Printed in U.S.A. 5-4 918070/FP0811
TRAVELING GEAR
BUCKET, BOOM AND DOZER BLADE
Problem Possible Cause Corrective Action
Machine will not travel in any
direction
Foreign object jammed in track Remove object
Gears not operative Repair gears. Contact authorized service cen-
ter
Machine will not travel straight
forward or backward
Foreign object jammed in track Remove object
Track tension unequal Adjust track tension; ; see “Checking and
Adjusting Track Tension” on page 4-24
Travel valves damaged Repair/replace valves. Contact authorized
service center
Problem Possible Cause Corrective Action
Rotating swing frame is diffi-
cult or impossible
Swing lock pin engaged Release swing lock pin
Insufficient lubrication Lubricate swing gear using remote grease
fitting
Front end attachments do not
work or work only at a low
performance level
Low hydraulic fluid level Add hydraulic fluid; see “Checking Hydraulic
Oil Level” on page 4-17
Low engine power See “Engine” troubleshooting on page 5-1;
contact authorized service center
Engine to pump coupling or hydraulic pump
damaged
Contact authorized service center
Pressure limiting valves set too low Contact authorized service center
Hydraulic cylinder damaged Contact authorized service center
Control valves damaged Contact authorized service center
Hydraulic cylinders lower too
quickly
Seals contaminated or damaged Contact authorized service center
Heavy internal leakage at control spools Contact authorized service center
Secondary cartridge valves damaged Contact authorized service center
Hydraulic lines overheat Low hydraulic fluid in hydraulic fluid reservoir Add hydraulic fluid; see “Checking Hydraulic
Oil Level” on page 4-17
Secondary cartridges set too low Contact authorized service center
Hydraulic fluid cooling system not in working
order
Service hydraulic fluid cooling system; contact
authorized service center
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