Stihl FC 91 User Manual

FC 91
English
23
Removing the skirt
N Undo and remove the screw (1).
N Remove the washer (2)
N Pull the skirt (3) out of the
segment (6) and out of the gap (5) in
the deflector
Fitting the skirt
N In order to push the skirt easily into
the gap on the deflector, apply a thin
coating of resin-free oil to the top of
the skirt
N Thread the skirt (3) into the
segment (6) and push into the
gap (5) of the deflector – the bore in
the skirt must be fixed in the
arbor (4)
N Place washer (2) onto screw (1).
N Insert and tighten the screw (1)
Do not attempt to straighten or weld a
bent or cracked blade – it may break – it
must be replaced – see "Mounting the
Cutting Blade".
STIHL recommends you use only the
following original STIHL cutting blades:
Do not resharpen the blade.
N Replace the blade (1) if its
length (A) is no longer sufficient to
maintain the necessary ground
clearance (B) and obtain the
required depth of cut (C).
Checking Out-of-Balance
To avoid out-of-balance:
N Have your dealer check the blade
for out-of-balance on a STIHL
balancer (special accessory) –
STIHL recommends an authorized
STIHL servicing dealer. If blade is
out-of-balance, fit a new one – see
"Mounting the Cutting Blade".
Replacing the Skirt
3
239BA024 KN
1
4
5
6
2
6
4
5
21
239BA025 KN
3
Replacing the Cutting Blade
Length Thick-
ness
Marking
200 mm 2.4 mm 4133 / 01
200 mm 3.8 mm 4133 / 02
A
C
B
239BA026 KN
1

Stihl FC 91 Specifications

General

Brand	Stihl
Model	FC 91
Category	Trimmer
Language	English