35
7. TROUBLESHOOTING: CAUSES AND REMEDIES
PROBLEM
CAUSE
SOLUTION
The machine moves jerkily
There is no oil in the tank
Check the level and top up if
necessary
Air in the hydraulic
transmission system
Check that the piping and
connections are intact
Hydrost. syst. oil filter.
plugged
Replace filter cartridge
Lever operated too abruptly
and too fast
Operate the lever delicately
The machine does not use
all its power and does not
achieve maximum
performance
The hydraulic oil used differs
from the one indicated
Check and replace with
suitable oil if necessary
Hydrost. syst. oil filter.
plugged
Replace filter cartridge
The tracks tend to jump the
traction housing
The track has loosened with
use
Adjust following the
indications reported in the
paragraph on "CHECKS
AND CONTROLS" under
GENERAL MAINTENANCE
One of the two tracks is
blocked
Foreign bodies have worked
their way in between the track
and the frame
Remove the foreign body
Hydraulic motor failure
Contact an authorized
workshop
Pump damaged
Contact an authorized
workshop
Hydraulic piping failure
Check and replace if
necessary
The dump body hatch does
not open or close
Hook device damaged
Check lever, seat, etc. and
restore the original condition
if necessary
The engine does not start
Start-up starter or switch set
in the wrong position
Restore correct position as
indicated in the engine user's
manual
Fuel tank empty
Check and refuel if
necessary
Wrong fuel used
Check and, if necessary,
clean out the tank and
replace
The raised dump body does
not descend
Mechanical impediment
Remove the obstacle
Articulation pin blocked
Grease
Cylinder or gasket damaged
Check and replace if
necessary
The dump body does not
rise
Joint and or hydraulic pump
failure
Check and replace if
necessary