Hawk Industries Hawkjaw Sr. Manual ALS Serial Numbers 1 to 100 - Manual (Page 63)

Two 11/16" wrenches, Two 1 1/2"
wrenches
Changing the Grip Cylinders
Maintenance
& Repair
Maintenance & Repair 63
E
Tools Required
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.
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.
RH CH