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APRON WORM DRIVE CHAIN
The main apron drive chain is kept tight with a nylon roller
type adjustable tightener. Periodically check tension on
chain. Chain is properly adjusted when there is 1/8”
deflection in center of chain. Also check tightener for wear
and replace when necessary.
ADJUSTMENTS
APRON
1. Adjust the apron by loosening the mounting bolts on
the chain slides on the outside of the frame. Mounting
bolts shown in the drawing.
2. Tighten the adjusting bolts until the apron has no sag
between the rear drive sprockets and chain slides
under spreader.
NOTE: Tighten the adjusting bolts (on each front corner) equally on each side so that the apron slats run
parallel with the ends of the bed. The apron will be damaged if the machine is operated with one end of the
apron slats running ahead of the opposite end. Do not tighten the apron chains excessively.
MOUNTING BOLTS ADJUSTING BOLT
WHEEL HUBS
To adjust wheel hubs, tighten the castellated nut on
the spindle to the point where there is no end-play
and a slight drag on the bearings. Replace the
cotter key with a new one of the correct size.
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