9. Troubleshooting
In the event a problem occurs with the grapple, the following
table lists some probable causes and solutions.
If a problem exists that is difficult to solve, call your local dealer,
distributor, or Wallenstein Equipment. Have the grapple serial
number handy.
Problem
Possible Cause
Solution
Hydraulics functions move slowly or
do not move.
No pressurized hydraulic oil. Filter plugged.
Change Filter
Low oil level
Top up as required.
Hoses connected incorrectly.
Correct.
Low oil flow. Flow control set too low.
Adjust control.
Selector valve not powered (machines with
optional selector valve kit).
Connect selector valve solenoid to 12 VDC source.
Wrong function selected (machines with
optional selector valve kit).
Check harness is connected to correct function.
Harness connector loose or damaged
(machines with optional selector valve kit).
Check connection. Inspect for damage. Repair or replace.
Low engine speed
Increase engine speed.
Hydraulic functions are jerky.
Leak in hydraulic system. Air getting into the
system.
Tighten all connections. Check for leaks in hoses.
Hose couplers dirty or incompatible.
Clean couplers. Makes sure mating couplers are correct type.
Mini skid steer has closed-center hydraulic
circuit.
Contact service technician.
Leaking hydraulic hose.
Hose worn and damaged, or connector is
loose.
Inspect hose for damage. Replace if damaged. Check to make sure
connectors are tight. See
for connector torque requirements
.
Leaking hydraulic cylinder.
Cylinder seals worn or damaged.
Disassemble and overhaul cylinder. Check oil for debris.
Pivot does not return to neutral
position.
Spring broken.
Replace.
Lock lever engaged.
Release.
Troubleshooting
LXG210 Series
Log Grapples
30
Summary of Contents for LXG210 Series
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