Setting The Chain Tension Of The Gathering Chain; Gearbox-Adjustment Of The Hex Shaft And Gear Backlash - MacDon C Series Operator's Manual

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Setup procedure and adjustment of the corn head

8.7 Setting the chain tension of the gathering chain

The sprockets pre-tensioner spring is sized, that it will not require regular adjust-

ment or readjustments.

The alignment of gears is correct if their symmetry axes are perpendicular to each

other.

It's needless to measure the angle because a wrong adjustment will be clearly visi-

ble. The amount of gear backlash relative to the elementary tooth and can be

measured by rotating the gear on one shaft relative to the gear tooth of the mating

shaft.

Roughly 1° of rotation sets the required backlash. The setting can be varied by ad-

justing the quantity of gasket shims.

Flute roll gearbox

Knife roll gearbox

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