Hawk Industries Hawkjaw Sr. Manual M100K-2GSR Serial Numbers 201 to 370 - 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 necessary. See Mainte-
nance & 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
cylinder 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
correct 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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.
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