Troubleshooting
Problem
Possible Cause
Corrective Action
1. Hydraulic coupler not
completely connected
1. Check and tighten all
couplers.
2. Defective hydraulic
coupler
2. Check couplers and
replace any that are
defective.
3. An obstruction in a
hydraulic hose
3. Find and remove the
obstruction.
4. Auxiliary valve on the
traction unit is not
opening.
4. Repair the valve.
Fork does not open and
close.
5. Defective hydraulic
cylinder(s)
5. Replace or repair any
defective cylinders.
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