Hawk Industries Hawkjaw Sr. Manual ALS Serial Numbers 1 to 100 - Manual (Page 67)

Maintenance
& Repair
Maintenance & Repair 67
Accessing the Spinner Motor Sequence Valve
E
C
S
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.
Spinner Motor Sequence Valve
1. Use the 3/4" wrench to remove
the Sequence Valve Cover Bolts
(B) and Cover (C).
2. The Sequence Valve is located
within the Sequence Valve
Rubber Sleeve (S).
Changing All Other
HawkJaw Parts
1. See Drawings, p. 98-102, 112-142.
3/4" wrench, 3/16" Allen wrench
Tools Required
B