8.2.2
Checking the adjustment range of the
guard
A
370BA083 KN
► Rotate the guard forwards and backwards as
far as possible – adjustment range (A) must be
limited by the stop pin
Continue as described in the chapter “Tensioning
the V-belt”.
9
Tensioning the ribbed
V‑belt
This machine is equipped with an automatic
spring-action V-belt tensioning device.
1
1
1
2
0
1307BA029 KN
Prior to tensioning of the ribbed V-belt, the
nuts (1) must be loosened and the arrow on the
tensioning nut (2) must point to 0.
► otherwise loosen the nuts (1) and the tension‐
ing nut (2) with the combination wrench coun‐
terclockwise – approx. 1/4 turn, as far as pos‐
sible = 0
1
1
1
1307BA01
1 KN
► to tighten the ribbed V-belt, fit the combination
wrench over the tensioning nut as illustrated
WARNING
The tensioning nut is spring-loaded – hold the
combination wrench securely.
► Turn the tensioning nut clockwise
approx. 1/8 turn – the tensioning nut will be
engaged by the spring
► Continue turning approx. 1/8 turn – up to the
stop
NOTICE
Do not turn the combination wrench further by
force.
The V-belt is automatically tensioned by the
force of the spring in this position.
► Remove the combination wrench from the ten‐
sioning nut
► Tighten up the nuts (1)
9.1
Retensioning the V-belt
The V-belt is retensioned without the aid of the
tensioning nut.
1
1
1
1307BA012 KN
► Loosen the nuts (1) – V-belt is retensioned
automatically by the force of the spring
► Tighten up the nuts (1) again
9 Tensioning the ribbed V‑belt
English
0458-753-8321-C
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