Maintenance And Repairs - Viking GB 460 Instruction Manual

Switch off the engine, detach the spark
plug socket and allow all rotating tools to
come to a complete standstill
– before leaving the machine unattended
– before lifting or carrying the machine
– before transporting the machine
– before removing blockages at the
cutting unit, in the feed chute, in the
branch guide or in the discharge chute
– before carrying out any work on the
blade discs
– before checking or cleaning the
machine or before carrying out any
other work on it.
Stop the engine,
– before tilting, pushing or pulling the
machine
– before unscrewing the closure screw
and opening the machine
– before re-filling the tank. Allow the
engine to cool down before re-filling the
tank.
Fire hazard!
If foreign objects get into the cutting tool or
if the machine makes unusual noises or
vibrates in an unusual way, stop the
engine immediately and allow the machine
to come to rest. Detach the spark plug
socket, remove the feed chute and
perform the following steps:
0478 216 9905 A - EN
– Check the machine, in particular the
cutting unit (blade, blade discs, blade
shaft, blade fastening screw, clamping
ring) for damage and have any
necessary repairs carried out by a
technician before starting again and
working with the machine.
– Check that all parts of the cutting unit
are seated securely, retighten the
screws if necessary (observe torques).
– Have damaged parts replaced or
repaired by a technician; the parts must
be of similar quality.

4.7 Maintenance and repairs

Before beginning cleaning,
adjustment, repair and
maintenance operations, park
the machine on firm, level
ground, stop the engine, allow it to cool
down and detach the spark plug socket.
Allow the machine to cool down before
working on or around the engine, exhaust
manifold or muffler in particular.
Temperatures of 80° C and above can be
reached. Danger of burns:
Direct contact with engine oil can be
dangerous. Engine oil must not be spilled.
VIKING recommends leaving the task of
topping up engine oil or performing engine
oil changes to a VIKING specialist dealer.
Cleaning:
The complete machine must be cleaned
thoroughly following use. (
Never use high-pressure cleaners and do
not clean the machine under running water
(e.g. using a garden hose).
Do not use aggressive cleaning agents.
These can damage plastics and metals,
impairing the safe operation of your
VIKING machine.
In order to prevent fire hazards, keep the
area around the air vents, cooling ribs and
the area of the exhaust free from
e.g. grass, straw, moss, leaves or
escaping grease.
Maintenance operations:
Only maintenance operations described in
this instruction manual may be carried out.
Have all other work performed by a
specialist dealer.
If you do not have the necessary expertise
or auxiliary equipment, please always
contact a specialist dealer.
VIKING recommends that you have
maintenance operations and repairs
performed exclusively by a VIKING
specialist dealer.
VIKING specialist dealers regularly attend
training courses and are provided with
technical information.
Only use tools, accessories or
attachments approved for this machine by
VIKING or technically identical parts.
Otherwise, there may be a risk of
accidents resulting in personal injury or
damage to the machine. If you have any
questions, please consult a specialist
dealer.
The characteristics of original VIKING
tools, accessories and spare parts are
optimally adapted to the machine and the
user's requirements. Genuine VIKING
spare parts can be recognised by the
12.1)
VIKING spare parts number, by the
VIKING lettering and, if present, by the
VIKING spare parts symbol. On smaller
parts, only the symbol may be present.
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