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Does not engage? I lost the instruction book. I cannot see any switch, only the variable speed switch. When turned on, moter works fine, shaft does not turn. This tool never used. about ten years old. Am I missing something?
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Sounds as though you are on the right track. I would take it apart, and see if the trigger could have some dirt or other material causing it to stick, or is it worn to the point that it needs to be replaced. Good luck!
The SF4000a Is a cordless Drywall Gun. Even thought it has variable speeds most people run it full speed and then press and engage the chuck to run the screws in. The variable speed is used more to back out screws in reverse
I found a coupling part at ereplacementparts.com and the part number is 2615294309, but I would recommend calling Dremel direct at 1-800-437-3635 to ensure this is the right one. They made a change on this coupling. Let me know if you need more assistance.
this is a belt driven transmission. from the engine driven pulley going aft towards the xmission differential there is another smaller variable speed pulley, there is a long belt between these two, from the variable speed pulley there is a larger xmission pulley that sits kitty-corner to it with a belt between these two. This larger "xmission pulley" is what drives the differential and depending upon which gear you have selected, makes it go forward or reverse. Check that both belts between pulleys are on, check that pulley's hardware is completely secured (nuts tightened down) The heads of these pulley's are splined to align to the shaft(s) and if they aren't tight, they will just spin and not engage the transmission. If your battery is under the seat, remove it and you should be able to see and access the aft pulleys. If both belts are on and engaging the pulley's and the shaft is turning on the transmission pulley than you have transmission differential failure. Bet it's the belt off or pulley head loose. Good luck, hope this helps
if you have an electric transfer switch start by checking the fuse, next if you have access to a lift
great if not on paved level ground jack it up onto 4
jack stands, have a helper get in the trk. to operate
the sw. check for pwr. at the shift moter if good start
trk. engage 4wd moter + see if the output shaft is
turning from the trans case to front differentialif it is
you may have a bad frt. hub. also if you have a manual shift case make all linkage is working to
the case the rest is the same. hope this helps
good luck.
There's actually a Troy-Bilt Pony riding lawn mower as well. If yours is like ours, a model 13AN77TG766 [URL:http://manuals.mtdproducts.com/mtd/DocGetter?doc=769-02243a.pdf], it doesn't actually have gears but rather a variable-speed pulley. The lever on the dashboard actually controls how high the brake pedal will go, while the brake pedal controls the position of the variable-speed pulley, which controls the effective gearing ratio. That's how it can go at any speed with the engine still going at the same rate and without having to disengage a clutch.
So perhaps your mower is engaging the parking brake too early (page 17 of our manual). The other thing I can think of is grass in the variable-speed pulley. To check that, remove the spark plug and the battery (7/16-inch socket). Then move the shift lever through its full range and check the shaft of the variable-speed pulley (part 63 on page 34) for debris, both above and below the loose plate thingy. (You should be able to turn it quite easily if you put the forward/reverse lever in neutral.)
Release the belts and check if you can turn the chuck by habd, if the chuck won;t turn, two things could be wrong, 1) the quill bearings are bad or 2) the shaft that runs down thru the quill could ve rusted causing a restriction, if that's the case, WD 40 should loosen it.
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