Maktec MT954 Manuale

Model No.

Description

PRODUCT

TECHNICAL INFORMATION

CONCEPT AND MAIN APPLICATIONS

P 1/ 5

Specification

Standard equipment

Dimensions: mm (")

Width (W)

Height (H)

Length (L) 256 (10-1/8)

92 (3-5/8)

118 (4-5/8)

Note: The standard equipment for the tool shown above may vary by country.

MT954

Angle Grinder 100mm (4”)

Continuous Rating (W)

Voltage (V) Cycle (Hz) Input Output Max. Output (W)

110 570

570

350

650

100 (4)

16 (5/8)

6 (1/4)

2.0 (6.6)

1.5 (3.3)

Current (A)

5.5

220 2.7

50/60

570 350 650

230/ 240 2.5 50/60

No load speed: min.-1 = rpm.

Diameter

Thickness

Hole diameter

Wheel size: mm (")

Cord length: m (ft)

Net weight: kg (lbs)

12,000

Protection from electric shock by double insulation

Lock nut wrench .............................. 1

MT954 is a 100mm (4”) angle grinder with rear position toggle switch type.

Developed as the predecessor model of MT950, featuring reduction

of gear noise.

Repair

P 2/ 5

< 1 > Lubrication

Apply Makita grease N. No.1 to the following portions marked with black triangle to protect

parts and product from unusual abrasion.

< 2 > Assembling and disassembling

( 1 ) Disassembling armature and straight bevel gear 14.v

1. Detach grinding wheel by unscrewing lock nut. And then, remove inner flange and wheel cover. See Fig. 1.

Gear housing

Apply 10g of N Makita grease

into gear housing.

2. Take of brush holder cap and carbon brush from motor housing. See Fig. 1.

3. Separate gear housing from motor housing by unscrewing 4 pcs. of pan head screws M4x16. Pull out armature

from motor housing. See Fig. 1.

4. Holding armature body firmly with your hand, unscrew hex nut M6 with wrench 10. Then, straight bevel gear 14

can be separated from armature. See Fig. 2.

5. Disassemble ball bearing 6000ZZ with No. 1R269 "Bearing Extractor (small)". Then armature can be separated

together with flat washer 9, from bearing retainer 69. See Fig. 2.

Pan head screw M4x16

Wheel cover

Gear housing

Brush holder cap

Carbon brush

Inner flange

Lock nut 10-30

Grinding wheel

M4x16 Pan head

screws (4 pcs.)

Armature

Motor housing

Bearing retainer 69

Fig. 1

Hex nut M6 : Unscrew with wrench 10.

Straight bevel

gear 14

Ball bearing 6000ZZ : Disassemble with No. 1R269

"Bearing Extractor (small)".

Bearing retainer 69

Flat washer 9

Armature

Fig. 2

( 2 ) Assembling armature and straight bevel gear 14.

1. Assemble bearing retainer 69 to armature. See Fig. 3.

2. Assemble flat washer 9. See Fig. 3.

3. Assemble ball bearing 6000ZZ by pressing with arbor press. See Fig. 3.

4. Fasten straight bevel gear 14 to armature with hex nut M6. See Fig. 3.

( 3 ) Disassembling straight bevel gear 35.

1. After removing lock nut, grinding wheel, inner flange and wheel cover, unscrew 4 pcs. of pan head screws

M4x16. Then, gear section can be separated from gear housing.

2. Holding the flat portion of spindle with vice, unscrew hex nut M10. Then, straight bevel gear 35 can be

disassembled from spindle. In this process, no need to use arbor press for disassembling spindle.

Hex nut M6 : Unscrew with wrench 10.

Straight bevel

gear 14

Ball bearing 6000ZZ : Disassemble with No. 1R269

"Bearing Extractor (small)".

Bearing retainer 69

Flat washer 9

Armature

Fig. 3

5. Assemble the above armature to motor housing.And assemble gear housing to the motor housing, and then

fasten the gear housing with 4 pcs. of pan head screws M4x16. See Fig. 4.

6. Assemble carbon brushes and fasten them with brush holder cap. See Fig. 4.

Brush holder cap

Carbon brush

Pan head

screws M4x16 : 4 pcs.

Armature

Motor housing

Bearing retainer 69

Fig. 4

4 pcs. of pan head

screws M4x16

Hex nut M10

Straight bevel gear 35

Repair

P 3/ 5

Circuit diagram

Wiring diagram

Color index of lead wires

Black

White

Blue

Power supply cord

Switch

Field

Terminal

block

Noise suppressor

Blue or white Black or brown

The following lead wires have to be passed

outside of the lead wires to be connected to

brush holder, respectively.

* Field lead wire (white) to be connected to switch

* Field lead wire (black) to be connected to terminal

block

The insulated terminals have to be

connected with switch terminals as

illustrated in Fig. B.

Fix the lead wire (blue or white) of power supply cord,

with lead holder as illustrated in Fig. B.

Field lead wire (white)

to be connected to switch

Field lead wire (black)

to be connected to

terminal block

Lead wires (white) to be

connected to brush holder

Lead wires (black) to be

connected to brush holder

Power supply cord

Strain relief

Terminal block Switch

Insulated

terminal connected

with switch terminal

Fig. A

Fig. B

Lead holder

View from A

P 4/ 5

Wiring diagram

Field lead wire (white)

to be connected to switch

Fix the following lead wires with

the slit of support as illustrated in Fig. C.

* Field lead wire (white)

to be connected to switch

* Field lead wire (white)

to be connected to switch

If noise suppressor is assembled,

set it in the position illustrated in

Fig. D.

Assemble terminal block to the position illustrated in

Fig. E.

Fix the following lead wires to be connected to

terminal block, with lead holder. See Fig.F and F-1.

* Field lead wire (black)

* Noise suppressor lead wire (black)

Field lead wire (black)

to be connected to terminal

block

Fig. C

Fig. D

Fig. E

Fig. F

Slits of

support

View from B

View from C

Field lead wire (black) to be

connected to terminal block

Noise suppressor lead wire (black)

to be connected to terminal block

Noise suppressor lead wire (black)

to be connected to switch

Noise

suppressor

Power supply cord

Switch

Terminal block

Support

Terminal block

Switch

Noise suppressor

Lead holder

Noise suppressor

lead wire (black)

Fig. F-1

Field lead wire (black)

P 5/ 5

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