Gesswein Powerhand BZX User manual
201 Hancock Ave. Bridgeport, CT 06605, USA |203.366.5400
How to Disassemble the Body (Fig. 1)
Pull back belt arm knob with index finger and remove belt.
Pull out the belt arm from body.
How to Disassemble & Assemble the Motor
(Fig 2.)
Disassemble & assemble with the opposite procedure refer-
ring to the paragraph enclosed:
1. Loosen screws (2) (part #YS131-02 handgrip screw) and
remove.
2. Loosen handgrip nut (part #BS33-114) and remove.
3. Pull out the handgrip (part #BS33-766) and remove.
4. Remove protection cover (part #BS1-277)
5. Remove belt holder body from the motor (part #BS33-200)
Instructions for Repairing
Powerhand BZX Sander
BELT
BELT ARM COMPLETE
BELT HOLDER BODY
PROTECTION
COVER
HANDGRIP NUT
HANDGRIP
BELT ARM KNOB
Fig. 1
4
5
2
3
MOTOR COMPLETE
1
Screws (2)
Fig. 2 See page 3 for key
BELT
BELT ARM COMPLETE
BELT HOLDER BODY
PROTECTION
COVER
HANDGRIP NUT
HANDGRIP
BELT ARM KNOB
201 Hancock Ave. Bridgeport, CT 06605, USA |203.366.5400
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
201 Hancock Ave. Bridgeport, CT 06605, USA |203.366.5400
Part# Item# Description
BS1-100-1 510-0494 Belt Arm Completed (4mm)
BS1-100-2 510-0496 Belt Arm Completed (7mm)
BS1-100-3 510-0495 Belt Arm Completed (45°)
BS1-130 896-0183 Belt Arm Pulley (4 mm)
BS1-140A 896-0350 Belt Arm Pulley (7 mm)
BS1-272 896-0185 Support Arm Pad (4 mm)
BS1-273 896-0186 Support Arm Pad (7 mm)
BS33-258 896-0187 Support Arm Pad (45°)
BS1-276 896-0188 Dust Proof Cushion
S-5 896-0189 O-Type Rubber Ring
YSF21-120 896-0190 Pan Headed Screw
YSF21-113 896-0191 Pan Headed Screw
BS33-270 896-0192 Guide Pulley Completed
S-9 896-0193 O-Type Rubber Ring
BS33-257A 896-0194 Pulley Cover
YSM21-101 896-0195 Countersunk Head Screw
BS33-200 896-0196 Belt Holder Body Completed
BS33-200A 896-0197 Belt Holder Body
BS1-203B 896-0198 Minibelt Sander Name Plate
BS3-289 896-0200 BZX Name Plate
BS1-263 896-0200 Spring Base
Part# Item# Description
BS1-264 896-0201 Screw Lid
KB-099 896-0202 Coil Spring
BS1-277 896-0203 Protection Cover
BS33-107 896-0352 Motor Completed
BS33-260 896-035 Driving Pulley Completed
BS3-265 896-0206 Driving Pulley Only
BS3-266 896-0207 Driving Rubber Ring
ETW-2 896-0156 E-Type Clip Ring
BS33-311 896-0354 Motor Housing
ON15-301 896-0160 O-Type Rubber Ring
KS-139 896-0161 Metal spacer
KS-632A 896-0163 Metal spacer
KW-130B 896-0355 Wave Washer
KS-045 896-0165 Fiber Spacer
KC-041 896-0209 C-Type Clip Ring
KW-041 896-0167 Wave Washer
KS-091 896-0210 Spacer
YSF21-103 896-0002 Countersunk Head Screw
KA20-107 896-0356 Armature
KF-220 896-0357 Dust Proof Collar
KF-210 896-0011 Dust Proof Collar
Part# Item# Description
1340ZZ 510-3094 Ball Bearing
1030ZZ 510-3073 Ball Bearing
S-10 896-0012 O-Type Rubber Ring
KS-101 896-0013 Teflon Spacer
HE10A-203 896-0014 Rear Lid
PKE60-103A 510-0161 Carbon Brush ( 2 pcs)
UM20-202 896-0321 Brush Side Lid
YSP23-103 896-0017 Pan Headed Screw
ON10-204 896-0015 O-type Rubber Ring
BS33-214 896-0358 Motor Cap
KE-126 896-0018 (+) Terminal Plate
KE-127 896-0019 (-) Terminal Plate
KE-209 510-0171 Motor Cord with Plug
YSR21-101 896-0359 Countersunk Head Screw
BS33-766 896-0360 Handgrip
BS33-114 896-0361 Handgrip Retaining Nut
BS33-209 — Grounding Pin
YSR31-102 896-0119 Handgrip Locking Screw
KU-245 896-0122 Gesswein Name Plate
RE1-204F 896-0121 DC30V Name Plate
Changing & Inspection Of Armature (Fig. 5)
Check carefully if the commutator of the armature is worn
out. Replace armature if necessary.
Changing & Inspection Of Driving Pulley
Complete (Fig. 5)
Remove the E-ring (ETW-2). Then remove Driving Pulley
Complete (BS-33-260) out from motor by turning to counter
clockwise direction. Inspect the Driving Pulley and replace if
necessary.
Armature
Cummulator of
the Armature
E-ring
Driving Pulley
Complete
8914033/5102131/0119
Instructions for Repairing Powerhand BZX Sander
Fig. 5
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