Case WX90, Service Manual

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SAFETY PRECAUTIONS
15501 9-35990
SR2-2-19
SAFE MAINTENANCE
• To avoid accidents:
- Understand maintenance procedure before start-
ing the work.
- Keep the working area clean and dry.
- Do not spray water or steam inside the cab.
- Do not lubricate or service the machine when it is
in motion.
- Keep hands, feet and clothes far from moving parts.
• Prior to service in the machine, safely park the ma-
chine on a level surface.
- Apply the "Maintenance in progress" tag (see
SAFETY PLATES in this Chapter). This tag can
be applied to the left-hand control lever, safety le-
ver or cab door.
- Do not leave the machine unattended if servicing
requires the engine running.
- If the machine is to be raised, place boom and
dipper at an angle of 90° to 110°. Lock machine
components which should be raised for
maintenance or repair using suitable supporting
means.
- Never work under a machine kept raised by the
boom.
- Inspect certain component regularly, repair or re-
place as necessary. Refer to the Chapter MAIN-
TENANCE in this Manual.
- Keep all components in good condition and prop-
erly install. Immediately repair any fault.
- Immediately repair any damage. Replace worn or
failed components. Remove grease, oil, debris
build-ups.
- Disconnect the ground cable (-) from the battery
before carrying out any work on the electrical
system or arc-welding on the machine.
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