps/Indicators
Caution lamp inoperative
7
Temp warning lamp inoperative
15
Rescue Hoist
Hoist does not install properly
1
Inoperative
2
Winch Assembly
Cable speed-less than 100 RPM
8
Cable speed-exceeds 15 RPM
9
Hoist cable does not reel smoothly
10
Inoperative
5
Overheats
13
Winch motor overheats
12
3-20
