Table of Contents
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Locate the problem you've encountered in the chart below. Check the possible causes one at a time in the order list-
ed. Correct any problems that are found and operate the snowthrower to see if you have eliminated the problem.
To avoid serious injury, perform maintenance on the tractor or dozer blade only when the engine is
stopped, parking brake is set, and all moving parts have stopped. Always remove the ignition key before
beginning maintenance or adjustments to prevent accidental starting of the engine.
PROBLEM
_________________________________________________________________________________________
Dozer slow to lift
or change angle.
_________________________________________________________________________________________
Dozer chatters or vibrates
when raised or lowered.
_________________________________________________________________________________________
Excessive noise.
_________________________________________________________________________________________
Oil leaks.
_________________________________________________________________________________________
Excessive scraper bar wear.
_________________________________________________________________________________________
Dozer does not clear
down to surface.
WARNING
POSSIBLE
CAUSE
Air in hydraulic hoses.
Hoses loose or kinked.
Dirt in hydraulic system.
Air leak in pump inlet line.
Air in hydraulic hoses.
Low oil level.
Inlet line restricted.
Worn or damaged o-rings or
wiper seal in cylinder rod end.
Worn or damaged o-rings in valve.
Defective fittings or hoses.
Worn or damaged o-rings or
wiper seal in cylinder rod end.
Worn or damage3d o-rings in valve.
Skid shoes set too low.
Downward pressure not adjusted.
Skid shoes set too high.
Dozer lift incorrectly adjusted.
Scraper bar worn.
7
Troubleshooting
CORRECTIVE
ACTION
Cycle valves repeatedly
to work air out of lines & hoses.
Tighten hose connections and
un-kink hoses.
Drain and flush hydraulic system.
Check, tighten, or replace line.
Cycle valves repeatedly to work
air out of the lines.
Check / add oil.
Check for air leaks, restrictions, or.
collapsed hoses. Tighten or replace
faulty hoses and fittings.
See your dealer.
See your dealer.
Replace fittings or hoses.
See your dealer.
See your dealer.
See Skid Show Adjustment.
See Downward Pressure Adjustment.
See Skid Shoe Adjustment.
See Downward Pressure Adjustment.
See Rotate / Replace Scraper Bar.
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