Hawk Industries Spinner Manual 550 PNEUMATIC Serial Numbers 106 to 210 - Manual (Page 27)

27 Maintenance & Repair
Tools Required
Four 1/4"-20 x 1 1/2" Hex Tap SS
(Part # 999-805867), 7/16" wrench,
3/4" wrench
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.
BCB
Continued on next page.
1. Use the 3/4" wrench to remove
all Bearing Cap Bolts (BCB).
2. Remove the Bearing Caps (1)
and Bearing Seals (29).
3. Use the 7/16" wrench to remove
the four small screws in the top
of the Bearing Caps (1).
Drive Roller Sprocket Bearings
Changing the Drive Roller Sprocket Bearings