Bottom grip cylinder, Trouble shooting, Changing the grip cylinders – Hawk Industries Hawkjaw Jr. Manual 65K-2GJR Serial Numbers 10 to 20 User Manual
Page 61
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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.
Tools Required
Two 11/16" wrenches
Changing the Grip Cylinders
Maintenance
& Repair
Initial Steps
Bottom Grip Cylinder
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).
Continued on next page.
CH
RH
RP
CP
Maintenance & Repair
61