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740, 840 & 840G Snowblowers
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OPERATING INSTRUCTIONS – cont’d.
9. Periodically check all bolts for tightness. The bolt holding on the fan and
the bearing bolts are of particular importance.
10. Danger: Always stop blower for servicing or unplugging. The PTO
should be disengaged before dismounting from the tractor.
11. CAUTION: Always check to see that both ends of the PTO shaft
are securely attached as per instructions every time you are preparing to
use the snowblower.
12. Shear Sprocket: The Shear Sprocket (#52) should be checked at the
beginning of every season to make sure it will spin freely. With time this
sprocket could corrode and seize which will not allow the shear bolt to
break if something jams in the snowblower auger. Clean to loosen if
necessary.
13. When replacing bearings or tightening a loose bearing collar, always
tighten collar in the direction of shaft rotation using a center punch or a
similar tool.