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[3] DISASSEMBLY/ASSEMBLY
[3]-6. Impact bolt in Torque limiter section (cont.)
Repair
P 15/ 25
ASSEMBLING
Note: 2
Fig. 44A
Fig. 44B
Impact bolt A
(1) Assemble Impact bolt section to Tool holder (guide) complete as drawn in Fig. 44A/ 44B.
Impact bolt section in Tool holder complete for BHR242
Impact bolt section in Tool holder guide complete for BHR243
Sleeve 9B
Bit installation side Inner housing side
O ring case B with
O ring 9 fit inside
ø9mm
long short
ø9.5mm
Inner housing side
Fig. 45
Note: 1. Use an extra Piston cylinder as a jig. Never use Piston cylinder that is
to be assembled to the machine.
2. The end gap of Ring spring 28 must not be placed at the two holes of
Tool holder (guide) complete.
(2) Push Ring spring 28 into the inner groove of Tool holder (guide) complete as drawn in Fig. 45.
Note: Do not reuse the removed Ring spring 28 if it is deformed or damaged.
Piston cylinder
as a jig
Tool holder (guide)
complete
end gap
hole
hole
[cross-sectional view]
Ring spring 28
Tool holder Guide)
complete
end gap
Ring spring 28
[Correct] [Wrong]
Note: 1
Impact bolt B
Tool holder guide complete (140266-1)
Tool holder complete (140265-3)
Bit installation
side
Note: These components
are directional.
Note: These components
are directional.
Piston cylinder as a jig
Inner groove of
Tool holder (guide)
complete
Ring spring 28
O ring case B
Sleeve 9B Washer 10 Compression
spring 20
O ring case B with
O ring 9 fit inside
Washer 10 Compression
spring 20
[cross-sectional view]