918196/EP0913 5-4 Printed in U.S.A.
TRAVELING GEAR
BUCKET, BOOM AND DOZER BLADE
Problem Possible Cause Corrective Action
Machine will not travel Obstruction jamming track mechanism Remove object
Gears inoperative Repair gear; contact authorized service
center
Machine will not travel straight
forward or backward
Obstruction jamming track mechanism Remove object
Unequal track tension Adjust track tension; see "Checking and
Adjusting Track Tension” on page 4-26
Travel s damaged Repair/replace s; contact authorized service
center
Problem Possible Cause Corrective Action
Swing frame rotation malfunc-
tioning
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 4-19
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 s set too low Contact authorized service center
Hydraulic cylinder damaged Contact authorized service center
Control s 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 s damaged Contact authorized service center
Hydraulic lines overheat Hydraulic oil filter blocked Clean or replace filter
Low hydraulic fluid level Add hydraulic fluid; see "Checking Hydraulic
Oil Level” on page 4-19
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