1: Safety 600H, 750, 750H, 750HH, 825, 900, 900H, 1050 T3 CAT User Manual
02250197-981 R01
8 Subject to EAR, ECCN EAR99 and related export control restrictions.
J. Set the parking brakes of both the compressor (if pro-
vided) and the starting vehicle or otherwise block
both sides of all wheels.
K. Place the starting vehicle in neutral or park, turn off
all non-essential accessory electrical loads and start
its engine.
L. Use only jumper cables that are clean, in good condi-
tion and are heavy enough to handle the starting cur-
rent.
M. Avoid accidental contact between jumper cable ter-
minal clips or clamps and any metallic portion of
either the compressor or the starting vehicle to mini-
mize the possibility of uncontrolled arcing which
might serve as a source of ignition.
N. Positive battery terminals are usually identified by a
plus (+) sign on the terminal and the letters POS
adjacent to the terminal. Negative battery terminals
are usually identified by the letters NEG adjacent to
the terminal or a negative (-) sign.
O. Connect one end of a jumper cable to the positive
(POS) (+) battery terminal in the starting vehicle.
When jump starting 24V compressors and if the start-
ing vehicle is provided with two (2) 12V batteries con-
nected in series, connect the jumper cable to the
positive (POS) (+) terminal of the ungrounded bat-
tery.
P. Connect the other end of the same jumper cable to
the positive (POS) (+) terminal of the starter motor
battery in the compressor when jump starting 24V
compressors, to the positive (POS) (+) terminal of
the ungrounded battery in the compressor.
Q. Connect one end of the other jumper cable to the
grounded negative (NEG) (-) terminal of the battery
in the starting vehicle. When jump starting 24V com-
pressors and if the starting vehicle is provided with
two (2) 12V batteries connected in series, connect
the jumper cable to the negative (NEG) (-) terminal of
the grounded battery.
R. Check your connections. DO NOT attempt to start a
24V compressor with one 12V battery in the starting
vehicle. DO NOT apply 24V to one 12V battery in the
compressor.
S. Connect the other end of this same jumper cable to a
clean portion of the compressor engine block away
from fuel lines, the crank case breather opening and
the battery.
T. Start the compressor in accordance with normal pro-
cedure. Avoid prolonged cranking.
U. Allow the compressor to warm up. When the com-
pressor is warm and operating smoothly at normal
idle RPM, disconnect the jumper cable from the
engine block in the compressor, then disconnect the
other end of this same cable from the grounded neg-
ative (NEG) (-) terminal of the battery in the starting
vehicle. Then disconnect the other jumper cable from
the positive (POS) (+) terminal of the battery in the
compressor, or if provided with two (2) 12V batteries
connected in series, from the ungrounded battery in
the compressor, and finally, disconnect the other end
of this same jumper cable from the positive (POS) (+)
terminal of the battery in the starting vehicle or from
the positive (POS) (+) terminal of the ungrounded
battery in the starting vehicle, if it is provided with two
(2) 12V batteries connected in series.
V. Remove and carefully dispose of the dampened
cloths, as they may now be contaminated with acid,
then replace all vent caps.
1.13 Towing
1
1.13.1 Preparing to tow
A. Prior to hitching the air compressor to the tow vehi-
cle, inspect all attachment parts and equipment,
checking for (I) signs of excessive wear or corrosion,
(II) parts that are cracked, bent, dented or otherwise
deformed or degraded, and (III) loose nuts, bolts or
other fasteners. Should any such condition be pres-
ent, DO NOT TOW until the problem is corrected.
B. Back the tow vehicle to the compressor and position
it in preparation for coupling the compressor.
C. If the compressor is provided with a drawbar latched
in the vertical upright position, carefully unlatch draw-
bar and lower it to engage the coupling device. If not,
WARNING
Do NOT tow the compressor should its weight
exceed the rated limit of the tow vehicle, as the
vehicle may not brake safely with excess weight.
See rated limit in tow vehicle Operator's Manual,
and review its instructions and other require-
ments for safe towing.
1
While not towed in the usual sense of the word, many of these instructions are directly applicable to skid-mounted portable air compressors as well.
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