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Makita GA5010 Technical Information

125mm 5" / 150mm 6"
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T
ECHNICAL INFORMATION
Model No.
Description
C
ONCEPT AND MAIN APPLICATIONS
These four models have been developed as successor models
of 9005B/9006B.
Features durability higher than 9005B/9006B but still the compact
motor housing with circumference smaller than the predecessors.
Also the following optional accessories will provide more comfort
and control:
*Anti-vibration grip for comfortable work
*Toolless wheel cover for quick adjustment
*Dust cover attachment
Models GA5020/GA6020 feature Super Joint System (SJS).
S
pecification
Voltage (V)
110
120
220
230
240
Model No.
Wheel size:
mm (")
No load speed: min.
Super Joint System (SJS)
Electric brake
Protection against electric shock
Power supply cord: m (ft)
Net weight: kg (lbs)
S
tandard equipment
Lock nut wrench 35 .............. 1 pc
Lock nut wrench 28 .............. 1 pc
Depressed center wheel ......... 1 pc (125-36 for GA5010 and GA5020, 150-36 for GA6010 and GA6020)
Side grip ................................ 1 pc
Note: The standard equipment for the tool shown above may differ from country to country.
O
ptional accessories
Anti-vibration grip, Dust cover attachment, Loop handle, Toolless wheel cover
GA5010, GA5020: Accessories for 125mm angle grinder
GA6010, GA6020: Accessories for 150mm angle grinder
GA5010/GA6010, GA5020/GA6020
Angle Grinders 125mm (5") /150mm (6")
Cycle (Hz)
Current (A)
10
50/60
10.5
AC: 50/60/ DC
5.0
50/60
4.8
50/60
4.6
50/60
GA5010
Diameter
Hole diameter
rpm
-1 =
No
No
H
Model No.
Length (L)
Width (W)
Height (H)
Model No.
Length (L)
Width (W)
Height (H)
Continuous Rating (W)
Input
1,050
---
1,050
1,050
1,050
GA5020
125 (5)
22.23 (7/8)
11,000
Yes
Yes
(North America only)
Double insulation
Australia, Brazil: 2.0 (6.6), Other countries: 2.5 (8.2)
2.2 (4.8)
L
W
Dimensions: mm (")
GA5010
356 (14)
139 (5-1/2)
112 (4-3/8)
Dimensions: mm (")
GA5020
356 (14)
139 (5-1/2)
120 (4-3/4)
Max. Output (W)
Output
700
1,600
900/ 1,000
1,600/ 1,850
700
1,700
700
1,700
700
1,700
GA6010
GA6020
150 (6)
10,000
No
No
(North America only)
PRODUCT
P 1/ 9
GA6010
169 (6-5/8)
GA6020
169 (6-5/8)
Yes
Yes

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Summary of Contents for Makita GA5010

  • Page 1 Lock nut wrench 35 ....1 pc Lock nut wrench 28 ....1 pc Depressed center wheel ..1 pc (125-36 for GA5010 and GA5020, 150-36 for GA6010 and GA6020) Side grip ........ 1 pc Note: The standard equipment for the tool shown above may differ from country to country.

  • Page 2: Necessary Repairing Tools

    Lubricate the parts below in order to protect parts and product from unusual abrasion. All models: Put approx. 15g of Makita grease SG No.0 in the gear room of Gear housing. GA5020/ GA6020: Apply Makita Grease SG No.0 to the portions designated with the mark of .
  • Page 3 P 3 / 9 epair [3] -1. Armature, Small spiral bevel gear, Ball bearing 6000DDW (cont.) DISASSEMBLING 3) Attach one set of 1R039 to vise, then fix Armature in 1R039. Remove Hex nut M7 from the drive-end of Armature shaft by turning it counterclockwise with Wrench 11. (Fig. 3) 4) Hold Small spiral bevel gear by hand, then pull off Armature from Gear housing.
  • Page 4 Ball bearing in Bearing box* *3: Different spiral bevel gears are used by different models as follows: GA5010/ Spiral bevel gear 34A, GA5020/ Spiral bevel gear 34B GA6010/ Spiral bevel gear 35A, GA6020/ Spiral bevel gear 35B *4: Different ball bearings are used by different models as follows:...
  • Page 5 P 5 / 9 epair [3] -2. Large spiral bevel gear and Ball bearing in Bearing box (cont.) DISASSEMBLING GA5020/ GA6020 3) Remove Ring spring 7 from Spindle by levering up with slotted screwdriver while expanding the ends of the spring a little bit with 1R004 or 1R291.
  • Page 6 [3] -2. Large spiral bevel gear and Ball bearing in Bearing box (cont.) ASSEMBLING GA5010/ GA6010 Do the reverse of the disassembling steps. Note 1: Ball bearing 6202DDW is damaged whenever Large spiral bevel gear is removed from Spindle.
  • Page 7 P 7 / 9 epair [3] -3. Shaft lock section DISASSEMBLING 1) Remove Bearing box from Gear housing. (Fig. 9 on page 4) 2) Shoulder pin 5 can be removed from Gear housing using 1R268, 1R350 and plastic hammer as illustrated in Fig. 20. Fig.
  • Page 8 P 8 / 9 ircuit diagram When Terminal block is used Fig. D-1 Color index of lead wires' sheath Black Yellow Orange Terminal block Switch Field When Terminal block is not used Fig. D-2 Color index of lead wires' sheath *Noise suppressor is not used for some country.
  • Page 9 P 9 / 9 iring diagram [2] Handle When Terminal block is used Fig. D-4 Fix the following lead wires with Lead wire holder: *two Field lead wires (yellow, orange) *one Lead wire (black) from Brush holder Bend Insulated terminals on the Lead wires Put Terminal block connected to Switch in order to prevent them in this portion.

This manual is also suitable for:

Ga6010Ga5020Ga6020