Side Chain Tensioner - Stihl MS 240 Instruction Manual

1
: Drive home the pins (1 and 2) as
shown in the illustrations.
a
b
: Carefully tap home the pins to
obtain the following dimensions:
Pin (1) a = 4.3 – 4.7 mm
Pin (2) b =. 3.0 – 3.4 mm
5
3
4
: Drive home pins (3, 4 and 5) as
specified below.
28
2
: Carefully tap home the pins to
obtain the following dimensions:
Pin (3) a = 4.3 – 4.7 mm
Pin (4) b = 3.0 – 3.4 mm
Pin (5) = 3.0 – 3.4 mm
The pins must be driven home
squarely.
1
– Reassemble all other parts in the
2
reverse sequence.
– Tightening torques, b 3.5
– Lubricate the brake and cam
levers, b 17
a
4
3
5
c
b
7.6

Side Chain Tensioner

– Remove the sprocket cover and
cutting attachment, b 5
– Troubleshooting, b 4.2
2
1
– Remove the side plate.
: Turn the spur gear (2) clockwise
until the tensioner slide (1) butts
against the right-hand end and
the screw (arrow) is visible.
: Take out the screw (arrow).
– Pull out the tensioner side with
adjusting screw, thrust pad and
spur gear.
MS 240, MS 260, MS 260 C