Hawk Industries Hawkjaw Sr. Manual 100K-2GSR Serial Numbers 121 to 140 - Manual (Page 76)

Trouble Shooting 75
Trouble Shooting Trouble Shooting
-pletely full of contaminants. If the red indicator button on
the hydraulic filter body pops up, change the filter
element. See Filter Maintenance.
Check that no hissing sound comes from the Winch On
or Winch Off button. An air hose is broken, switched
or disconnected if there is a hissing sound. Locate the
leak, and replace the hose or connect the hose prop-
erly. See Drawings.
Check that the Winch On and Winch Off button air
valves work. Disengage the winch. See Installation.
Push in the button. Air should sound like it is being
sharply inhaled. Release the button. Air should sound
like it is being sharply exhaled. If these sounds do not
occur, replace the Winch On and/or Winch Off button
air valve. See Drawings.
Check the Winch sandwich valve H6 flow setting. No
fluid will flow to the Winch if the flow setting is rotated
clockwise to refusal. See Trouble Shooting, “Winch
moves at an undesired speed”.
Use a 7/32" allen wrench to adjust the Winch sandwich
valve H6 flow settings at each end. See Drawings.
Rotate clockwise to reduce speed and counter-clock-
wise to increase speed of the winch on and off the pipe.
Use Winch On and Winch Off to test. Repeat process
if necessary.
The low torque warning poppet pin #061-30064 and
#061-20238 poppet seat may have seal damage or the
bellville springs #061-022S need replacement or correct
placement. See Drawings. To check poppet seal dam-
age, refer to page 24 for LOW TORQUE WARNING
TEST #1 PROCEDURES.
The low torque warning small “U” cup seal is leaking.
Replace the seal. Make sure the seal is installed with
the top of the “U” facing in. Order Hawk # 061-LTW-
RK. See Drawings. Refer to LOW TORQUE WARN-
ING TEST #2 PROCEDURES.
The Tilt Cylinder moves at an undesired
speed.
The Low torque warning system Test #1
has failed.
The Low torque warning system Test #2
has failed.
Problem Remedy
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