1
specs?
Within specs
combination of devices
Normal
Out-of-specs
2
Check the crawler belt
tension. Check for for-
crawler belt
Faulty
Adjust to the specified crawler
tension and remove the for-
Normal
Check the spool opera-
tion
Faulty
block
Normal
4
-
es between the pumps
side
Repair or replace the pumps
Replace the hydraulic oil or
the filter
5
relief valves
to the opposite side
Check the main relief
valve
Repair or replace the faulty
main relief valve
6 Check the swivel joint
Faulty
Repair or replace the swivel
joint
Normal
Check the counter bal-
ance valve
Faulty
Repair or replace the counter
balance valve
Normal
8 Travel motor is faulty
Repair or replace the travel
motor