Operators Manual

69Series 4144 Components FC, FS, KM
The drive shaft is supported in the
flexible liner inside the drive tube.
If the drive shaft has turned blue,
install a new one.
– Before installing the drive shaft,
coat it with STIHL gear lubricant
for hedge trimmers, b 11
– Apply the grease evenly to the
drive shaft. Do not pump grease
directly into the drive tube or
flexible liner.
: Push the drive shaft (1) into the
flexible liner (arrow) until it
engages the square recess in the
gearbox.
– Check operation.
– Rotate the drive shaft – the
gearbox output shaft must rotate
too.
545RA250 TG
1
– Line up the gearbox (1) so that
the depth wheel (2) is under the
drive tube (3).
– Push the gearbox (1) on to the
drive tube (3) as far as stop.
: Tighten down the screw (arrow)
firmly.
– Reassemble in the reverse
sequence.
– Tightening torques, b 3.4
9.1.3 Disassembling (FS 56)
– Remove the drive tube, b 9.1
– Remove the loop handle if
necessary, b 9.1.6, b 9.1.7
– Remove the carrying ring if
necessary, b 9.2.3
– Remove the deflector, b 9.2.2
: Loosen the screw (arrow).
545RA292 TG
2
1
3
545RA252 TG
1
– Pull off the gearbox (1), check it
and repair or replace as
necessary – see "KombiTools"
service manual.
: Pull the drive shaft (1) out of the
drive tube.
If the drive shaft has turned blue,
install a new one.
: Pry the plug (1) out of the drive
tube.
: Pull the flexible liner (1) out of the
drive tube.
– Check the individual parts and
replace if necessary.
1
545RA234 TG
1
545RA253 TG545RA248 TG
1