John Deere LX176 blades won't stay in

This thing went round my evergreen very close- {blades quit},when it got around and started back down the lawn. The blades decided to not keep turning again SO! i pulled the yellow switch----- blades started to turn once more. But if i kept pulling the yellow "blade engagement switch."It would keep cutting again, a few passes and "bam" it will shut blades off again.bet i jerked that switch 5 times in a 25 foot swath ./ Whats ailing this thing? Is the clutch worn out? you tell me please. thank you much bob sIts 20 years old i would say


The switch is new from last summer.As long as i kept pulling this knob the blades would keep kicking back in.

 

Could be a safety switch unseating or even a weak battery. Will it stay engaged if you don't move?

 

If you are bouncing in the seat, it will shut off the blades every time and you slightly disengage the seat switch and then you have to re-engage them. You may want to sit farther back in the seat or move it forwards to put your center of gravity closer to the rear of the seat (assuming you're a light person). If not, then I would suspect a problem with the seat switch or connection/wiring.

 

I appreciate the replies- first off, OK i'll check these tips. One other thing has me concerned. The " auto glide" is what this is. Its not Shift lever on it? forward and reverse. by foot control, The thing i am noticing- When you come to a stop in forward......the mower stops dead --(still running) real hard stop.....when you put your foot on the reverse foot lever, It takes off good ,but stops dead immediatley..........hard stop. Seems like it came to a stop softly in either direction- as compared to, When it was new.Is there clutch linings that need to be replaced ?to smooth out the abrupt stops.I have thinking it may just need a clutch? Or is this just the nature of the beast so to speak? thanks much for any more tips. great week to you guys bob s

 

The pedals work just the same as a lever on the fender except there is more linkage involved. Likely that linkage is built up with debris and not releasing as smoothly as before, so when you let off it kinda sticks then the springs pull all of a sudden. IOW, even with new if you had the pedal full down and abruptly released it, it should come to an abrupt halt.
Unless you have some grease zerks, (consult your owners manual) you really can't and shouldn't lube anything as that will build up with debris faster. Best thing is to just clean well with air.

 

OK You guys...........alls well on this mower now after doing your suggestions DIY[/B]saved me some money once again . The switch i inadvertantly popped out the -"underseat kill" switch as i was rounding the evergeen tree.Works just like it should,Leaning to far keep from getting poked by the needles made the switch act up... hoooooray for DIY forums bob s
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BFHFIXIT~~~~~Thank you for that tip also. feel better about the problem now great weekend to you and thanks bob s