Manitowoc Grove TMS800E User Manual

6-5
TMS800E SERVICE MANUAL SWING SYSTEM
6
GROVE
Published 01-29-2014, Control # 496-00
2. Superstructure
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.
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.
g. Electrical connections. g. Inspect wiring and connectors.
h. Controller settings. h. Check settings. See item t. on previous
page.
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 wiring/connectors. d. Inspect wiring and connectors.
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.
Symptom Probable Cause Solution
Reference Only

Manitowoc Grove TMS800E Specifications

General

Brand	Manitowoc
Model	Grove TMS800E
Category	Construction Equipment
Language	English