32
Tension Shaft
Mount Nut
105mm
200mm
733
98.5
±
1
Adjustment
Bolt
Tight
Loose
(Fig. A)
(Fig. B)
Pressure:
5kg
8
8
8
.
..
RUBBER CRAWLERS ADJUSTMENT AND REPLACEMENT
Since Jan. 2005, Rubber Crawler specifications for CU-406 to CU606SF Series were revised in keeping with model improvements.
8-1
ADJUSTMENT
(1)
Tension adjustment
①
Raise the machine upright, then loosen Tension
Shaft Mount Nut.
②
Adjust the tension by turning Adjustment Bolt.
As Adjustment Bolt turns clockwise, tension will
increase.
To obtain the standard tension, adjust the distance
between the inside of Rubber Crawler to 105 mm
while 5kg pressure is applied to Rubber Crawler
200 mm from the center of Sprocket Wheel.
(Fig. B)
It is possible to adjust the tension with 2 other ten-
sion adjustment procedures: the distance between
the center of Driven wheel and the top of the bracket
should be 98.5 mm or the distance between the
centers of the front and rear Sprocket Wheels
should be 733 mm. (Fig. A)
NOTE :
After tension adjustment, be sure to tighten
Tension Shaft Mount Nut securely.
