Maintenance and care
32
Checking V-belts
Checking condition
D
Check V-belts for cracks, oil, overheat-
ing and wear
D
Change demaged V-belts
Checking tension
Use V-belt tension tester to check V-belt
tension.
D
Lower indicator arm
À
into the scale
D
Apply tester to belt at a point midway
between two pulleys so that edge of
contact surface
Á
is flush with the
V-belt
D
Slowly depress pad
Â
until the spring
can be heard to disengage. This will
cause the indicator to move upwards
If pressure is maintained after the spring
has disengaged a false reading will be
obtained!
Reading of tension
D
Read of the tensioning force of the belt
at the point where the top surface of
the indicator arm
À
intersects with the
scale
D
Before taking readings make ensure
that the indicator arm remains in its
position
If the value measured deviates from the
setting value specified, the V-belt tension
must be corrected.
1
2
3
Drive
Tensioning forces according to
the kg graduation on the tes-
ter
Drive
belt
idth
New installation
When
servicing
width
Installa-
tion
After 10
min. run-
ning time
servicing
after
long run-
ning time
2/3VX
90
−
100
70
−
80
60
