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PRINTED IN U.S.A.
5-3
90
8147
/0999
Machine will not travel in any
direction.
Machine will not travel straight
ahead.
Foreign body jammed in track.
Gears not operative.
Foreign body jammed in track.
Track tension unequal.
Travel valves damaged.
Remove foreign body.
Repair gears (contact authorized repair center).
Remove foreign body.
Adjust track tension.
Repair/replace valves (contact authorized repair
center).
PROBLEM
POSSIBLE CAUSE
CORRECTIVE ACTION
TRAVELLING GEAR
Slewing chassis is difficult or
impossible.
Equipment does not work or
works only at a low perform-
ance level.
Hydraulic cylinders lower too
quickly.
Hydraulic lines overheat.
Brakes do not release.
Insufficient lubrication.
Slewing motor not operating.
Insufficient hydraulic oil.
Insufficient engine power.
Coupling or pump damaged.
Pressure limiting valves set too low.
Hydraulic cylinder damaged.
Control valves damaged.
Seals contaminated or damaged.
Heavy leakage at control spools.
Secondary cartridges damaged.
Hydraulic oil filter blocked.
Insufficient hydraulic oil in oil reservoir.
Secondary cartridges set too low.
Cooling system not in working order.
Contact authorized repair center.
Lubricate slewing ring hose connections.
Contact authorized repair center.
Fill hydraulic oil reservoir.
Contact authorized repair center.
Contact authorized repair center.
Contact authorized repair center.
Contact authorized repair center.
Contact authorized repair center.
Contact authorized repair center.
Contact authorized repair center.
Contact authorized repair center.
Clean or replace filter.
Fill hydraulic oil reservoir.
Contact authorized repair center.
Clean oil cooler.
PROBLEM
POSSIBLE CAUSE
CORRECTIVE ACTION
BUCKET, BOOM AND DOZER BLADE
Summary of Contents for GE 802
Page 1: ...GE 802 Crawler Excavator OPERATOR S MANUAL Form No 908147 English...
Page 12: ...PRINTED IN U S A 1 8 908147 0999 This Page Intentionally Blank...
Page 45: ...PRINTED IN U S A 4 15 908147 0999 MAINTENANCE LOG DATE HOURS SERVICE PROCEDURE...
Page 46: ...PRINTED IN U S A 4 16 908147 0999 MAINTENANCE LOG DATE HOURS SERVICE PROCEDURE...
Page 50: ...PRINTED IN U S A 5 4 908147 0999 NOTES...
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