Hawk Industries Hawkjaw Jr. Manual 65K-ALS Serial Numbers 4 to 9 - Manual (Page 76)

Trouble Shooting
Symptom Remedy
Push in the Spin button, and
nothing happens. (cont.)
l
Check that the Spin button air valve works. Push
in the button. Air should sound like it is being
exhaled. Release the button. Air should
sound like it is being exhaled. If these sounds do
not occur, replace the Spin button air valve. See
Drawings, p. 112, 118.
l
Check that air is reaching the Spin hydraulic valve
V6 at Port A. Disconnect the Spin orange air
hose to the Spin hydraulic valve V6 Port A. To
disconnect the orange
air hose, push the hose and collet ring into the valve
pilot port. While holding down the collet ring, pull out
the orange air hose. Push in the bottom or middle
Grip button. Place your hand over the disconnected
Spin air hose. Push in the Spin air button. A
steady blast of air should come out of the hose
when the Spin button is pushed in. If no air comes
out of the hose, the air hoses are improperly
connected within the Left and Right control handles.
See Drawings, p. 110, 112. If air comes out of the
hose when the Spin air button is pushed in, proceed
to the next step.
l
Check that air is reaching the Spin hydraulic
valve V6 at Port B. Disconnect the Spin green
air hose to the Spin hydraulic valve V6 Port B. To
disconnect the green air
hose, push the hose and collet ring into the valve pilot
port. While holding down the collet ring, pull out the
green air hose. Place your hand over the discon-
nected Spin air hose. Push in the bottom or middle
Grip button. A steady blast of air should come out
of the hose when the Grip button is pushed in. If no
air comes out of the hose, the air hoses are im-
properly connected within the Left and Right
control handles. See Drawings, p. 110, 112. If air
comes out of the green hose when the Grip button is
Spin
Button
76 Troubleshooting
Continued on next page.