Page 1
T
ECHNICAL INFORMATION
48813
Subject
For Models
Description
Change on impact bolt, cylinder liner complete, etc.
HR3520B, HR3520, HR3521, HR3510, HR3511 and HR3501 (Rotary Hammer)
1. For Model HR3520B only
The impact bolt will be changed as shown in the figures below.
The steel balls 7.9 will be discontinued.
Current New
Steel ball 7.9
Hole for steel ball
2. For Model HR3520B only
The cylinder liner complete will be changed as shown in the figures below.
Spline
Current New
Groove
3.For all the above models
The striker will be changed as shown in the figures below.
To differentiate the new type from the current type, a line will
be added to the new type striker.
Current New
ø18.2mm (23/32")
ø17.4mm (11/16")
A line will be added.
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Interchangeability(I/C)
Item No.
038
037
007
008
Impact bolt
322217-8
Cylinder liner complete
152337-2
Striker
322197-8
Steel ball 7.9
216004-4
Note
1. For Model HR3520B only
The current type parts and the new type parts are interchangeable
as a set of all the above parts.
2. Interchangeability mark:
<= mark indicates that the new type part can be substituted for
the current type part.
Implementation
HR3520B: From serial No. 17899E
HR3520 : From serial No. 91210E
HR35221, HR3510, HR3511 and HR3501: Discontinued
Curret part
Q'ty
1
1
1
3
I/C
Impact bolt
No
322805-1
Cylinder liner complete
No
152493-8
Striker
<=
322806-9
New part
Q'ty
1
1
1
Note
For HR3520B
For HR3520B
For all the
above models
For HR3520B
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