Hawk Industries Hawkjaw Sr. Manual ALS Serial Numbers 1 to 100 User Manual
Page 53
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 Bearings
1. Use the 3/4" wrench to remove
all Bearing Cap Bolts (47).
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).
Maintenance
& Repair
Maintenance & Repair
53