P 2/ 11
R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -1. Bit holder section
[1] NECESSARY REPAIRING TOOLS
[2] LUBRICATION
CAUTION: Repair the machine in accordance with “Instruction manual” or “Safety instructions”.
Code No.
Description
Use for
1R004
Retaining ring pliers ST-2
disassembling Bit holder section
disassembling Bit holder section
disassembling / assembling Oil seal 12 from / to Unit case complete
1R250
assembling Ball bearing 6801LLU to Unit case complete
1R286
1R291
Retaining ring S and R pliers
253804-1 Flat washer 6
Round bar for Arbor 12-50
Round bar for Arbor 26-100
removing Ball bearing 6801LLU, Oil seal 12 from Unit case complete
DISASSEMBLING
1R004 or
1R291
Ring spring 10
Disassemble Bit holder section as drawn in
Fig. 2
.
Note
: Bit holder section can be disassembled without removing Bumper, Unit case cover.
1. While expanding the end gap of Ring spring 10 with
1R004 or 1R291, raise the spring from the opposite of
the expanded side with your finger.
Note
: Press the top of Bit sleeve with thumb to prevent
Compression spring 11 from popping out and away.
2. Bit holder section can now be removed
as shown below.
Bit sleeve
Compression spring 11
Flat washer 11
Apply
Makita grease FA No.2
to the following portions designated with the black triangle to protect parts and product
from unusual abrasion.
Assemble Bit holder section by reversing the disassembly procedure. (Refer to
Fig. 2
.)
Fig. 1
Fig. 2
Item No.
Description
Carrier complete
Ball bearing 6806LLU
Oil unit complete
Spur gear 22 (3 pcs.)
Internal gear 51
Teeth portion
a little
Teeth portion
1g approx.
Amount
Portion to lubricate
Unit case complete
Bit sleeve
Ring spring 10
Steel ball 3
(2 pcs.)
ASSEMBLING
19
17
19
17
17
17
