Measuring Tension; Reading Of Tension; Tensioning And Changing V-Belt; Tensioning Forces On The Tester - Daewoo DE12T Manual

4) Measuring tension

1
Lower indicator arm (1) into the scale.
•
Apply tester to belt at a point midway
between two pulleys so that edge of
contact surface (2) is flush with the V-
belt.
•
Slowly depress pad (3) 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!
2

Reading of tension

•
Read of the tensioning force of the
belt at the point where the top sur-
face of the indicator arm (1) inter-
sects with the scale.
•
Before taking readings make ensure
that the indicator arm remains in its
position.
Type Drive belt width
M
A 11.8 mm
B 15.5 mm
C 20.2 mm

(5) Tensioning and changing V-belt

•
Remove fixing bolts. (1)
•
Remove lock nut. (2)
•
Adjust nut (3) until V-belts have cor-
rect tensions.
•
Retighten lock nut and fixing bolts.
To change the V-belts loosen mounting
bolts (1) and lock nut (2) and push ten-
sion pulley inwards by turning adjust-
ing nut (3).
Installation
9.5 mm 50 kg
55 kg
75 kg
75 kg
- 173 -

Tensioning forces on the tester

new installation
After 10 min.
running time
45 kg
50 kg
70 kg
70 kg
(2)
(1)
(3)
(1)
(1)
MAINTENANCE OF MAJOR COMPONENTS
(1)
EA6O6011
(3)
(2)
EA6O6012
When servicing after
long running time
40 kg
45 kg
60 kg
60 kg
EE6OM024