P 6/ 19
R
epair
[5] DISASSEMBLY/ASSEMBLY
[5]-2. Tool holder section
DISASSEMBLING
(1) Disassemble Chuck section as illustrated in Figs. 5 and 6.
(2) Disassemble Tool holder section together with Cylinder section as illustrated in Fig. 7.
(3) Separate Tool holder section from Cylinder section as illustrated in Fig. 8.
Disassemble Crank housing
cover and Barrel complete.
M6x25 Hex socket
head bolt (4pcs.)
M4x16 Hex socket
head bolt (1pc.)
Barrel
complete
Crank housing cover
Cylinder
section
Tool holder
section
Disassemble Tool holder section from Barrel
complete together with Cylinder section by
striking Tool holder.
Pin 6 joining Tool holder
to Cylinder 25 (4pcs.)
Ring 38
Flat washer 39
1. Remove Ring 38,
Urethane ring 38 and
Flat washer 39.
2. Apply magnetized
Screwdriver to Pin 6,
Screwdriver
magnetized
with 1R288
Urethane ring 38
Pin 6 (4pcs.)
Cylinder 25
Pin 6
Tool holder
Tool holder
Cylinder 25
3. Align Tool holder's hole
with that of Cylinder 25
by pushing Tool holder.
4. Remove Pin 6 with
magnetized Screwdriver
when the both holes are
aligned each other.
Remove Tool holder and Striker
from Cylinder 25. And then, pull
out Impact bolt, Ring 13 and Rubber
ring 13 from Tool holder.
Tool holder section
Impact bolt
Ring 13
Rubber
ring 13
Cylinder section
Striker
Fig. 7
Fig. 8
Impact bolt
O ring 19
Fig. 9
(4) If O ring 19 (black) can be seen through the worn Fluoro carbon resin ring 24 as illustrated in Fig. 9, all the Rings on
Impact bolt have to be replaced by new ones.
Fluoro carbon resin ring 24
(the worn one)
O ring 19
(black)