62
Boom and bucket move slowly. Pump worn out. Replace pump.
Screen dirty or plugged. Clean or replace screen.
Low oil fl ow. Increase tractor RPM.
Flow control set too low. Open fl ow control to get more
fl ow.
Low oil level. Check oil level. Add as
required.
Machine jerks when moving. Screen dirty or plugged. Clean or replace screen.
Sucking air. Check fi ttings in hydraulic
system. Tighten all fi ttings to
stop air intake.
Low oil level. Check oil level. Add as
required.
Control levers do not return Return springs collapsed. Check valve return springs.
to neutral.
Replace any that have
collapsed or are not as long as
they should be.
System dirty. Change oil and clean screen.
Boom does not stay up. Cylinder seals leaking. Replace cylinder seals.
6 TROUBLE SHOOTING
The Wallenstein Backhoe is designed to fi t on the back of a small agricultural tractor and is used to dig,
excavate and trench. 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 diffi cult 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 CAUSE SOLUTION
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