Hawk Industries Hawkjaw Sr. 100K-2GSR M100K Serial Numbers 141 to 200 - Manual (Page 74)

72 Trouble Shooting
Trouble Shooting Trouble Shooting
There is a leak in the hydraulic system. Make sure
the air supply hose to the HawkJaw is disconnected.
Make sure the hydraulic power unit is on. Check for
Torque cylinder piston seal integrity. Make sure no
bodily parts are in the extension path of the cylinder
rod. Slowly loosen the Cap side hose. Check for fluid
flow. If there is a piston seal leak, fluid will flow with
volume out of the Cap side hydraulic fitting. Replace
the seals. See Drawings.Replace the cylinder if neces-
sary. See Maintenance & Repair.
There is a leak in the hydraulic system. Make sure
the air supply hose to the HawkJaw is disconnected.
Make sure the hydraulic power unit is on. Make sure
no bodily parts are in the extension path of the cylin-
der rod. Check for Spinner grip cylinder cap side seal
integrity. Slowly loosen the Spin Block Port SR fitting .
Check for fluid flow. If there is a piston seal leak, fluid
will flow with volume out of the fitting. Replace the
seals if necessary. See Drawings. Replace the cylinder if
necessary. See Drawings.
The Hawkjaw may have an obstructed tank lead-in
hose or quick disconnect. Check the pressure at the
tank out-put port on the Hawkjaw main hydraulic
manifold. Pressure readings should not exceed 200
psi. If the pressure reading is above 200 psi, clear the
obstruction in the hose or replace the quick discon-
nect. Also check belleville springs #061- 022S for cor-
rect placement or breakage. See Drawings.
HawkJaw performance and speed not
up to par.
While in make-up mode, a desired
torque setting cannot be achieved or
the torque control valve will not effect
the torque output of the Hawkjaw.
Problem Remedy
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