Trouble Shooting - Wallenstein GE605 Operator's Manual

9

TROUBLE SHOOTING

Wallenstein Backhoes are designed for light digging and trenching duties. 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.
42
CAUSE
No pressurized
Oil filter plugged. Change filter.
hydraulic oil.
No pressurized
Low hydraulic oil level, top up.
hydraulic oil
connection at backhoe switched,
Hydraulic hoses
check colour code and match
switched
connections.
Flow control set too low, set control
Not enough flow
higher for more flow.
Clean or replace couplers, ensure
Stuck / Damaged /
mating couplers are ball style
Mismatched Couplers
couplers
Check valve stuck Clean or replace
Hydraulic hoses Switch input / output hydraulic
switched hose connections.
Low engine speed. Set engine speed
Leak in hydraulic Air getting into system, tighten all
system hydraulic connections.
Return springs Check valve return springs, replace
collapsed. if required.
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
CAUTION
Ensure machine is off and cooled
down.
Ensure machine is off and cooled
down.
Ensure machine is off.
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 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.