TM 9-4940-568-34
2-28
Table 2-7. Crane Troubleshooting (CONT).
1. OVERLOAD SHUTDOWN SYSTEM (OSS) DISABLES CRANE FUNCTIONS,
BOOM UP, BOOM DOWN, TELESCOPE OUT AND HOIST UP (CONT).
Hoist lowers.
Boom telescopes in.
Crane swings.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Verify repair.
If functions operate, fault has
been corrected.
YES
NO
Fault not corrected.
Notify supervisor.
5.
Does boom raise, lower and
telescope out and hoist raise?
Fault corrected.
WARNING
Read WARNING
on Page 2-31