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TECHNICAL INFORMATION
Subject Change of Chuck
56730B
(Page 1 of 2)
For Models HR2410, HR2420
Country All countries
Description As illustrated below, Chuck has been changed for improvement of installing bit.
HR2410
Current New
154.5mm 134.0mm 24.0mm 089 158.5mm
001 003 004 009 (016) (017) 038 018 021 001 003 083 084 085 086 087 088 004 090 009
153.0mm 31.0mm
(016) (017) 018 021
Turn-and-Push Type Chuck One-touch-Sliding Chuck
HR2420
Current New
154.5mm 134.0mm 24.0mm 088 158.5mm
001 004 005 010 (017) (018) 049 019 022 001 004 082 083 084 085 086 087 005 089 010
153.0mm 31.0mm
(017) (018) 019 022
Turn-and-Push Type Chuck One-touch-Sliding Chuck
Note
Impact Bolt (Item No. 021 for HR2410, 022 for HR2420) should be put in the place as illustrated below.
Impact Bolt
Leaf Spring 26 (Item No.088 for HR2410, 087 for HR2420) can be removed by retaining ring plier.
Steel Ball 7.0 (Item No.016 for HR2410, 017 for HR2420) and 4 pieces of Steel Ball 5.6 (Item No.017 for HR2410,
Item No.018 for HR2420) have not been changed.
56730B
(Page 2 of 2)
Interchangeability(I/C)
Item No. Current part Q'ty New part Q'ty Note
001 Cap 37
1
286251-1
HR2410: 003 Change Ring Cover
1
HR2420: 004 415076-8
HR2410: 004 Change Ring Complete
1
HR2420: 005 152470-0 The current
HR2410: 009 Gear Housing Complete Gear Housing Complete remains
1 1
HR2420: 010 159759-7 150965-7 available
HR2410: 038 Roller 7
2
HR2420: 049 322517-6
HR2410: 018 Tool Holder Tool Holder
1 1
HR2420: 019 322744-5 323822-4
HR2410: 021 Impact Bolt Impact Bolt
1 1
HR2420: 022 322739-8 323818-5
Cap 31
001 1
286248-0
HR2410: 003 Chuck Cover 1
HR2420: 004 416410-5 Interchangeable
HR2410: 083 Compression Spring 38 as a set
1
HR2420: 082 233203-3
HR2410: 084 Ring Spring 17
1
HR2420: 083 231979-6
HR2410: 085 Ring Spring 30.5
1
HR2420: 084 231936-4
HR2410: 086 Spring Guide 1
HR2420: 085 323819-3
HR2410: 087 Compression Spring 35
1
HR2420: 086 233234-2
HR2410: 088 Leaf Spring 26
1
HR2420: 087 232190-3
HR2410: 089 Pin 8
1
HR2420: 088 256447-8
HR2410: 004 Chuck Ring 1
HR2420: 005 323820-8
HR2410: 090 Guide Washer 1
HR2420: 089 344690-2
Implementation
HR2410: From serial No.307624E (Oct.,1998).......Except China
From Nov.,1998........................................China
HR2420: From serial No.12261E (Oct.,1998).........Except U.S.A.
From serial No.12195E (Nov.,1998).........U.S.A.