Stihl FS 90 User Manual

29FS 90, FS 90 R
English / USA
Removing Mounting Hardware
: Block the shaft – see next section
on "Blocking the Output Shaft".
: Use the combination wrench (6)
(supplied with machine or available
as special accessory) to unscrew
the nut (3) clockwise (left-hand
thread) from the shaft (2).
: Pull the thrust washer (5) off the
shaft (2).
The rider plate (4) is in the parts kit
supplied with the machine.
: Go to "Mounting the Mowing Head"
or "Mounting Metal Cutting Tools".
Blocking the Output Shaft
: Insert the stop pin or screwdriver (7)
(supplied with machine or available
as special accessories) in the hole
(8) in the gearhead as far as stop –
apply slight pressure.
: Rotate nut or cutting tool on the
shaft (2) until the stop pin slips into
position and blocks the shaft.
Mounting the Mowing Head
Keep instruction sheet for mowing head
in a safe place.
: Screw the
STIHL SuperCut 20-2,
STIHL AutoCut 25-2,
STIHL AutoCut C 25-2,
STIHL TrimCut 30-2,
STIHL PolyCut 20-3
counterclockwise onto the shaft (1)
as far as stop.
: Block the output shaft.
: Tighten down the mowing head.
Remove the tool used to block the
shaft.
7
8
2
002BA166 KN
7
1
002BA081 KN

Stihl FS 90 Specifications

General

Engine Displacement	28.4 cc
Fuel Type	Gasoline
Handle Type	Loop handle
Shaft Type	Straight
Fuel Capacity	0.53 l
Weight	5.8 kg
Cutting Attachment	Autocut 25-2
Engine Power	0.95 kW (1.27 bhp)