The sub conveyor and elevator are of chain type with welded carriers. Check the chain tensioning and look
for uneven wear.
7.7.2 Adjusting the conveyor chains
Same procedure on both chains. Tighten the chain tensioner, until all play is gone. Adjust equally on both
sides, and check that the tracking of the chain is centered. If the wear in the chain links is too large to
achieve proper chain tension, one link can be removed.
Figure 7.8 :
Elevator conveyor chain
Figure 7.9 :
Sub conveyor
Procedure
l Loosen the four bolts holding the bracket.
l Untighten the counter nut and tighten the bolt on the chain tensioner until correct
chain-tension is achieved.
l Adjust both sides equally.
l Tighten the counter nut and the attaching bolts on bracket.
7 MAINTENANCE AND MECHANICAL ADJUSTMENTS 73
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