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IW12 User Manual ◄ 19
STANDARD IMPACT & HEAVY DUTY IMPACT
MECHANISMS IN DETAIL
STANDARD MECHANISM
HEAVY DUTY MECHANISM
When ordering Impact Mechanism parts, rst determine which mechanism you have by visually inspecting the
following two parts indicated by the arrows (A: Hammer Case, B: Anvil).
Note the difference in the Hammer
Case (A) when ordering.
NOTE: The Anvil (B) for a Standard Mechanism has
a tab on one end, while the Heavy Duty Anvil has a
round diameter on one end.
A
B
A
B
55
55
STANDARD & HEAVY DUTY MECHANISMS