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T ECHNICAL INFORMATION 56422
Subject Changes on Impact Bolt and Crank Housing Ass'y
For Models HM1100,HM1100C,HM1130 & HM1130C (Demolition Hammer)
Description As illustrated below, Impact Bolt has been changed for proper blow.
Crank Housing Ass'y has been changed and O Ring 32 has been removed for protection
against dust.
Current New
Impact Bolt
55.0 58.0
Crank Housing Ass'y
O Ring 32
Interchangeability(I/C)
Item No. Current part Q'ty I/C New part Q'ty Note
Impact Bolt Impact Bolt
20 1 <= 1
322906-5 323845-2 HM1100, HM1100C
Crank Housing Ass'y Crank Housing Ass'y
61 1 <= 1
134792-0 134875-6
O-Ring 32 HM1130, HM1130C
1
213459-4
Note
Interchangeability mark <= means the new part is substituted for the current part.
Implementation
HM1100 : From Serial No. 7135E (June,1998)
HM1100C: From Serial No.20157E (June,1998)
HM1130 : From Serial No. 2919E (June,1998)
HM1130C : From Serial No. 2006E (June,1998)