Hawk Industries Hawkjaw Sr. Manual 100K-2GSR Serial Numbers 101 to 120 - Manual (Page 52)

52 Maintenance & Repair
Changing the Drive Roller 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.
E
Continued on next page.
Drive Roller Sprocket Bear-
ings
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).