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Doosan DA40 - Page 11

Doosan DA40
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SHOP MANUAL
GENERAL INSTRUCTIONS
Ch 0 page 10
Lower work equipment and stop engine before perform-
ing maintenance.
Park machine on firm, level ground.
Turn starter switch to "ON' position and set pilot cutoff
switch to "I" (ON) position. Cycle work levers (joysticks)
back and forth, left and right at full stroke 2 to 3 times to
eliminate remaining internal pressure in hydraulic circuit.
Check that battery relay is "OFF" and main power is
shut off. (Wait for approximately one minute after turning
"OFF" engine starter switch key and press horn button.
If horn does not sound, the main power is shut off.)
Put blocks against tire to prevent the machine from
moving.
To prevent injury, do not perform maintenance with en-
gine running. If maintenance must be done with engine
running, perform maintenance with at least two workers
and do the following:
– One worker must always sit in the operator's seat
and be ready to stop engine at any time. All workers
must maintain contact with other workers.
When maintenance operations are near fan, fan belt,
or other rotating parts, there is a potential hazard of
being caught in rotating parts. Keep hands and tools
away.
Never drop or insert tools or other objects into rotating
fan or fan belt. Parts can break off and hit someone.
Do not touch any control levers or control pedals. If
any control levers or control pedals must be operated,
always give a signal to other workers and instruct them
to move away.
When performing maintenance of engine that causes
exposure to engine noise for long periods of time, wear
hearing protection while working.
If noise from the machine is too loud, it can cause
temporary or permanent hearing loss and/or other
problems.
Do not smoke when you service an air conditioner or if
refrigerant gas is present.
Inhaling fumes either from a flame or gas from a ciga-
rette that has contacted air conditioner refrigerant can
cause death or serious injury.
Never put maintenance fluids into glass containers.
Drain all liquids into a suitable containers.
Unless instructed otherwise, perform maintenance with
equipment in servicing position. Refer to this manual for
the proper procedure for placing equipment in servicing
position.

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