Question about Garden
The shaft going into the gear housing that spins the tines moves, but the tines dont spin
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Posted on Jan 02, 2017
Hi! I had the same problem last month. Contacted Mantis customer support. Below is the info they gave me Removing Worm Gear Place transmission in a vise with housing cover facing up and drive shaft to the left. Clamp brass worm gear so it cannot move and turn the tine shaft counter clockwise to remove; the shaft is threaded into gear, not pressed. The tine shaft is one solid piece and has right-hand threads. As it comes out of the housing, the bearings, seals & retainers will fall out with the tine shaft. Removing the Worm Shaft Take out the retaining clip at the lower end of the transmission; remove the drive shaft from the top end of the transmission. Place a rod that is longer than the drive shaft into the top of the transmission. Tap gently, and the worm shaft will fall into the cavity of the transmission housing. Hope this helps.
Posted on Jun 06, 2009
The problem lies in the shift lever in the gearbox. A poor initial design that was upgraded twice. The shift fork arms have spread enough for pins to come out of the groove they run in when the tiller is shifted to the last position. (Bending back into position would only be a temporary fix as would not be any stronger.) To replace shift lever, the gearbox cover has to be opened. Seperating the cover can be somewhat challenging. When prying cover apart try to not damage the cover gasket. Gearbox grease is very thick, so gasket's real purpose is to keep water and contaminants out. Leave all gearing and chains in place. The shift lever part number is 618-0245B. Or use assembly kit number 753-0869 (contains shift lever 618-0245B, position indicator, and roll pin.) Part will run in the $56-$68 range and can be found through MTD as well as Cub Cadet. Also can get through Sears PartsDirect.
Posted on Dec 13, 2009
The spring goes in first followed by the ball. The ball should not get in the key way because that is filled by the slider pins that go up into the spur gear that drives the tines. Actually the slider pins drive all of the gears by engaging different gears as the gear collar is moved up and down. The detent spring and ball is the mechanism that is supposed to hold the the clutch collar in place. Mine jumps out of gear when tilling any depth except very shallow. I have reinforced the shifting forks and replaced the pins on the end of it. I believe that the pins wear and the arms spread because i have to keep pressure on the shifting rod or it will jump out of gear when tilling. Even with the reinforcing, pressure on the shifting rod will wear out the pins on the shifting arm. This will be my 3rd reassembly and I am leaning toward the detent spring being weak and allowing the shifting collar to move too easily. I may order an new spring and ball and see if that helps. I am getting pretty good at taking it apart.
Posted on Apr 16, 2011
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