• Always wear the protective eyeglasses when hitting parts
with a hammer.
• Always wear the protective eyeglasses when grinding
parts with a grinder, etc.
• When performing any operation with multiple workers, al-
ways agree on the operating procedure before starting. Be
clear in verbal communication, and observe hand signals.
Hang "UNDER REPAIR" warning tag in the operator's
compartment Before starting work.
• Work and operation which require license or qualification
should be performed by qualified workers.
• Welding repairs should be performed by trained and experienced welders. When performing welding work,
always wear welding gloves, apron, welding goggles, cap and other clothes suited for welding work.
• Warm up before starting the work with exercise which increases alertness and the range of motion.
• Avoid prolonged work, and take a rest at times to keep up a good condition. Take a rest at designated safe
area.
Precautions for preparatory work
• Place the machine on a firm and level ground, and apply the parking brake and chock the wheels or tracks
to prevent the machine from moving before adding oil or making any repairs.
• Lower the work equipment (blade, ripper, bucket, etc.) to the ground before starting work. If this is not pos-
sible, insert the lock pin or use blocks to prevent the work equipment from falling. In addition, be sure to
lock all the control levers and hang "UNDER REPAIR" warning tag on them.
• When performing the disassembling or assembling work, support the machine securely with blocks, jacks,
or stands before starting the work.
• Remove all mud and oil from the steps or other places for
going up and down on the machine. Always use the hand-
rails, ladders or steps when for going up and down on the
machine. Never jump on or off the machine. When the
scaffold is not provided, use steps or stepladder to secure
your footing. Do not use handrails, ladders, or steps if they
are damaged or deformed. Repair it or replace it immedi-
ately.
Precautions during work
• For the machine equipped with the battery disconnect switch, check that the system operating lamp is off
before starting the work. Then, turn the battery disconnect switch to OFF (Q) position and remove the
switch key.
For the machine not equipped with the battery disconnect switch, disconnect the cable before starting the
work. Always disconnect negative (-) side when disconnecting the cable.
• Release the remaining pressure from the circuit before starting the work of disconnecting and removing of
oil, fuel, water, or air from the circuit. When removing the cap of oil filter, drain plug, or oil pressure plug, it
should be done slowly otherwise the oil spills.
• When removing or installing the checking plug or the piping in the fuel circuit, wait 30 seconds or longer
after the engine is shut down and start the work after the remaining pressure is released from the fuel cir-
cuit.
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SAFETY NOTICE FOR OPERATION
00 INDEX AND FOREWORD
00-22
PC240LC-11
