10 Trouble Shooting - Wallenstein LXT95 Operator's Manual

10 TROUBLE SHOOTING

The Wallenstein Log Grapple Trailer is designed to lift, load and transport wood or logs out of the woods or
woodlot. It is a simple and reliable system that requires minimal maintenance.
In the following section, we have listed many of the problems, causes and solutions to the problems that
you may encounter.
If you encounter a problem that is difficult to solve, even after having read through this trouble shooting
section, please call your local distributor or dealer. Before you call, please have this Operator's Manual from
your unit and serial number ready.
PROBLEM
Cylinder rods move slowly or
don't move. (main boom,
dipper boom, grapple,
stabilizers).
Cylinders jerk, don't run
smoothly.
Control handle does't go to
neutral when released.
Leaking hydraulic hose.
Leaking cylinder.
Hydraulics behave eratically.
Boom drifts down.
CAUSE
No pressurized
Oil filter plugged. Change filter.
hydraulic oil.
No pressurized
Low hydraulic oil level, top up.
hydraulic oil
connection at grapple switched,
Hydraulic hoses
check colour code and match
switched
connections.
Flow control set too low, set control
Not enough flow
higher for more flow.
Hydraulic hoses Switch input / output hydraulic hose
switched connections.
Check that choke is off, check
Low engine speed.
throttle is correctly set.
Leak in hydraulic Air getting into system, tighten all
system hydraulic connections.
Return springs Check valve return springs, replace
collapsed. if required.
No pressurized
Oil filter plugged. Change filter.
hydraulic oil.
No pressurized
Low hydraulic oil level, top up.
hydraulic oil
Control may be Call technician, control may need
damaged. service or be replaced.
Hose worn or
Replace hose.
damaged.
Call technician, seal replacement
Seals worn.
may be required.
Determine hydraulic system on
mis-matched valve
tractor, ensure valve system
(open / closed system)
matches.
leaking seals replace seals .
Counter balance valve
repair or replace valve.
defective
SOLUTION
66
CAUTION
Ensure machine is off and cooled
down.
Ensure machine is off and cooled
down.
Ensure machine is off.
Ensure machine is off.
Ensure machine is off.
Ensure machine is off.
Ensure machine is off.
Ensure machine is off.
Ensure machine is off and call
hydraulic technician.
Ensure machine is off and cooled
down.
Ensure machine is off and call
hydraulic technician.
Ensure machine is off and call
hydraulic technician / service.
Ensure machine is off and call
hydraulic technician / service.
Ensure machine is off and call
hydraulic technician / service.