Hawk Industries Hawkjaw Jr. Manual 65K-2GJR Serial Numbers 21 to 32 - Manual (Page 57)

Changing the Grip Cylinders
Maintenance
& Repair
Initial Steps
Middle Grip Cylinder
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. Assume that there is still a load on
every actuator. Proceed with
caution.
1. Adjust the Middle Wrench (MW)
to 3 1/2".
2. Unhook the retract springs (RS)
on the middle wrench using a pair
of pliars or vice grip pliars.
3. Swing the entire middle wrench
assembly out toward the left of the
unit
MW
Maintenance & Repair 57
Continued on next page.
RS