VIKING GARDEN MT 4097 S, Instruction Manual

Page: 38 / 306

0478 192 9804 B - EN
36
Removing the mowing blade:
● Remove the mowing deck. ( Ö 13.1)
● Lean the mowing deck against a wall
and secure against slipping.
Loosen and remove the blade fastening
screw (1) using an A/F 17 spanner (not
included in standard equipment).
Remove the blade fastening screw (1)
together with retaining washer (2).
Remove the mowing blade (3).
● Repeat this procedure on the second
mowing blade.
Sharpening the mowing blades:
● Cool the mowing blades when
sharpening, e.g. with water. The blades
must not be allowed to display blue
colouring, as this would reduce their
cutting quality.
● Sharpen blades evenly to prevent
vibration due to imbalance.
● Observe a cutting angle of 30° .
● Observe the wear limits when
sharpening.
Checking the balance of the mowing
blades:
Insert a screwdriver (1) through the central
bore.
When mowing blade (2) is properly
balanced, it must balance in the position
illustrated.
Installing the mowing blade:
The following points must be observed
when attaching the mowing blades:
● Install the mowing blade with the curved
edges/vanes pointing upwards
(towards the mowing deck).
Attach mowing blade (1), screw in blade
fastening screw (2 – apply
Loctite 243 )
with retaining washer (3 – observe
convexity) and tighten.
Tightening torque: 65 - 70 Nm
Risk of injury!
Always wear safety glasses and
gloves when sharpening.
Risk of injury!
If the mowing blade does not
balance, the procedure
"Sharpening the mowing blade"
must be repeated until the blade is
balanced.
The mowing blade may only be
balanced by means of sharpening
back the cutting edges.
Risk of injury!
Before installing, check the mowing
blade for damage (notches or
cracks) and wear.
Worn or damaged mowing blades
must be replaced.
Replace the
retaining washer
each time the blade is installed.
Additionally secure the
blade
fastening screw with Loctite 243
and observe the specified
tightening torque, as the secure
attachment of the cutting tool
depends on this.