Disassembling The Impactor - WORKMASTER GO-A8-PW Maintenance & Parts Manual

VIII. DISASSEMBLING THE IMPACTOR
To disassemble the Impactor refer to Section XI: Impactor Exploded View while
completing the following steps:
1. Remove six (6) Bolts [21] from Head Cover [33] and Motor Casing [20].
2. Separate Head Cover [33] from Motor Casing [20].
3. Remove eight (8) Bolts [2] from Hammer Casing [1] and Motor Casing [20].
4. Separate Hammer Casing [1] from Motor Casing [20] and Separator [19].
(Cone Bearing [18] and Anvil Rear Spacer [17] can be easily removed at this
point.)
5. Remove internal parts from Hammer Casing [1].
6. With a soft face hammer, tap spline end of Rotor [27], until Rotor and
Cylinder Plate [26] with Ball Bearing [25] and Notch Key [31] are free of
Motor Casing [20].
7. With Arbor Press or similar, remove Rotor [27] from Cylinder Plate [26] and
remove all nine (9) Rotor Blades [28] from Rotor.
8. CAREFULLY remove the Press Fit Ball Bearing [25] from Cylinder Plate [26].
IMPORTANT
9. Remove Reverse Valve [35], by completely removing Reverse Lever Set
Screw [39] from Reverse Lever [36].
If Cylinder [29] or Cylinder Plate [26] show
signs of wear (rust, scoring, etc) Motor Casing
[20] may need to be heated for Cylinder and
Plate removal.
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