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P 7/ 20
Repair
[3] DISASSEMBLY/ASSEMBLY
[3]-2. Barrel Section (cont.)
ASSEMBLING
X ring 21
O ring 23
Fluoride ring 28
(the worn one)
Impact bolt
In the following cases all the Rings on
Impact bolt have to be replaced.
* When carbon brush is replaced.
* O ring 23 (orange) shows hrough
the worn Fluoride ring 28.
Taper sleeve
(No.1R214)
Correction
Insert Impact bolt from
the HR5001C side of
the Taper sleeve. And
keep it aprox. 60 sec. in
the Taper sleeve.
Impact bolt
Assemble of Rings to Impact bolt
Before Correction:
Rings' edges are protruding from the top edge
of the groove on Impact bolt.
groove on Impact bolt
Fluoride ring 28
X ring 21
O ring 23
After Correction:
Rings' edges are positioned under the top
edge of the groove on Impact bolt.
Corrected
Fig. 13
(4) If the wearing away on Fluoride ring 28 is recognized in the step of Fig. 6, all the Rings on Impact bolt have to be
replaced as illustrated in Fig. 13.
1. Insert Impact bolt into
Tool holder mounted
in Barrel complete
2. Put Shoulder sleeves and
Rubber ring 24 onto the
Cylinder 40.
Shoulder sleeve
Cylinder 40 fits to this Concave.
3. Assemble Barrel complete
to Cylinder 40 while fitting
Tool holder to Shoulder
sleeve’s concave.
Tool holder in Barrel complete,
fits to this Concave.
The tail of Impact bolt is
passed through these holes.
Rubber ring 24
Shoulder sleeve
Cylinder 40
Fig. 14
(4) Assemble Barrel complete to Cylinder 40 as illustrated in Fig. 14.
Impact bolt
Barrel
complete
(5) Secure the Barrel complete with four M8x30 Hex socket head bolts and one M6x30 Hex socket head bolt
together with Barrel cover. Refer to the left illustration in Fig. 6.
Tool holder
Cylinder 40