Hawk Industries Hawkjaw Jr. Manual 65K-ALS Serial Numbers 4 to 9 - Manual (Page 61)

Tools Required
Two 11/16" wrenches, 15/16" wrench
Changing the Grip Cylinders
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, push, and pull all control
buttons repeatedly to bleed
hydraulic pressure.
4. Disconnect the Air power supply.
5. Press, push, and pull all control
buttons repeatedly to bleed air
pressure.
6. Assume that there is still a load on
every actuator. Proceed with
caution.
Maintenance
&
Repair
Initial Steps
Top Grip Cylinder
Continued on next page.
1. Use the Two 11/16" wrenches to
slowly loosen the Rod side Hose
(RH). Check for fluid flow.
Bleed any pressure. Disconnect
the Rod side Hose (RH).
2. Use the Two 11/16" wrenches to
slowly loosen the Cap side Hose
(CH). Check for fluid flow.
Bleed any pressure. Disconnect
the Cap side Hose (CH).
CH RH
Maintenance & Repair 61