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FBD-KM
English
13
Checking for 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, always install a new
one.
Preparations
N
Lay the bed redefiner on its back
with the blade mounting (1) facing
up.
Removing the Blade
N
Insert stop pin (2) – see "Special
Accessories" – into hole (3) as far
as stop to block the shaft.
N
Fit the combination wrench (5) on
the screw (6).
N
Loosen the screw clockwise (left-
hand thread) and take it out.
N
Remove the thrust washer (7).
N
Remove and replace the blade (8).
Mounting the Blade
N
Position the blade (8) on the thrust
plate (4).
WARNING
Collar (see arrow) of thrust plate must
engage the blade's mounting hole.
N
Place thrust washer (7), raised side
facing up, on the shaft (9) and block
the shaft.
N
Fit screw (6) on the shaft
counterclockwise (left-hand thread)
and tighten it down firmly.
A
New blade
B
Blade partly worn – still
serviceable
C
Blade worn – install new blade
9924BA025 KN
A
B
C
1
9924BA029 KN
8
7
2
3
4
6
9924BA013 KN
5
8
9
9924BA014 KN
4
7
6