Hawk Industries Hawkjaw Sr. Manual 100K-2GSR Serial Numbers 101 to 120 - Manual (Page 54)

54 Maintenance & Repair
Changing the Torque Cylinder
1. Make sure the HawkJaw is off
the drill pipe connection and in
the rest position on the derrick.
Initial Steps
T
1. Press Grip Hold (GH).
2. Press and hold Grip (G)
3. While holding down Grip (G),
press and hold down Torque (T)
until the Torque Cylinder Rod Pin
(P) extends out from
underneath the Reset Cam (RC).
4. Release both Torque (T) and
Grip (G), and immediately push
in the "E" stop (E). The Torque
Cylinder (C) will freeze and
remain partially extended.
5. Shut down the Hydraulic power
unit. Press the Grip button
repeatedly to bleed hydraulic
pressure. Proceed with caution.
Make sure no bodily parts are in
the extension path of the cylinder
bore.
Torque Cylinder
G
P
E
C
Continued on next page.
GH