Warn Others Of Service Work - Hitachi ZAXIS 30U-5N Operator's Manual

Hydraulic excavator
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 Disconnect battery ground cable (−) before making
adjustments to electrical systems or before welding on
the machine.
 Sufficiently illuminate the work site. Use a maintenance
work light when working under or inside the machine.
 Always use a work light protected with a guard. In case
the light bulb is broken, spilled fuel, oil, antifreeze fluid,
or window washer fluid may catch fire.
 When the floor tilt mechanism check and/or maintenance
is conducted, the operator's station is tilted upward.
Before conducting maintenance work, refer to page 13-
23 in this manual for the detailed operation procedures
and correctly operate the machine.
 When required to work under the floor, support the
raised operator's station with the fall prevention bars (red
color) to ensure safety.
 When the inspection/maintenance work is complete, tilt
the operator's station downward after housing the fall
prevention bars. Be sure to slowly lower the operator's
station at the time.
 Be careful not to allow the operator's station to tilt down
without first stowing the fall prevention bars. Damage to
the tilt mechanism may result.

Warn Others of Service Work

 Unexpected machine movement can cause serious injury.
 Before performing any work on the machine, attach a "Do
Not Operate" tag in an easy-to-see place such as on the
cab door or control lever.
 Never attempt to operate the machine with a "Do Not
Operate" tag attached.
 Make it a rule for the inspection/service person to hold
the engine start key during inspection/service work.
SAFETY
S-24
SA-037
M1MW-07-031
SS2045102-4

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