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0478 111 9933 A - EN
Annual service by the specialist dealer:
The lawn mower should be inspected once
annually by a specialist dealer. VIKING
recommends VIKING specialist dealers.
1
2.
1
Cleaning the machine
Maintenance interval:
After each use
Care of the machine will protect it against
damage and extend its service life.
●
Set down the upper handlebar
rearwards.
●
Place two suitable wooden blocks
(height: 7 - 8 cm) on the ground behind
the machine as shown.
●
Lift up the machine at the front at the
wheel fork and place on the wooden
blocks as shown.
Notes on cleaning:
●
Clean off dirt using little water, with a
brush or with a cloth. In particular, also
clean the mowing blade. Never spray
water onto engine components, seals
or bearing points.
●
First, remove accumulated clipping
deposits using a stick.
●
If necessary, use a special cleaner
(e.g. STIHL special cleaner).
1
2.2 Checking blade wear
Maintenance interval:
Before each use
●
Tilt the mower upwards into the
cleaning position. (
●
Clean mowing blade (1).
●
Use a slide calliper to measure
blade
thickness
at 5 points at least. In
particular, minimum thickness must
also be ensured in the area of the blade
wings.
●
Place a ruler (2) against the front blade
edge as shown and measure
permissible grinding
.
Blade thickness:
> 2 mm
Permissible grinding:
< 5 mm
The blade must be replaced,
– if it is damaged (notches, cracks),
– if the measured values are achieved at
one or more points or are outside the
permissible limits.
1
2.3 Removing and installing the
blade
●
Tilt the mower upwards into the
cleaning position. (
Removing:
●
Unscrew blade fastening screw (1)
using an A/F 17 spanner.
●
Remove blade (2) together with blade
fastening screw (1) and retaining
washer (3).
1
2. Maintenance
Risk of injury!
Carefully read the section "For your
safety" (
4.), particularly the
subsection "Maintenance and
repairs" (
safety instructions exactly before
performing any maintenance or
cleaning operations on the
machine.
Allow the machine to
cool and detach the
spark plug socket before
performing any
maintenance or cleaning
operations.
Risk of injury!
Stop the engine, detach the spark
plug socket and allow the machine
to cool down.
Empty the fuel tank (run empty)
before placing the machine in the
cleaning position.
The machine is only safely in the
cleaning position as shown.
1
4
Risk of injury!
Blades are subjected to differing
degrees of wear depending on the
location and duration of use. If you
use the machine on sandy ground
or use it frequently under dry
conditions, the blade will be
subjected to greater loads and will
wear more quickly than the
average. A worn blade may break
off and cause serious injuries. The
instructions for blade maintenance
must therefore always be observed.
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Summary of Contents for MB 3 RT
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