Tensioning The V-Belt - Stihl TS 400 Instruction Manual

English
5
4
6
3
7
8
8
Fit the V-belt (3) over the V-belt
N
pulley (4)
Line up the threaded holes in the
N
bearing plate (5) with the oblong
holes in the cast arm (6)
Push the V-belt guard (7) into place
N
on the inside
Screw in the hexagon head
N
screws (8) as far as possible – do
not tighten them down yet
Continue as described in the chapter

"Tensioning the V-belt".

18
Tensioning the V-belt
This machine is equipped with an
automatic spring-action V-belt
tensioning device.
2
Prior to tensioning of the v-belt, the
hexagon head screws (1) must be
loosened and the arrow on the
tensioning nut (2) must point to 0.
otherwise loosen the hexagon head
N
screws (1) and the tensioning
nut (2) with the combination wrench
counterclockwise –
approx. 1/4 turn, as far as
possible = 0
to tighten the v-belt, fit the
N
combination wrench over the
tensioning nut as illustrated
The tensioning nut is spring-loaded –
hold the combination wrench securely.
Turn the tensioning nut clockwise
N
approx. 1/8 turn – the tensioning nut
will be engaged by the spring
Continue turning approx. 1/8 turn –
N
up to the stop
Do not turn the combination wrench
further by force.
The V-belt is automatically tensioned by
the force of the spring in this position.
1
Remove the combination wrench
N
from the tensioning nut
Tighten the three hexagon bolts on
N
the V-belt guard
Retensioning the V-belt
The poly V-belt is retensioned without
the aid of the tensioning nut.
Loosen the hexagon bolts on the V-
N
belt guard
The V-belt is automatically tensioned by
the force of the spring.
Retighten the hexagon bolts.
N
TS 400