Hawk Industries Hawkjaw Sr. Manual ALS Serial Numbers 1 to 100 - Manual (Page 55)

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.
5/8" Allen wrench, 3/4" wrench, 1"
wrench, 1 1/8" wrench, See
Drawings, p. 98, 100.
Initial Steps
1. See Drawings, p. 104, 108, 144-146.
Changing All Other Spinner Parts
T
1. Press and hold down Grip (G).
2. 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).
3. 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.
4. 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
RC
Maintenance
& Repair
Maintenance & Repair 55
Continued on next page.