Mounting The Cutting Blade; 4-Mix Engine - Stihl FC 90 Manual De Instrucciones

Mounting the Cutting Blade

1
N Lay the power edger on its back so
that the blade mounting (1) faces
up.
5
6
4
2
3
N Insert the stop pin (2) or screwdriver
– see "Special Accessories" – into
the hole (3) as far as stop – apply
slight pressure and turn back and
FC 90
forth together with the thrust
washer (4) until the pin slips into
position and blocks the shaft.
N Fit the combination wrench (5) on
the nut (6).
N Loosen and unscrew the nut
clockwise (left-hand thread).
N Remove the thrust washer.
7
6
4
9
8
N Place the blade (7) on the thrust
plate (8).
Collar (see arrow) must engage
the blade's mounting hole.
N Fit the thrust washer (4) on the
shaft (9) and block the shaft.
N Screw the mounting nut (6) on to the
shaft counterclockwise and tighten
it down firmly.
If the cup spring (10) on the
nut (6) has lost its tension, fit a
new nut.

4-MIX Engine

The STIHL 4-MIX engine features
mixture lubrication and must be run on a
fuel mixture of gasoline and engine oil.
It operates otherwise on the 4-stroke
principle.
10
7
English
15