Maintenance Precautions - Case CX50B TIER 4 Operator's Manual

Compact crawler excavator
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DO NOT OPERATE the machine if you do not feel
well. This can be dangerous for you and for the
people around you.
You must make a judgment if weather, road, or
earth conditions will permit safe operation on a
hill, ramp, or rough ground.
Stay away from hazardous areas such as ditches,
overhangs, etc. Walk around the work area before
you start and look for hazards.
Be alert and always know the location of all
workers in your area. Keep all other persons
completely away from your machine. Injury or
death can result if you do not follow these
instructions.
Develop fluid and smooth operating techniques
and maintain the surface condition where the
machine travels in order to control vibration
transfer to the operator.

MAINTENANCE PRECAUTIONS

Do not attempt repairs unless trained. Refer to
manuals and experienced repair personnel for
help.
DC04E084
Before beginning any inspection or maintenance
procedures, secure a "DO NOT OPERATE" tag to
the operator's console to inform the operator that
the machine will be inoperable for inspection and
maintenance. This tag will prevent accidental
starting of the machine.
Wear protective glasses and other required safety
equipment when servicing or repairing the
machine.
Wear gloves to protect hands when handling
cable.
Disconnect the battery before working on the
electrical system. Know the consequences of
disconnecting any electronic or computer devices.
87722073 NA
CHAPTER 2 - SAFETY, DECALS, AND HAND SIGNALS
Figure 4
Issued 01-08 Bur
Avoid lubrication or mechanical adjustments with
the machine in motion or the engine operating. If
the engine must be in operation to make certain
adjustments, place the transmission in neutral,
apply the parking brake, place the equipment in a
safe position, securely block the tracks and use
extreme caution.
Securely block the machine or any component
that may fall before working on the machine or
component. If possible, use a back up or
secondary blocking device, also.
To prevent unexpected movement, securely block
working elements when repairing or changing
working tool parts such as cutting edges.
Never make repairs on pressurized components,
fluid, gas or mechanical until the pressure has
been relieved according to the manufacturer's
instructions.
Use extreme caution when removing radiator
caps, drain plugs, grease fittings or pressure taps.
Park the machine and let it cool down before
opening a pressurized tank.
Release all pressure before working on systems
which have an accumulator. Use a piece of
cardboard, newspaper, or wood to check for
pressurized leaks to prevent fluid penetrating the
skin. Pressurize accumulators with the proper gas
according to manufacturer's recommendations.
When absolutely necessary to tow the machine,
do not exceed the recommended towing speed.
Be sure the towing machine has sufficient braking
capacity to stop the towed load. If the towed
machine cannot be braked, a tow bar must be
used or two towing machines must be used. - one
in front pulling and one in the rear to act as a
brake. Avoid towing over long distances.
Observe proper maintenance procedures.
Whenever servicing or replacing hardened pins,
etc., use a brass drift or other suitable material
between the hammer and pin. Alternate: Use a
brass hammer, drift or suitable material on the pin,
etc.
Keep the brakes and steering systems in good
operating condition.
Replace all missing, illegible or damaged safety
signs. Keep all safety signs clean.
2-7

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