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6-4
Published 01-14-2021 Control # 707-01
SWING SYSTEM
TMS9000-2 SERVICE MANUAL
2.
Boom swing
operation erratic in
one direction only.
a.
Crane not level.
a.
Level crane using outriggers.
b.
Turntable bearing binding due to
continuous limited swing. (Example:
concrete pourer.)
b.
Rotate machine 360 degrees in both
directions several times and lubricate
bearing.
c.
Restricted hose or fitting.
c.
Replace hose or fitting.
Boom swing
operation erratic in
one direction only.
d.
Damaged swing directional control
valve.
d.
Replace swing directional control
valve.
e.
Damaged swing pinion.
e.
Replace pinion.
f.
Damaged turntable bearing.
f.
Replace turntable bearing.
3.
Boom will not swing
in either direction.
a.
Damaged relief valve.
a.
Remove, clean, and repair or replace
relief valve.
b.
Damaged swing motor.
b.
Repair or replace swing motor.
c.
Swing brake not releasing properly.
c.
Repair as necessary.
d.
Damaged hydraulic remote control
valve.
d.
Replace hydraulic remote control
valve.
e.
Internal damage to swing box.
e.
Remove swing box and repair.
f.
Worn or damaged hydraulic pump.
f.
Replace pump section.
g.
Damaged swing directional control
valve.
g.
Replace swing directional control
valve.
h.
Damaged swing pinion.
h.
Replace pinion.
i.
Damaged turntable bearing.
i.
Replace turntable bearing.
j.
Excessive overload.
j.
Reduce load. Refer to load capacity
chart.
4.
Swing operation
slow in either
direction.
a.
Damaged relief valve.
a.
Adjust, repair or replace valve.
b.
Improperly adjusted swing brake.
b.
Readjust.
c.
Damaged hydraulic remote control
valve.
c.
Replace hydraulic remote control
valve.
d.
Improperly lubricated swing bearing.
d.
Lubricate bearing per
e.
Improper size hose and/or fittings
installed.
e.
Replace hose or fittings. Refer to your
Manitowoc Crane Care Parts Manual.
f.
Clogged or restricted hydraulic hoses
or fittings.
f.
Clean or replace damaged parts.
g.
Worn or damaged output shaft
bearings
g.
Replace bearings.
h.
Worn or damaged swing motor.
h.
Repair or replace motor.
i.
Worn or damaged hydraulic pump.
i.
Repair or replace pump.
j.
Crane not level.
j.
Level crane.
k.
Damaged swing directional control
valve.
k.
Replace swing directional control
valve.
Symptom
Probable Cause
Solution
Fo
r
Reference
Only
Содержание Grove TMS9000-2 Series
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