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T ECHNICAL INFORMATION
Models No. 9403
New Tool
Description 100mm belt sander
CONCEPTION AND MAIN APPLICATIONS
Model 9403 is a handy and convenient belt sander that inherits models
9401 and 9402. Sanding efficiency and capacity of dust collection have
been raised as well as noise and weight have been lowered.
Power consumption is 1200W,
and belt dimensions are 100mm(4") wide and 610mm(24") long.
211 (8 3/4")
)
2"
1/
(6
4
16
/8")
Specifications 353 (13 7
Continuous Rating (W) Max.
Voltage (V) Current (A) Cycle (Hz) Input Output Output(W)
100 13 50/60 1200 520 1250
110 11 50/60 1200 520 1250
120 11 50/60 1200 520 1250
220 5.7 50/60 1200 520 1250
230 5.5 50/60 1200 520 1250
240 5.3 50/60 1200 520 1250
Belt speed 500m/min (1.640 ft/min)
Belt size 100mm (4") x 610mm (24")
Net weight 5.9kg (13.1lbs)
Power supply cord 5m (16.4ft)
Standard equipment
Dust bag ass'y ---------------- 1pc.
Abrasive belt AA80 --------- 1set (5pcs.)
Optional accessories
Abrasive belt, AA and CC each of #40, #60, #80, #100, #120, #150, #180, #240
Carbon plate,
Hose complete 28-1.5,
Hose complete 28-3.0,
Joint 25
Steep rise in sanding efficiency
Low noise
Direction of cooling air
does not blow on operator's
face nor the cut powders
will not spatter.
Power supply cable can be hung
on operator's shoulder.
Light weight as well as
improved efficiency
Large sanding efficiency
Dust bag can be turned 360
can be gained only with
degrees around so it does not
machine's own weight.
disturb operation, and also it can
(Data of efficiency graph
be connected with dust catcher
were recorded when
via a hose 28.
sanding had been done
with machine's own
weight only.)
Round front grip fits
comfortably
The machine has been designed
Improved dust collection efficiency to be applicable to flush sanding
reduces spattering of powdered dust. work (sanding on the wall).
Labyrinth structure is provided in ball
bearing section
(front and rear of motor, dust catcher fan)
This prevents powdered dust from entering
the machine and the durability of the
bearing is extended twice as long as before.
Good balance in weight
Center of gravity is positioned
on the center of abrasive belt and
the machine's weight equally
applies to the belt surface so that
an uniform sanding finish quality
can be made.
Repair
(1) Replacement of armature
Dust collector cover
a) Unscrew tapping screws; two PT4x45 and one PT4x18 (one
CT4x40 in model 9403, and one CT4x16 in model 9921). Remove
dust collector cover and separator so that dust collector fan 80
appears.
Tapping
screw PT4x18
Two tapping One tapping screw
screws PTx45 CT4x40 for model 9403
One tapping screw
CT4x16 for model 9921
b) Unscrew tapping screw CT4x16 and remove belt cover.
c) Take off holder cap and remove carbon brush.
d) Remove synchro-belt 9-354.
One tapping
Belt cover screw CT4x16
e) Turn pulley 10-24.1 clockwise and remove it.
(Note that the pulley 10-24.1 is fixed with a left-handed screw so
Carbon brush
do not turn it counterclockwise.)
Holder cap Synchro-belt 9-354
Pulley 10-24.1
f) Unscrew cross-slot pan-head screw M5x12 that fixes dust collector Pan-head screw M5x12
fan 80, and remove fan 80.
g) Remove two tapping screws PT4x18 which fix dust collector
Tapping
bracket so that armature can be taken off together with dust screw
collector bracket. PT4x18
Tapping screw Fan 80 Dust collector
PT4x18 bracket
(2) Removal of driving roller
a) Remove belt cover and synchro-belt 9-354 with the same
procedures as the replace of armature.
Gear cover
b) Unscrew three tapping screws CT4x16 and remove gear cover.
Tapping screw CT4x16
Helical gear complete Driving roller
c) Insert lock nut wrench 28 into two holes of helical gear 43
complete, and fix the helical gear complete. Use 24mm box
wrench to turn driving roller clockwise and the driving roller can
be removed.
Lock nut wrench 28 24mm box wrench
(3) Caution for replacement of edge slider complete
When assembling edge slider complete, be sure to install it so that
the ceramic plate side will be positioned inside as shown in the figure below.
Ceramic plate (white) Edge slider complete
Wiring diagram
[When terminal block is not used]
Power supply cord Switch
3 2
Noise suppressor
Field
Connector
[When terminal block is used]
Power supply cord Switch
3 2
Noise suppressor
1 1
Terminal block
Field
Noise suppressor is not used depending on countries.