wheeler 7991, Руководство по эксплуатации

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Daily Inspection
&
Care
AcAUTION
·
Before inspecting or performing maintenance on the unit, always set the switch to the OFF position and remove the plug from the outlet.
If the unit is left plugged in, it may begin operating unexpectedly, resulting in injury.
·
If you discover any problems during inspection or maintenance, look up the symptoms in the "Troubleshooting" table and take the
appropriate action as noted in the table. Continued use of the unit without correcting the problem may result in heat, smoke or fire and
lead to accident or injury.
1.0iling the Pipe Cutter. (Fig.
26)
Be sure to apply light oil to the thread on of the cutter handle, blades and roller
shafts once each day to maintain lubrication. This is extremely important; not
only will it ensure that the tool cuts easily, it will also make its service life
several times longer. (Fig.
26)
2.Replacing the Carbon Brushes
(Fig.
27)
·
To protect the motor, this unit is equipped with two auto-stop carbon brushes.
When these brushes get too worn, the motor will not operate even when the
unit is turned on.
·
Be sure to use the recommended type of carbon brush. Use of other brushes
will impair braking performance.
AcAUTION
·
Be sure to replace both carbon brushes (A and B).
·
Be sure to use the recommended type of carbon brush.
·
When replacing the carbon brushes, always make sure the unit is stable.
Trying to replace the brushes with the unit tilted is extremely dangerous,
as the unit may topple or fall.
Apply oil here
Carbon brush B
Apply
oil here
Carbon brush
A
Fig. 27
•Replacing the Carbon Brushes
Replacing carbon brush A (Fig. 28) Replacing carbon brush B (Fig.
29)
•
Remove the side cover from the side of the unit and, using a
flathead screwdriver, remove the carbon brush cap attached to
the motor inside. Then replace the carbon brush.
Carbon
brush cap
Carbon brush
Side cover
Motor
Fig. 28
-15-
•
Remove the bottom cover and, using a flathead screwdriver, re­
move the carbon brush cap attached to the motor. Then replace
the carbon brush.
Carbon brush
Carbon brush cap
Fig. 29