PRINTED IN U.S.A. 55 913323/CP0112
smoothly, have the second person remove the
jumper cables (negative (-) jumper cable first)
from the jumper vehicle battery, and then from the
disabled machine, while being careful not to short
the two cables together.
Allow sufficient time for the alternator to build up a
charge in the battery before operating the machine or
shutting off the engine.
NOTE: If the battery frequently becomes dis-
charged, have the battery checked for possible
dead cells, or troubleshoot the electrical system
for possible short circuits or damaged wire insula-
tion.
CHECKING AND TORQUING BOOM
LEAF CHAINS
Inspect the leaf chains for wear and proper tension.
Two of the chains are on the top front of the boom. A
third chain is accessible from inside the rear of the
boom (see boom illustration).
Torque the two chains on the front of the three-section
boom to 25 ft.-lbs. (34 Nm). Lubricate with 80W-90
oil.
IMPORTANT: On new machines or when chains
have been replaced, it is necessary to retorque
the front double chain assembly after one hun-
dred (100) hours of operation. Failure to do so
may allow the chains to become slack, which can
result in a chain jumping off a sheave. If this
occurs, it could result in severe damage to the
boom assembly.
Inspect the leaf chains for wear. Run the boom out
slowly to inspect. Conditions to look for include:
cracked or broken plates, protruding or turned pins,
and excessive wear. With a steel tape, measure 16 links
of the strand that flexes over the sheaves. If the section
1. Turn the key switches on both units to OFF. Be
sure that both units are in “Neutral” and NOT
touching.
2. Connect one end of the (red) positive (+) jumper
cable to the positive (+) battery terminal on the dis-
abled machine first. DO NOT allow the positive
(+) jumper cable clamps to touch any metal other
than the positive (+) battery terminals. Connect the
other end of the positive (+) jumper cable to the
jumper battery positive (+) terminal.
3. Connect one end of the (black) negative (-) jumper
cable to the jumper battery negative (-) terminal.
4. Make the final negative (-) jumper cable connec-
tion to the disabled machine’s engine block or
frame (ground) ⎯ NOT to the disabled machine
negative battery post. If making the connection to
the engine, keep the jumper cable clamp away
from the battery, fuel lines, and moving parts.
NOTE: Twist the jumper cable clamps on the bat-
tery terminals to ensure a good electrical connec-
tion.
5. Start the engine. If it does not start immediately,
start the jumper vehicles engine to avoid excessive
drain on the booster battery.
6. After the machine has started and is running
Chain Hookup Detail
Inner
Section
Outer
Section
Intermediate
Section
Two Front
Boom Chains
One Rear
Boom Chain
WARNING
The ONLY safe method for jump-starting a dis-
charged battery is for TWO PEOPLE to per-
form the following procedure. The second per-
son is needed for removing the jumper cables,
so that the operator does not have to leave the
operator’s compartment while the engine is
running. NEVER connect the jumper cables
directly to the starter solenoid of either
engine. DO NOT start the engine from any
position other than the operator’s seat, and
then ONLY after making sure all controls are in
“neutral.”
Closely follow the jump-start procedures, in
the order listed, to avoid personal injury. In
addition, wear safety glasses to protect your
eyes, and avoid leaning over the batteries
while jump-starting.
DO NOT attempt to jump-start the machine if
the battery is frozen, because this may cause
it to rupture or explode.
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