Implications during adjustment:
When adjusting either the left side (drive chain tension) or the right side (belt tracking) of this roller,
these adjustments influence each other. Hence, you have to adjust both sides multiple times, until you
achieve the ultimate chain tension and belt tracking combination.
Adjustment:
1. Untighten the two bolts holding the adjustable bracket.
2. Adjust the chain tension by turning the nut on the bolt.
3. Tighten the bolts holding the adjustable bracket when the chain-tension is OK.
4. Readjust the right side to find the optimal lining of the belt.
5. Repeat if necessary.
NOTE: Right side adjustment (belt tracking) is done by following the same general steps as described above.
IMPORTANT: Check the chain tension after adjusting the belt tracking.
7.4.2 Chain tensioner B and C
Control:
The length of the spring should be between 130 - 140mm.
Adjustment:
Increase the chain tension by tightening the nut on the bolt.
Figure 7.2 :
Chain tensioner B and C
7 MAINTENANCE AND MECHANICAL ADJUSTMENTS 69
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