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Page 2
Changing Arm Pads
(Fig. 3)
Remove the worn pad from the belt arm.
Replace with a new support arm pad by remov-
ing the self adhesive backing and place in the
same position.
Changing Belt Arm Pulleys
(Fig. 3)
Unfasten 2 screws located on top of the belt
arm. Spread the two plates sufficiently apart to
remove the defective pulley. Replace new pul-
ley and secure with screws.)
Changing Carbon Brushes
(Fig. 4)
Loosen 2 screws (YSR21-101) and remove
both sides. Pull the motor cap out (BS33-214)
Loosen 2 screws on both sides of the carbon
brushes and remove.
Inspection Of Carbon Brushes
(Fig. 4)
Check carefully if carbon brushes are worn
out or not. Replace new carbon brushes if
necessary.
Changing Ball Bearings
(Fig. 4)
Loosen 2 screws and remove brush side lid
(part #UM-20-202)
1. Pull the armature out.
2. Remove ball bearing (1040ZZ) from the
rear of armature.
Inspect ball bearing and replace
if necessary.
2. Front ball bearing:
Remove the C type clip ring (KC-041)
Remove wave washer (KW-041)
Remove spacer (KS-091)
Remove ball bearing (1350ZZ)
Inspect front bearing and replace
if necessary.
Instructions for Repairing Powerhand BZX Sander
Arm Pad
4mm
Pulley
Arm Pad
7mm
Screws (2)
Fig. 3
MOTOR COMPLETE
Armature
Ball Bearing
(1030ZZ)
Ball Bearing
(1340ZZ)
Motor Cap
Screws (2)
Brush
Side Lid
Carbon
Brushes
Fig. 4
Pulley