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Craftsman DYT4000 engine dies when you let out clutch in neutral
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Posted by newbie38 (My Page) on Sat, Sep 22, 07 at 19:45
| I have a craftsman DYT 4000 tractor. It starts and runs fine and throttles up and down smoothly without missing. When you start to release the clutch (in neutral) the engine immediately begins to die. If you let the clutch all the way out it dies completely. If you push the clutch back in as soon as it starts to die, it immediately goes back to running smoothly. When the engine starts to die, the tractor does not lurch forward as if it is in gear.
Any ideas? I'm at a loss here. Thanks! |
Follow-Up Postings:
RE: Craftsman DYT4000 engine dies when you let out clutch in neut
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| I'm not personally familiar with this brand/model of tractor but it sounds as if the transmission might have become "stuck in 2 gears" or the input shaft to the transmission might have seized up. Does the tractor still drive normally if you attempt to engage the clutch with the gear selector in forward or reverse gears? Does this machine have a separate brake/park brake pedal or do the brakes come on when you depress the "clutch"? Or, it might possibly be a fault in some interlock safety switches, but again, I'm not familiar with this specific machine. |
RE: Craftsman DYT4000 engine dies when you let out clutch in neut
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It sounds like a seat switch. The tractor "thinks" that no one is in the seat, so it shuts down as soon as the clutch/brake is released. A quick check is to try to engage the deck while holding the clutch in with the engine running, if it also dies, or trys to die then, you know that it is the seat interlock switch.
steve |
The wood block above the seat switch has moved
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YUP THE SEAT SWITCH
If this is as cheesy as the GT 5000 there is a wood block that engages the switch as the switch is too short. That block moves around and eventually falls out of position. Take the two bolts out of the seat bracket and the whole assembly will come apart in your hand
THere will be a wood block just flopping around
Take some epoxy and glue that wood block to the upper half of the metal bracket just above where the seat switch is in the bottom of the bracket. We spent $150 with a Sears repairman, travel and all to find out what you now know for free. Symptoms were identical |
RE: Craftsman DYT4000 engine dies when you let out clutch in neut
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| When the tractor is in neutral the seat switch will not turn the engine off. I would suspect the linkage. |
RE: Craftsman DYT4000 engine dies when you let out clutch in neut
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| I believe that what don 1 2006 is referring to is only true IF the parking brake is applied and locked. |
RE: Craftsman DYT4000 engine dies when you let out clutch in neut
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mownie, I believe you are correct, at least my Craftsman and JD both operate that way.
sadixen49, also is correct in that way of checking.
davidd, my craftsman doesn't have a wood block but I would have a look see if that was the indication. A tube of glue is cheaper than $150.00. |
RE: Craftsman DYT4000 engine dies when you let out clutch in neut
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| don_1_2006 wanna bet???? I know otherwise |
RE: Craftsman DYT4000 engine dies when you let out clutch in neut
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| "When the tractor is in neutral the seat switch will not turn the engine off." That depends. I can get off my Wheel Horse when it's in neutral and the engine continues to run (provided that the pto is not engaged). I believe that seat switch functionality varies by manufacturer. -Deerslayer |
RE: Craftsman DYT4000 engine dies when you let out clutch in neut
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| Setting the parking brake is the key to this situation. In fact if you set the parking brake you can leave the tractor in gear and leave the seat without killing the engine. The problem here is if your parking brake fails you may be chasing this thing down I-70. |
RE: Craftsman DYT4000 engine dies when you let out clutch in neut
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| Now THAT would make an award winning video :) |
RE: Craftsman DYT4000 engine dies when you let out clutch in neut
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| You can also hold the brake down with your foot and get off the seat and the tractor will continue to run, an on Sears this is a good indication that the seat switch is not functioning at all. When the seat switch is working properly on a Sears you can't get off the tractor and have it continue to run even if the brake is depressed. |
RE: Craftsman DYT4000 engine dies when you let out clutch in neut
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| I can get off my Craftsman with the tranny in neutral and the parking brake locked. Never tried it any other way. Maybe mine has an extra block of wood under the seat that should have gone on newbie's tractor! :^) |
