Hawk Industries Spinner Manual 550 HYDRAULIC Serial Numbers 1 to 205 - Manual (Page 25)

25 Maintenance & Repair
Changing the Drive Rollers
Initial Steps
1. Make sure the Spinmaster is off
the drill pipe connection and in
the rest position on the derrick.
2. Shut down the power unit.
3. Bleed any hydraulic and/or air
pressure from the Spinmaster,
by cycling the door valve lever.
Make sure the doors are fully
open.
4. Assume that there is still a load
on every actuator. Proceed with
caution.
1. When the Drive Roller Groove
(DRG) is worn down so that it is
no longer visible, the Drive
Rollers need to be replaced.
Tools Required
Changing Drive Roller
3/4" wrench
Continued on next page.
DRG