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GREENLEE FAIRMONT
Troubleshooting
Before You Begin
1. Any tool used with this power unit must be an
Open-Center system type tool.
2. Verify that the pressure and return hoses are
connected properly to the power unit and tool ports.
3. Power unit reservoir must be filled to the FULL mark
with hydraulic fluid.
4. Start the power unit hydraulic oil flow. All separate
shut-off devices must be opened (on/off valves, etc.)
5. After verifying all of the above, check the tool to see
if it operates.
If the tool does not operate, it will be necessary to
pinpoint the power unit, tool, or hoses and the
problem area. The following steps will help to
determine the problem area.
Greenlee Textron / Subsidiary of Textron Inc.
HG3558B/42307 Portable Power Unit
Determine the Problem Area
1. Stop the power unit hydraulic oil flow. Disconnect
the existing tool from the hoses and power unit.
2. Connect a known working tool to the hoses and
power unit. See the tool's operator's manual for
correct hookup procedure. Start the power unit
hydraulic oil flow.
If the known working tool operates, the problem is in
the disconnected tool. See the tool operator's
manual for troubleshooting.
If the known working tool does not operate, the
problem is likely to be in the hoses or the power
unit. Proceed to Step 3.
3. Stop the power unit hydraulic oil flow. Disconnect
the existing hoses from the known working tool and
power unit.
4. Connect a different set of hoses to the known
working tool and power unit. Start the power unit
hydraulic oil flow.
If the known working tool operates with the different
set of hoses, the problem is in the disconnected
hoses.
If the known working tool does not operate, the
problem is in the power unit. See the trouble-
shooting charts in this operator's manual.
4455 Boeing Dr., Rockford, IL 61109-2988 815/397-7070
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