Set John Blue™ Variable Rate Pump Drive Range

IMPORTANT: Avoid pump damage. Remove drive chain from piston pump when fertilizer system is not in use.

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Front Pump High Range Shown

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Rear Pump High Range Shown

A - Idler

B - 16-Tooth Sprocket

C - 35-Tooth Sprocket

Release tension on chain by pulling back on tensioner (A). Install chain on 16-tooth pump sprocket (B) and on 35-tooth drive sprocket (C) and release tensioner.

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Front Pump Low Range Shown

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Rear Pump Low Range Shown

A - Idler

B - 35-Tooth Sprocket

C - 16-Tooth Sprocket

Release tension on chain by pulling back on tensioner (A). Install chain on 35-tooth pump sprocket (B) and on 16-tooth drive sprocket (C) and release tensioner.