Hawk Industries Hawkjaw Sr. Manual 100K-2GSR Serial Numbers 121 to 140 - Manual (Page 53)

52 Maintenance & Repair
Changing the Driver Rollers Sprocket Bearings
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 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.
Drive Roller Sprocket Bearings
1. Use the 3/4" wrench to remove
all Bearing Cap Bolts (9).
2. Remove the Bearing Caps (2)
and Bearing Seals (3).
3. Use the 7/16" wrench to remove
the four small screws in the top of
the Bearing Caps (2).
Continued on next page...
E