45
400 Series
Maintenance and service
Safety instructions - Read safety
instructions before any maintenance
work
Avoid injury during maintenance
work - Follow all instructions
and safety precautions during
maintenance.
• Stop the engine and let it cool down
before any inspection, maintenance,
or service operation.
• Lock the boom lift cylinder with the
service support before going under
the boom.
• Apply parking brake. Always park
the loader on level surface before
maintenance work.
• Install the frame lock when lifting
the machine, for instance when
changing tires.
• Before working on the engine or
equipment, disconnect the battery.
Risk of burns - Hot parts. Allow
engine to cool before accessing the
engine. Engine and exhaust parts may
be extremely hot after use.
The adjacent warning label is located
near the engine. Hot areas include
the engine in general, and especially
its exhaust pipe(s) and surrounding
areas.
Maintenance of hydraulic systems
Check hydraulic hoses and components only when the
engine is stopped and hydraulic pressure is released.
Repair all leaks as soon as you have noticed them,
because a small leak can quickly change into a big one.
Do not operate the machine if you have noticed faults
or leaks in hydraulic system. Leaking hydraulic uid can
cause serious personal injuries and is harmful to the
environment.
Check hydraulic hoses for cracks and wear. Follow the
wear of the hoses and stop operation if the outer layer of
any hose has worn out. If there are signs of oil leakage,
put a piece of cardboard under the probable leakage
place in order to nd the leakage. If you nd a fault, the
hose or the component must be replaced. Contact your
Avant dealer or service for spare parts.
Never handle hydraulic
components if hydraulic system
is pressurized - Risk of injection
of hydraulic oil through skin. High
pressure hydraulic uid can cause
serious injuries. Never use hands
to search for leaks. Do not operate
the machine if you have noticed a
fault in the hydraulic system. See a
doctor immediately if hydraulic uid
penetrates your skin.
Risk of burst of hydraulic oil -
Isolate hydraulic accumulator
before service (Loaders equipped
with optional Smooth Drive system
only).
If the loader is equipped with the
smooth drive option, a pressure
accumulator is tted to the boom
hydraulic circuit. Do not disconnect
any hydarulic component before the
accumulator has been isolated from
the circuit and the residual pressure
has been released.
The uids in the machine are harmful to
the environment. Take waste oil and uids
to recycling station according to the local
regulations in your area.
Wear protective glasses and
gloves when servicing the
machine.
WARNING
WARNING
WARNING
WARNING
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