Hawk Industries Hawkjaw Sr. Manual M100K-2GSR Serial Numbers 201 to 370 - Manual (Page 60)

58 Maintenance & Repair
Changing the Grip Cylinder
Tools Required
Two 11/16" wrenches, Two 1 1/2"
wrenches
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.
Top 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...
E
RH
CH
Changing the Grip Cylinder