Section 1
SAFETY
3
5. Avoid potholes, rocks and other obstructions, and
soft shoulders or unstable terrain.
6. Maneuver in a manner that will not exceed the
freedom of motion of the compressor’s drawbar
and/or coupling device, in or on the towing vehicle’s
coupling device and/or adjacent structure whether
towing forward or backing up, regardless of the ter-
rain being traversed.
7. DO NOT permit personnel to ride in or on the
compressor.
8. Make sure the area behind, in front of, and under
the compressor is clear of all personnel and
obstructions prior to towing in any direction.
9. DO NOT permit personnel to stand or ride on the
drawbar, or to stand or walk between the compres-
sor and the towing vehicle.
C. PARKING OR LOCATING COMPRESSOR
1. Park or locate compressor on a level surface, if
possible. If not, park or locate compressor across
grade so the compressor does not tend to roll
downhill. DO NOT park or locate compressor on
grades exceeding 15° (27%).
2. Make sure compressor is parked or located on a
firm surface than can support its weight.
3. Park or locate compressor so the wind, if any,
tends to carry the exhaust fumes and radiator heat
away from the compressor air inlet openings, and
also where the compressor will not be exposed to
excessive dust from the work site.
4. On four-wheel models, park compressor with
front wheels in straight ahead position.
5. Set parking brakes and disconnect breakaway
switch cable and all other interconnecting electrical
and/or brake connections, if provided.
6. Block or chock both sides of all wheels.
7. If provided, unhook chains and remove them
from the points of chain attachment on the towing
vehicle, then hook chains to bail on drawbar or wrap
chains around the drawbar and hook them to them-
selves to keep chains off the ground which might
accelerate rusting.
8. Lower front screw jack and/or any front and rear
stabilizer legs. Make sure the surface they contact
has sufficient load bearing capability to support the
weight of the compressor.
9. If a caster wheel is provided on the screw jack it
is part of the screw jack and can not be removed.
Follow the same procedure for stowing away the
wheeled jack as you would for the standard screw
jack. Raise the screw jack to its full up position and
pull the pin connecting the jack to the drawbar.
Rotate the screw jack to its stowed position, paral-
lel to the drawbar, and reinsert the pin. Make sure
the jack is secured in place prior to towing.
10. Disconnect coupling device, keeping hands and
fingers clear of all pinch points. If the compressor is
provided with a drawbar, DO NOT attempt to lift the
drawbar or if hinged, to raise it to the upright posi-
tion, by hand, if the weight is more than you can
safely handle. Use a screwjack or chain fall if you
cannot lift or raise the drawbar without avoiding
injury to yourself or others.
11. When possible, stow hinged drawbar in the ver-
tical upright position. Make certain it is securely
latched in the vertical upright position. Keep feet
clear of drawbar at all times to avoid crushing acci-
dents in case it should slip from your hands or oth-
erwise fall to the ground.
12. Move the towing vehicle well clear of the parked
compressor and erect hazard indicators, barricades
and/or flares (if at night) if compressor is parked on
or adjacent to public roads. Park so as not to inter-
fere with traffic.
1.3 PRESSURE RELEASE
A. Open the pressure relief valve at least weekly to
make sure it is not blocked, closed, obstructed or
This equipment may be tongue heavy. DO NOT
attempt to raise or lower the drawbar by hand if
the weight is more than you can safely handle.
Retract the front screw jack only after attaching
the compressor to the tow vehicle.
continued
Raise the screw jack to its full up position and
pull the pin connecting the jack to the drawbar.
Rotate the screw jack to its stowed position, par-
allel to the drawbar, and reinsert the pin. Make
sure the jack is secured in place prior to towing.
If a caster wheel is provided on the screw jack it
is part of the screw jack and can not be removed.
Follow the same procedure for stowing away the
wheeled jack as you would for the standard
screw jack. Pull the pin connecting the jack to
the drawbar and raise the screw jack to its full up
position. Rotate the screw jack to its stowed
position, parallel to the drawbar, and reinsert the
pin. Make sure the jack is secured in place prior
to towing.
WARNING
WARNING (cont).
WARNING
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