STANDARD & HEAVY DUTY MECHANISMS
STANDARD IMPACT & HEAVY DUTY IMPACT
MECHANISMS IN DETAIL
When ordering impact mechanism parts, first determine which mechanism you have by visually inspecting the
following two parts indicated by the arrows (A: Hammer Case, B: Anvil).
STANDARD MECHANISM
HEAVY DUTY MECHANISM
Note the difference in the Hammer
Case (A) when ordering.
20 ► IW12 User Manual
A
A
55
55
B
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.
B