-28-
Model G0734/G0735 (Mfd. Since 12/15)
Motor Brushes
The motor brushes wear with use. When they
require replacement, the motor will stop operat-
ing correctly, fail to start, or cut in and out during
operation.
Tools Needed
Qty
Flat Head Screwdriver ....................................... 1
To inspect/replace the motor brushes:
1. DISCONNECT MACHINE FROM POWER!
2. Remove the top motor brush cap and motor
brush, as shown in
Figure 36, then install a
new brush and replace the cap.
5. Replace the brush assembly and secure with
the brush cap.
3. Turn the machine on its side.
4. Remove the lower brush cap and motor
brush, accessing them through a hole in the
bottom of the base (see
Figure 37).
Figure 37. Lower motor brush location.
Replacing Timing
Belt
If you hear unusual sounds coming from the motor
or notice that the flex-shaft rotary tool stops work-
ing, the timing belt may be broken. If this happens,
it must be replaced before further operation to
avoid damaging the motor pulley.
To replace the timing belt:
1. DISCONNECT MACHINE FROM POWER!
2. Remove the flex-shaft rotary tool, if installed.
3. Remove the three screws that secure the belt
cover shown in
Figure 38, then remove the
cover.
4. Remove the E-clip and flat washer from the
shaft shown in
Figure 39, remove the timing
belt from the pulleys, then slide a new timing
belt onto the pulleys.
5. Re-install the belt cover with the screws
removed in
Step 1, then re-install the flex-
shaft rotary tool.
Figure 39. Timing belt and pulleys.
Timing
Belt
E-Clip
Flat
Washer
Figure 38. Location of timing belt cover screws.
Phillips Head Screws
Belt Cover
Figure 36. Top motor brush cap.
Brush Cap
Motor Brush
Location of Brush
Содержание G0734
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