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Makita GA5011 Technical Information
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Makita GA5011 Technical Information

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T
ECHNICAL INFORMATION
Model No.
Description
C
ONCEPT AND MAIN APPLICATIONS
These four models have been developed as sister models
of GA5010/GA6010 and GA5020/GA6020, featuring
Large type switch trigger.
Models GA5021/GA6021 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 GA5011 and GA5021, 150-36 for GA6011 and GA6021)
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
GA5011, GA5021: Accessories for 125mm angle grinder
GA6011, GA6021: Accessories for 150mm angle grinder
GA5011/GA6011, GA5021/GA6021
Angle Grinders 125mm (5") /150mm (6")
Cycle (Hz)
Current (A)
10
11
5.0
4.8
4.6
GA5011
Diameter
Hole diameter
rpm
-1 =
No
No
2.2 (4.8)
Continuous Rating (W)
Input
50/60
1,050
50/60
---
50/60
1,050
50/60
1,050
50/60
1,050
GA5021
125 (5)
22.23 (7/8)
11,000
Yes
Yes
(North America only)
Double insulation
Australia: 2.0 (6.6), Other countries: 2.5 (8.2)
2.3 (5.1)
L
H
W
Dimensions: mm (")
Model No.
GA5011
Length (L)
384 (15-1/8)
Width (W)
139 (5-1/2)
Height (H)
113 (4-7/16)
Dimensions: mm (")
Model No.
GA5021
Length (L)
384 (15-1/8)
Width (W)
139 (5-1/2)
Height (H)
120 (4-3/4)
Max. Output (W)
Output
700
900
700
700
700
GA6011
150 (6)
10,000
No
No
(North America only)
2.2 (4.8)
PRODUCT
P 1/11
GA6011
172 (6-3/4)
GA6021
172 (6-3/4)
1,600
1,600
1,700
1,700
1,700
GA6021
Yes
Yes
2.3 (5.1)

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Summary of Contents for Makita GA5011

  • Page 1 Lock nut wrench 35 ....1 pc Lock nut wrench 28 ....1 pc Depressed center wheel ..1 pc (125-36 for GA5011 and GA5021, 150-36 for GA6011 and GA6021) 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. Put approx. 15g of Makita grease SG No.0 in the gear room of Gear housing. Apply Makita Grease SG No.0 to the portions designated with the mark of .
  • Page 3 P 3 / 11 epair [3] DISASSEMBLY/ASSEMBLY [3] -2. Small Spiral Bevel Gear, Armature, Ball bearing 6000DDW DISASSEMBLY (1) Take the disassemble step as illustrated in Fig. 2 to 7. Fig. 2 Fig. 3 Fig. 4 5x25 Tapping Gear housing Carbon brush screws: 4 pcs.
  • Page 4 P 4 / 11 epair [3] DISASSEMBLY/ASSEMBLY [3] -2. Small Spiral Bevel Gear, Armature, Ball bearing 6000DDW DISASSEMBLY (2) Disassemble Ball bearing as illustrated in Figs. 8 to 9 / 9A / 9B. Fig. 9 Fig. 8 1R005 Retaining ring R-30 Flat washer 22 Ball bearing...
  • Page 5 [3] DISASSEMBLY/ASSEMBLY [3] -3A. Large Spiral Bevel Gear, Spindle, Ball bearing 6202DDW (GA5011, GA6011 without SJS) DISASSEMBLY (1) Separate Bearing box section, as illustrated in Figs. 2 and 3. (2) Disassemble Bearing box section as illustrated in Figs. 10, 11, 12 and 13.
  • Page 6 [3] DISASSEMBLY/ASSEMBLY [3] -3A. Large Spiral Bevel Gear, Spindle, Ball bearing 6202DDW (GA5011, GA6011 without SJS) ASSEMBLY Bearing box section is assembled as illustrated in Figs. 14 and 15. And assemble it to Gear housing. Refer to Figs. 2 and 3.
  • Page 7 P 7/ 11 epair [3] DISASSEMBLY/ASSEMBLY [3] -3B. Large Spiral Bevel Gear, SJS system, Ball bearing 6002DDW (GA5021, GA6021 with SJS) DISASSEMBLY (1) Separate Bearing box section, as illustrated in Figs. 2 and 3. (2) Disassemble SJS system and Ball bearing 6002DDW as illustrated in Figs. 16 to 20 / 20A. Fig.
  • Page 8 P 8 / 11 epair [3] DISASSEMBLY/ASSEMBLY [3] -3B. Large Spiral Bevel Gear, Spindle, Ball bearing 6002DDW (GA5021, GA6021 with SJS) DISASSEMBLY Fig. 20 Fig. 20A 1R246 Flat washer 15 Flat washer 15 Ball bearing Ball bearing 6002DDW 6002DDW If Ball bearing 6002DDW can not be Tap Bearing box on the table.
  • Page 9 P 9 / 11 epair [3] DISASSEMBLY/ASSEMBLY [3] -3B. Large Spiral Bevel Gear, Spindle, Ball bearing 6002DDW (GA5021, GA6021 with SJS) ASSEMBLY (3) Assemble Large spiral gear with SJS components to Spindle as illustrated in Fig. 24. Fig. 24 Ball bearing 696ZZ 1R030 Ring spring 7 Flat washer 8...
  • Page 10 P 10 / 11 epair [3] DISASSEMBLY/ASSEMBLY [3] -4. Shaft Lock Mechanism DISASSEMBLY (1) Remove Bearing box from Gear housing. And remove Carbon brush from Motor housing. (Fig. 2 and 3) (2) Separate Gear housing from Motor housing. (Fig. 4) (3) Remove Armature from Gear housing.
  • Page 11 Wiring of Motor housing Fix Field lead wire (black) and that of (white) with Pull out Field lead wires from the Lead wire holder, while tightening them in this area. opening of Makita logo side. Lead wire holder Insulated terminal Noise suppressor...

This manual is also suitable for:

Ga6011Ga5021Ga6021