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Rebuilt Marker Control For Planter
Ernest D. Marlof, Muscatine, Iowa: "The marker control unit on my Deere 494A 4-row (38-in.) planter didn't always work right.
Sometimes the control wouldn't shift corrrectly and the wrong marker would drop. "The device will work on Deere 494, 495 and late model 1240 planters since they all use the same marker co
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Rebuilt Marker Control For Planter PLANTERS Planters 22-4-38 Ernest D. Marlof, Muscatine, Iowa: "The marker control unit on my Deere 494A 4-row (38-in.) planter didn't always work right.
Sometimes the control wouldn't shift corrrectly and the wrong marker would drop. "The device will work on Deere 494, 495 and late model 1240 planters since they all use the same marker control system."
"To solve the problem, I added a spring-loaded trigger to the control, which ensures the right marker drops at the right time. It consists of a 2 1/2-in. long spring attached with a cotter key to a 6-in. rocker bar I built out of 1 1/2-in. wide, 1/4-in. thick bar. It's controlled by the marker control chain. The other end of the spring attaches with cotter keys to the bracket, or latch, that controls the marker chain. I welded a crown to the top of the latch so I could bolt a mounting bracket for the trigger to the marker control unit.
"The only time I have problems with markers misfiring now is on extremely rough ground because the planter bounces around so much.
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