Routine Maintenance - Clarke Super E Edger Manual Del Operador

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ROUTINE MAINTENANCE

Carbon Brushes
Inspect all four brushes every 6 months or 250 hours.
Access to the brushes is gained through the front and back
motor vent plugs and under both covers. Press tab on
spring clip assembly in, rotate, then remove (figure 7). Use
needlenose pliers to disconnect the shunt wire. If any
brush has worn to 3/8" in length or shorter, replace the
entire set.
CAUTION:
Use only motor brush part no. 40818A
or 40055A with shunt wire or motor
failure will occur.
When replacing the brushes, make sure that the brush
seats against the commutator, the tab on the spring clip
assembly is fully seated in pocket, and the brush is free to
travel. When returning the switch covers, keep all wires
clear of the commutator and any pinch sites.
Pad
In time the elastomer on the pad may wear or become
damaged. To replace, remove pad by placing screwdriver
in slot of shaft, grasp pad and rotate shaft counterclock-
wise. Remove existing elastomer and clean hub throughly
to remove old adhesive. Roughen surface of new elas-
tomer to provide good bond sights. Apply a good rubber
cement to both surfaces and allow to tack. 3M# 1300
rubber and gasket cement is a suitable choice. Apply
elastomer to hub and knead throughly. Apply pressure to
elastomer and allow to stand over night. Apply a medium
strength thread locker to the external threaded end of the
shaft. Install belt in grooves on hub and screw down on
shaft. Install abrasive retainer on to shaft. Locate a flat
surface and tape 80 grit abrasive to surface. Using
machine "dress in" by sanding the elastomer on the pad.
Continue sanding until the entire surface of the elastomer
shows signs of sanding. As in operation of the machine,
take precautions performing this procedure.
Pad Driver
Periodically inspect belt grooves on pad driver for an
accumulation of paint or varnish especially after jobs where
several layers of paint or varnish have been removed.
Particles of paint or varnish can deposit in the grooves,
creating vibration and damaging the drive belt. Use a
plastic putty knife or similar object to remove the deposits.
Dust Bag
Periodically the dust bag should be turned inside out,
shaken vigorously and machine washed in cold water to
prevent pore blockage and loss of dust control.
Bearings
To insure reliable performance, armature and pad driver
bearings should be inspected for wear or damage after
1500 hours. If used heavily the bearings should be
replaced seasonally.
-10-
®
Operator's Manual (EN) - Super E
Clarke
American Sanders
Figure 7

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