Changing Chopper Speeds

IMPORTANT: To prevent damage to chopper and tailboard, the chopper must be in "slow speed" position when harvesting corn.

Remove quick lock pin (A) from handle.


A-Quick Lock Pin

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To loosen idler move handle to down position.


A-Handle

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NOTE: Rear belt shield removed for photographic clarity.

For low speed (1200 rpm):

Install drive belt on small diameter groove (A) on jackshaft sheave and on large diameter groove (B) on chopper sheave.


A-Small Diameter Groove
B-Large Diameter Groove

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NOTE: Rear belt shield removed for photographic clarity.

For high speed (2500 rpm):

Install drive belt on large diameter groove (A) on jackshaft sheave and on small diameter groove (B) on chopper sheave.


A-Large Diameter Groove
B-Small Diameter Groove

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Move handle (A) to locked position (as shown).


A-Handle

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