R
epair
CAUTION: Repair the machine in accordance with “Instruction manual” or “Safety instructions”.
[1] NECESSARY REPAIRING TOOLS
[2] LUBRICATIONS
[3] DISASSEMBLY/ASSEMBLY
[3]-1. Drill Chuck
Code No.
Description
Use for
1R139
Drill chuck Extractor
removing / mounting Drill chuck
1R223
Torque Wrench Shaft 20-90N.m
1R224
Ratchet Head 12.7
1R231
1/4” Hex Shank Bit for M8
Apply the grease designated by Makita to the portions pointed with triangles to protect parts and product
from unusual abrasion.
DISASSEMBLING
Fig. 1
Item No.
Description
Lubricant
Amount
4.0 g
Portion to lubricate
Makita grease N No.1
Helical gear 35
5 14
Housing set
Amature drive gear and Helical gear 35
Armature
(1) Tighten 1R231 with Drill chuck and fix the machine to 1R139 as drawn in
Fig. 2
.
Fig. 2
1. Tighten 1R231 with Drill chuck firmly.
2. Set the machine to 1R139 by fitting its flat
portion of Spindle to the notch of 1R139.
1R231
1R231
Select suitable
size of Notch.
1R139
Flat portion of
Spindle
P
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9