RE: Craftsman DYT4000 engine dies when you let out clutch in neut
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| I am with the others... The craftsman machines (or at least my 2003 GT5000) have to have the brake set to be able to get out of the seat and still have the engine running. If it is turning off when u release the clutch/brake like u turned the key off and ur still in the seat, the seat switch or wires to it have a problem like the others stated. If the brake is not set, and the trans is in neutral if u get up out of the seat it should die, also no matter what if the mower deck is (on) even with the brake being set and u get up out of the seat it should die. Howdy folks, it’s been a while lots of new names...:) |
RE: Craftsman DYT4000 engine dies when you let out clutch in neut
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| When the seat switch is working properly on a Sears you can't get off the tractor and have it continue to run even if the brake is depressed. On my DYT4000, you can set the parking brake, pto off, and get off the seat with the mower running. Has been that way since brand new. I doubt the seat switch is the problem. Especially since they said it "lurched" even in neutral. |
RE: Craftsman DYT4000 engine dies when you let out clutch in neut
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| I just had the same problem this morning. The previous owner had a bypass switch under the seat that became disconnected. I spent hours trying to figure it out until I finally logged onto this site. I would have spent hours more and probably taken it for repairs if I hadn't given this site a try. Thank You!!!!!! |
RE: Craftsman DYT4000 Need Manual
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| I just got one of these yesterday..runs fine. I need a manual...would be more than happy to pay for a copy. Please e- mail me at Tech@sheppardinc.com Thanks |
RE: Craftsman DYT4000 engine dies when you let out clutch in neut
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For a manual, go to-
http://www.searspartsdirect.com Plug in your 917.xxxxxx# and then look when the page loads, look on the right side to see if a manual is available. IF it isn't, post your 917# here and maybe I can find one thats very close.
Sometimes they'll have a manual for example, 917.272240 but not 917.272242.
Also, sometimes tractors that are only 1 number off may be very different. I've seen very different electrical schematics for example. |
RE: Craftsman DYT4000 engine dies when you let out clutch in neut
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Howdy Folks...
After Winter of 2008 was over, and including a several month long drought, I finally got my Sears 917274400 Lawn Tractor started again.
I put it into reverse, moved back about 50 feet, then noticed that someone had hung-out lots of clothes. I decided to move the tractor back to where it was parked, so I put it into 1st Gear and did so.
I noticed that when I tried to put the blades into engagement, that they were either stuck, or loaded with grass; so I turned the mower off, and proceeded to clear out any mess.
When I got back on and re-started the mower, when I removed my foot from the clutch/brake pedal, the mower would die unless I had the parking brake engaged.
The Brake Rod was not in the feedthrough bracket beneath the transmission; so this may be another problem. I straightened the rod so that it's length allows it to reach the feedthrough; but the mower continues to stop when the clutch/brake pedal is released.
Any ideas as to the problem; and can anyone tell me where the dadgummed interlock switches for the clutch/brake pedal, and the blade engagement lever are ??? Thank You All in Advance ! ed VA |
RE: Craftsman DYT4000 engine dies when you let out clutch in neut
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You can download an OM at-
http://www.managemyhome.com/mmh/lis_pdf/OWNM/L0409324.pdf The electrical schematic is on page 33/56. Basically the engine kill circuit works when the "M" terminal of the key switch is grounded. Most likely, the clutch/brake switch is misadjusted/bad, or ditto the seat switch.
Also make sure the connector to the seat switch is fully plugged in. THAT connector is called a "shorting connector". WHEN UNPLUGGED, A METAL TAB SLIDES IN PLACE AND COMPLETES THE CIRCUIT, KILLING THE ENGINE. tHE SWITCH MUST BE "OPEN" FOR THE ENGINE TO RUN. Simply unplugging it, does not disable it.
OTOH, the clutch/brake or attachment switches can be unplugged, to test, but the engine won't crank over to start. You can jumper 12V to the small terminal on the starter solenoid (white wire) to crank the engine, or start the engine and then unplug the latter 2 switches to test. |
RE: Craftsman DYT4000 engine dies when you let out clutch in neut
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| I charged the battery and started mowing. Everything was fine but the mover stopped due to the battery again. I think that it is not being charged while running. Anyone know where the alternator is on the 4000? Thanks. |
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