P 2/ 9
R
epair
CAUTION: Unplug the tool and remove the wheel cover and grinding wheel from the machine
for safety before repair/ maintenance in accordance with the instruction manual!
[1] NECESSARY REPAIRING TOOLS
[2] LUBRICATIONS
[3] DISASSEMBLY/ASSEMBLY
[3]-1. Armature, Spiral Bevel Gear 11 on Armature shaft
Fig. 1
Code No.
Description
Use for
1R217
Ring 22
Supporting Bearing box when Removing spindle from Spiral bevel gear 38
1R041
Vise plate
Use with Vise to protect the clamped part
1R268
Spring pin extractor 3
Removing Pin for Shaft lock
1R269
Bearing extractor
Removing Ball bearing 627DDW from Armature of commutator end
1R291
Retaining ring S & R pliers Removing / mounting Retaining ring S-12 from / to the drive end of Armature
shaft
1R340
Bearing retainer wrench
Removing / mounting Bearing retainer
1R350
Ring 60
Supporting Gear housing when removing Pin for Shaft lock
Item No.
Apply Makita grease SG No.0 and Disulfied molybdenum to the following portions designated with triangles to protect
parts and product from unusual abrasion.
Description
Portion to lubricate
Lubricant
Amount
DISASSEMBLING
3
M6 Hex. nut
Flat washer 6
6
7
6
7
Lock ring 12
Armature
3
Gear housing complete Gear room
Cylindrical portion where armature shaft
is inserted
Cylindrical portion which accepts 6 ‘s drum
portion
Makita grease SG No.0.
Spiral bevel gear 11
15g
a little
Disulfied molybdenum
(1) In order to protect Armature’s commutator, disconnect carbon brushes from the Commutator as illustrated in
Fig. 2
.
4x18 Tapping screw
First, remove Rear cover by unscrewing
4x18 Tapping screw.
Shift Spiral spring from
Carbon brush top.
Disconnect Carbon brush from
commutator by pulling up.
No need to remove.
Rear cover
Brush holder
Fig. 2
