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Old 01-09-2019, 10:07 PM
AL Farmall Boy AL Farmall Boy is offline
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Join Date: Jul 2012
Location: Alabama
Posts: 98
Default How to Bench Start an AQS Engine

How would I start this Kohler K-321 AQS engine that I pulled out of a Cub Cadet 1450 quietline parts tractor? I have ghenengine on the engine on the bench and want to test it. I filed the points and checked the wiring diagram and found the coil gets battery power from the switch and since it's out of the tractor I just used a jumper wire from coil (+) to battery (+). I then put a large jumper cable on a bolt on the engine head and the other end to the (-) battery post. Went around to move points to see if I had spark and it sparked and the "spring" part of the points that allow them to move caught fire and warped. The little harness plug that you see goes to regulator piece.......2 outer wires went to the stator on the engine so I left those unplugged since it has been removed. I think (I'm away from it now) that The middle wire on the regulator piece goes to negative side of coil.

Here are a couple of pictures so you can see what is going on. thenengine came out of a parts tractor and after pulling the oil pan it looks really good, so I want to see how well it will run. I thought it was stuck but it was just the PTO clutch that was stuck. The red battery cable on the starter was never hooked to the battery. Please tell me I just overlooked something simple. I was in a bit of a hurry because I was about to head home.
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Cub Cadet is a premium line of outdoor power equipment, established in 1961 as part of International Harvester. During the 1960s, IH initiated an entirely new line of lawn and garden equipment aimed at the owners rural homes with large yards and private gardens. There were a wide variety of Cub Cadet branded and after-market attachments available; including mowers, blades, snow blowers, front loaders, plows, carts, etc. Cub Cadet advertising at that time harped on their thorough testing by "boys - acknowledged by many as the world's worst destructive force!". Cub Cadets became known for their dependability and rugged construction.

MTD Products, Inc. of Cleveland, Ohio purchased the Cub Cadet brand from International Harvester in 1981. Cub Cadet was held as a wholly owned subsidiary for many years following this acquisition, which allowed them to operate independently. Recently, MTD has taken a more aggressive role and integrated Cub Cadet into its other lines of power equipment.

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