TM 9-4940-568-20
2-182
Table 2-21. Crane Troubleshooting (CONT).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
9. CRANE WILL NOT SWING CLOCKWISE USING REMOTE CONTROL (CONT).
Test 7.
Check for continuity between terminal strip, position 10, and swing CW solenoid
connector, terminal 1.
If no continuity is found, repair white wire between junction box terminal strip,
position 10, and swing CW solenoid. Refer to paragraph 3-16 in this manual.
If continuity is found, go to Test 8.
Test 8.
Check for continuity between swing CW solenoid connector, terminal 2, and known
good ground.
If no continuity is found, repair swing CW solenoid ground circuit. Refer to
paragraph 3-16 in this manual.
If continuity is found, go to Test 9.
Test 9.
Perform a resistance check of solenoid coil. Resistance should be between 23.7
and 26.3 ohms from terminal 1 and terminal 2.
If coil resistance is not within specifications, Notify Supervisor.
END OF TEST
