Makita 9541 User manual
TECHNICAL INFORMATION
9541
New Tool
CONCEPTION AND MAIN APPLICATIONS
Standard equipment
Optional accesories
Lock nut wrench 35
Grip 36 assembly
Depressed center wheel 115-36
Inner flange 47 assembly ( Super flange)
Diamond wheel 115 ( high quality)
Rubber pad 100
Lock nut 14-48 (for Abrasive disk)
Abrasive disk 115-24, 30, 50, 80, 120
Specifications
Voltage (V)
Speed at no load 10,000 P/min
Motor Series commutator motor
mm ( inch) Outer dia. 115 x Inner dia. 22.23 x Thickness 6
(4-1/2" x 7/8" x 1/4")
Attaching tool size Grinding wheel
Current(A) Frequency
(Hz) Max. output(W)
100 9.0 50/60 850 390 1,070
900 450 1,330
900 450 1,330
900 450 1,330
900 450 1,330
900 450 1,330
115
200
220
230
240
8.2
4.7
4.3
4.1
3.9
50/60
50/60
50/60
50/60
50/60
Consuming
power(W) Nominal
output(W)
Models No.
Description 115mm Disc Grainder
The 115mm Disk grinder, one-hand type, of which accent is on cutting
off works,developed in pursuit of improving power, dust-proof,
vibration-proof, and cooling motor.
305(12")
139(5-1/2")
117(4-5/8")
( For general export, No wheel attached)
Repair
1. Various Tapping screws
1) As Tapping screws are used in the Machine, do not fasten by Air diver orImpact driver.
2. Exchange of Armature
1) Remove Wheel and Wheel cover each.
2) Remove Carbon brush.
3) Remove Tapping screw PT5x30 fixing Gear housing cover to Motor housing.
4) Insert Driver into grooves for Driver between Gear housing cover and Motor housing, and pick out Armature.
5) Regarding removal of Spiral bevel gear, refer to the item of Gear.
6) When installing Armature in Gear housing, put Concave of Gear housingtogether with Convex of Gear housing
cover and insert them.
Gear housing(concave)
PT5x30 (Tapping screw)
Carbon brush
Holder cap
Gear housing cover (convex) Grooves for Driver
3. Exchange of Spiral bevel gear 10
1) According to the exchange way of Armature in the above 2, take out Armature.
2) Make Armature nipped by Vise lightly, wrap it by ragto prevent from damage,nip the wrapped by plier , and loosen
Screw.
Armature axis and Inside of Gear are fixed by Right-handed screw (normal screw), and Gear is screwed directly to
Armature
3) In installing Gear, be sure to screw surely in the same way as 2)
4. Exchange of Spiral bevel gear 38
1) Remove Wheel and Wheel cover respectively.
2) Remove Screw M4x16 fixing Bearing box complete by Driver.
3) Spiral bevel gear 38 is just press-fit in Spindle. Disassemble and assemble as shown in the illustration below.
Loosen
Tighten
Wrap by rag and nip by Plier Insert lightly in Vise
Press Spindle end face by Arbor press of 15" or more
Existing Ring
70more
12more
Wrap by rag
Disassembly Assembly
Ø23~Ø25
Ø14
5. Exchange of Field
1) According to the exchange way of Armature in the above 2), take outArmature.
2) Get rid of Baffle plate and remove Field fixing screw(PT4x70).
3) As there is no Lead wire, you can take Field out then.
6. Exchange of Power supply cord
1) Remove Rear cover L and R each ( See the above illust ration).
2) Remove Strain relief fixing screws (BT4x18).
3) Pull out Connector body by hand.
4) Power supply cord for repair as a set of Connector bo dy and Cord guard is notavailable. Power supply cord on th e
market is usable. As Cord connectingscrew(M3, 5x7) and Cla mp washer are equipped in a Cord, connect the
corewire to them by stranded wire rolling.
5) You can use again Strain relief and Cord guard attac hed to the old cord whenexchanging Power supply cord.
7. Exchange of Switch and Noise suppressor
1) Remove Rear cover L and R each.
2) As a plug is used for the connection of Switch and No ise suppressor each, pullthem out moving the locks for
removal .
PT4x 70 (Tapping screws)
Field Rear cover R
Rear cover L
Connector body
Switch block
Switch Noise suppressor
Lock
Connecting screw of Power supply cord for
repair and Cramp washer
BT4X18
(Cord cramp fixing bolts)
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