Changing the torque cylinder, Changing all other spinner parts – Hawk Industries Hawkjaw Jr. Manual 65K-ALS Serial Numbers 4 to 9 User Manual
Page 56

TGP
TC
Changing the Torque Cylinder
Tools Required
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 1/8" wrench, 1" wrench, 15/16"
wrench, 1/2" wrench, 9/16" wrench,
Screwdriver. See Drawings, p. 128.
1. Pull out the Bottom Grip
Cylinder Cap side Pin (BCP).
2. Pivot the Bottom Grip Cylinder
(BC) away from the Torque
cylinder Rod side hose (RH).
3. Use the 1" and 15/16" wrench to
slowly loosen the Cap side Hose
(CH). Check for fluid flow.
Bleed any pressure. Remove the
Cap side Hose (CH).
Torque Cylinder
Initial Steps
Continued on next page.
1. See Drawings, p. 90, 130-132.
Changing All Other Spinner Parts
56 Maintenance & Repair
BCP BC
CH
RH