TM 5-3810-306-20
TABLE 3-1. ORGANIZATIONAL TROUBLESHOOTING (CONTD)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
61. SWING OPERATION SLOW IN EITHER DIRECTION
Step 1.
Improperly lubricated swing bearing.
a. Lubricate swing bearing (Refer to LO 5-3810-306-12.)
Step 2.
Restricted hydraulic hoses and fittings.
a. Remove and inspect hydraulic hoses and fittings. If
OK, do Step 3.
b. Replace hydraulic hose or fitting. (Refer to page
16-18.)
Step 3.
Defective swing system.
a. Contact Direct Support Maintenance.
62. SWING OPERATION SLOW IN ONE DIRECTION ONLY
Step 1.
Defective main hydraulic relief valve.
a. Check relief valve adjustment. (Refer to page 16-54.)
If OK, do Step 2.
b. Contact Direct Support Maintenance to replace relief
valve.
Step 2.
Restricted hydraulic hoses and fittings.
a. Remove and inspect hydraulic hoses and fittings. If
OK, do Step 3.
b. Replace hydraulic hoses and fittings. (Refer to page
16-18.)
WARNING
Do not torque turntable bolts two times without replacing the
bolts. Failure to follow this procedure could result in a
serious accident.
3-48
