TM 5-3810-306-34
TABLE 3-1. DIRECT AND GENERAL SUPPORT TROUBLESHOOTING (CONTD)
Malfunction
Test or Inspection
Corrective Action
72.
SWING BRAKE SYSTEM WILL NOT OPERATE
Step 1. Defective swing brake valve.
a.
Replace swing brake valve. (Refer to TM 5-3810-306-20.)
Step 2. Defective swing brake assembly.
a.
Remove and repair swing brake. (Refer to page 15-126.)
73.
BOOM SWINGS SLOWLY
Step 1. Defective swing motor.
a.
Repair or replace swing motor. (Refer to page 15-133.)
74.
SWING MOTOR NOISY
Step 1. Swing motor binding.
a.
Repair or replace swing motor. (Refer to page 15-133.)
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