Tow Point Control.
Ensure tow point locking pins are not
installed when adjusting screed angle of
switches. Tow point locking pins are
installed in an emergency when tow
point cylinders fail to operate. Adjusting
damage to tow point locking pins and
tow point cylinders.
Ensure tow point locking pins are not installed.
If installed, remove per the following for both
left and right sides.
Ensure weight of screed tow arm is
taken off the tow point locking pin prior
to removal. Manually adjust the position
of the tow arm to take the weight off the
tow point locking pin using the screed
thickness control per paragraph 2.20.2.
Access toolbox per paragraph 3.3.1 and
retrieve wrench set.
Using a wrench, remove hex head cap
screw from tow arm support plate.
Remove tow point locking pin.
Reinstall hex head cap screw into threaded
hole on tow arm support plate.
Put tow point locking pins and wrench set
back into toolbox and secure toolbox per
Ensure tow point flow shutoff valve is
fully open (counterclockwise).
Hold the tow point movement switch in the up,
RAISE position, to increase angle of attack, or in
the down, LOWER position, to decrease angle of
When the tow point reaches the desired
position, release the tow point movement switch.
adjustment will result in a 6 in. (152 mm) mat
thickness only. This is due to the maximum
stroke length of the tow point cylinders. To
increase mat thickness to the maximum of 8 in.
(203 mm) refer to paragraph 2.26.9.