WORKMASTER GO-A8-PW Operator's Manual page 27

12. Remove eight [8] Bolts (51) from Hammer Casing (29) and Motor
Casing (23).
13. Separate Hammer Casing (29) from Motor Casing (23) and Separator
(28).
14. Remove Impact Mechanism (30 to 38) from Hammer Casing (29).
15. Remove Separator (28) from Motor Casing (23). Examine Cone Roller
Bearing (70) for damage and/or discoloration. Replace when necessary.
16. Remove six [6] Bolts (50) from Head Cover (5) and Motor Casing (23).
17. Separate Head Cover (5) from Motor Casing (23).
18. With a soft face hammer, tap spline end of Rotor (26), until Top Cylinder
Plate (24) with Ball Bearing (69) is free of Motor Casing (23).
19. Remove nine [9] Rotor Blades (27) from Rotor (26).
20. To service Reverse Valve (6), completely remove Reverse Lever Set
Screw (10) from Reverse Lever (8).
IMPORTANT
21. Remove Reverse Valve Cover (9) from Head Cover (5). Reverse Valve
can only be removed from Reverse Valve Bushing (7).
22. Examine Reverse Valve Bushing (7) for damage and wear. Replace
O-Ring (72) when reassembling.
It may be necessary to apply heat to the set
screws as Locktite adhesive is used to secure the
set screws.
22