Makita 9523NB Manual

9523NB
Continuous Rating (W)
Voltage (V) Current (A) Cycle (Hz) Input Output Max. Output(W)
100 5.7 50/60 540 300 630
115 5.0 50/60 540 300 630
200 2.9 50/60 540 300 630
220 2.6 50/60 540 300 630
230 2.5 50/60 540 300 630
240 2.4 50/60 540 300 630
Max. capacity : Depressed center wheel 100 (4")x l6 (l/4")x 6 (l/4")
No Load Speed 11000 R/min.
Net Weight 1.4kg (3.1 l bs)
256 (10-1/8")
111 (4-3/8")
118 (4-5/8")
CONCEPTION AND MAIN APPLICATIONS
Specifications
Standard equipment
Lock nut wrench 20
Depressed center wheel 100-36
Optional accessories
Depressed center wheel 100-24 Rubber Pad 76 Lock nut 10-30
Abrasive discs 100-24, 30, 50, 80,100, 120 Cut-off wheel 100
Wire cup brush 75
Wire bevel brush 85
Grip 36
Features and benefits
The standard equipment for the tools shown may differ form country to country
Model 9523NB is the angle grinder designed for professional
users and its brief benefits are;
*Slimmer body loaded with more endurable new motor
(type S55)
*Labyrinth structure seals out dust from ball bearings
*Comfortable slide switch
This model is manufactured in MCC.
100 mm Ang1e Grinder
1.Double insulated
2.See the attached sheets for more information.
Models No.
Description
New Tool
TECHNICAL INFORMATION

Extremely quiet (to see the following comparison of no load noise)
Makita 9523NB:83dB
Hitachi G10SF :88dB (total noise of three 9523MB's = noise of one G10SF
Slim/trim body 56mm wide
for easy, comfortable gripping thanks to the slim but
endurable S55-type motor
Labyrinth structure
to protect ball bearings from dust
More endurable motor:
Armoured wite special varnish
on armature coil and taping
on field coil for protection
against dust and wire snap
Housing
Armature
Labyrinth structure
Diameter of field core
S55-type N55-type
for
N9501B
9540
ø55
42.5 48
ø55
( )

(1) Replacing of armature
1) Disconnect the wheel and wheel cover, respectively.
2) Disconnect the carbon brush.
3) Disconnect the tapping screw PF5x25 for holding the gear housing and motor housing and then remove the
armature.
4) To disassemble the armature from the gear housing, depending on the
position its sometime hard to pull out the armature due to touching
between the protrusion of circle clip and spiral bevel gear 36. In such
a case slightly turn the armature to slide it before disassembling.
Repair
Carbon brush
Holder cap
Motor housing
Bearing retainer
Gear housing
Tapping screw PF5X25
Spiral bevel gear 36
Protrusion of circle clip

(2) Replacing of the spiral bevel gear 36
1) Disconnect the wheel and wheel cover, respectively.
2) Disconnect the tapping screw CT4x16 for holding the bearing box.
3) Since the spiral bevel gear is just inserted into the spindle, assemble/disassemble as shown on the below
figure.
ø21 (7/8")
Bearing box
Spiral bevel gear 36
inner dia more than 13mm
outer dia more than 32mm
Ring plate for repair
Use Arbar press and press the shaft
Spindle complete
Disassembling Assembling
inner size diameter
higher than 50mm
higher than 15mm