Makita HR4501C Technical Information page 8

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -2. Tool Holder Section (cont.)
ASSEMBLY
3) After installing Fluoride ring 28 on the groove of Impact bolt, the Ring is stretched and its edges are protruding from
the groove. Correct the deformation as illustrated in Fig. 21.
Fig. 21
Before correction:
Rings' edges are protruding from
the top edge of the groove on
Impact bolt.
Fluoride ring 28
X ring 21
Groove on Impact bolt
4) Assemble Impact bolt section, and insert it into Tool holder. (Fig. 22)
5) Assemble Tool holder and Rings to Barrel complete. (Fig. 23)
6) Take the reverse step of Disassembly to do the further steps.
Fig. 22
Assembly of Impact Bolt Section
Face the chamfered
edge to Impact bolt.
Impact bolt Ring 19
Insert the assembled Impact
bolt section into Tool holder.
Assembly of Rings to Impact Bolt
O ring 23
Face the conical side
Face the chamfered Side
to Slide sleeve. to Shoulder sleeve 19.
Rubber Shoulder
Slide sleeve
ring 20 sleeve 19
Tool holder
Correction
Impact bolt
1R214
Insert Impact bolt from
the HR5001C side of
1R214 and keep it aprox.
60 seconds.
After correction:
Rings' edges are positioned
under the top edge of the
groove on Impact bolt.
Corrected
Fig. 23
Flat washers 36 (2 pcs.)
have to be assembled
to the both side of
Urethane washer 36.
Flat washer 36
Urethane washer 36
O ring 71
Barrel complete
Do not forget to mount O Ring 71
to Barrel complete.
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