Manitowoc Grove TMS800E Service And Maintenance Manual page 215

TMS800E SERVICE MANUAL
Symptom
8. Swing brake drags.
9. Swing motor
continues to
operate when
swing control is in
neutral.
10. Superstructure
swings slowly.
11. Swing motor
turning in wrong
direction.
12. Swing motor noisy.
GROVE
Probable Cause
a. Damaged swing brake release valve.
b. Internal damage to the swing brake
assembly.
c. Loose or restricted brake lines or
fittings.
d. Hydraulic pressures and EEPROMS
not setup correctly.
a. Control valve sticking
otherwise damaged.
a. Insufficient hydraulic volume.
b. Damaged relief valve.
c. Damaged swing motor.
a. Improper port connections.
b. Improper wiring connections.
a. Air in system.
b. Motor binding.
Published 01-29-2014, Control # 496-00
a. Replace cartridge.
b. Repair or replace affected parts.
c. Tighten or replace brake lines and
fittings.
d. See pressure setting procedure.
or valve a. Repair or replace valve.
a. Check delivery of hydraulic pump.
Ensure sufficient fluid is available to
pump. Check pump speed.
b. Adjust, repair, or replace valve.
c. Repair or replace motor.
a. Reverse port connections.
b. Inspect connections.
a. Refer to Hydraulic System, page 2-1,
for removal of air from the system.
b. Repair or replace motor.
SWING SYSTEM
Solution
6-7
6