Manual

48 Maintenance & Repair
Changing the Spinner Chain
Tools Required
7/8" wrench, 7/16" wrench, Hammer,
Needle-Nose Pliers
1. Make sure the HawkJaw is off the
drill pipe connection and in the
rest position on the derrick.
2. Shut down the Hydraulic power
unit.
3. Press the Grip button
repeatedly to bleed hydraulic
pressure.
4. Disconnect the Air power supply.
5. Push in the "E" stop (E).
6. Assume that there is still a load
on every actuator. Proceed with
caution.
Initial Steps
1. Make sure the Spinner doors
(SD) are open.
2. Use the 7/8" wrench to loosen
the Spacer Bolts (B).
3. Use the 7/16" wrench to remove
the four rubber Safety shield
bolts (SB).
4. Remove the rubber Safety shield
(SS).
5. Remove the Spacer Bolts (B)
and Spacers (S).
Chain
SD
SS
SB
S
B
Continued on next page.