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Engine dies when PTO engaged

#1

M

Mpodes

Greetings,

I have a Simplicity 1694630 Broadmoor. I replaced the battery this summer because it would not start. The tractor starts and runs fine, throttles up and down well. My problem is when I engage the PTO switch. At that time, the engine shuts down. If I disengage the PTO switch, before the engine stops, it will continue to run.

This happens with the mower deck on as well as off, so there is no load problems with the the deck.

I've check the seat switch, and it appears to be working fine. However, I do not have a wiring manual to check the rest of the electrical system out to see what's happening. Can anyone help?


#2

M

mechanic mark

Mpodes said:
Greetings,

I have a Simplicity 1694630 Broadmoor. I replaced the battery this summer because it would not start. The tractor starts and runs fine, throttles up and down well. My problem is when I engage the PTO switch. At that time, the engine shuts down. If I disengage the PTO switch, before the engine stops, it will continue to run.

This happens with the mower deck on as well as off, so there is no load problems with the the deck.

I've check the seat switch, and it appears to be working fine. However, I do not have a wiring manual to check the rest of the electrical system out to see what's happening. Can anyone help?
Click to expand...
have you tried going to simplicity lawn tractor website, click on support, then manuals, then model 1694630, then operators manual and go to troubleshooting section ? hope this helps you out.


#3

M

Mpodes

mechanic mark said:
have you tried going to simplicity lawn tractor website, click on support, then manuals, then model 1694630, then operators manual and go to troubleshooting section ? hope this helps you out.
Click to expand...

Yeah, the troubleshooting section is less than helpful. What I need is a wiring diagram to check for shorts/opens and bad circuits so I can find the problem. Simplicity doesn't offer that on their site.


#4

M

mechanic mark

Mpodes said:
Yeah, the troubleshooting section is less than helpful. What I need is a wiring diagram to check for shorts/opens and bad circuits so I can find the problem. Simplicity doesn't offer that on their site.
Click to expand...

e-mail tech support for schematic, if you have 250 hours or more on 1694630 you need to check air gap at clutch per operators manual page 36 on simplicity's website, scroll down to last english operators manual.


#5

M

mechanic mark

Mpodes said:
Yeah, the troubleshooting section is less than helpful. What I need is a wiring diagram to check for shorts/opens and bad circuits so I can find the problem. Simplicity doesn't offer that on their site.
Click to expand...

Contacted Briggs & Stratton (Briggs & Stratton owns Simplicity) for wiring diagram for broadmoor tractor, see attached.
Hope this helps.

Attachments


  • Simplicity Broadmoor Wiring Schematic.pdf
    126.4 KB · Views: 56


#6

M

mechanic mark

Mpodes said:
Yeah, the troubleshooting section is less than helpful. What I need is a wiring diagram to check for shorts/opens and bad circuits so I can find the problem. Simplicity doesn't offer that on their site.
Click to expand...

I'm enclosing wiring schematic for your 1694630.

Attachments


  • Wire diagram 1694630.pdf
    134.7 KB · Views: 53


#7

M

Mpodes

mechanic mark said:
I'm enclosing wiring schematic for your 1694630.
Click to expand...

Mark, thanks - that's exactly what I was looking for.


#8

M

mechanic mark

Mpodes said:
Mark, thanks - that's exactly what I was looking for.
Click to expand...

Glad to be of assistance, Thanks


#9

M

mechanic mark

Thanks for the information.


#10

J

joe post

Mpodes said:
Greetings,

I have a Simplicity 1694630 Broadmoor. I replaced the battery this summer because it would not start. The tractor starts and runs fine, throttles up and down well. My problem is when I engage the PTO switch. At that time, the engine shuts down. If I disengage the PTO switch, before the engine stops, it will continue to run.

This happens with the mower deck on as well as off, so there is no load problems with the the deck.

I've check the seat switch, and it appears to be working fine. However, I do not have a wiring manual to check the rest of the electrical system out to see what's happening. Can anyone help?
Click to expand...

The problem is with the reverse pedal switch. It is malfunctioning. Most likely it has to be repositioned or the plug into the switch is not fully seated. A way around it is to hold the RMO switch on as you activated the PTO switch. This will allow the PTO to engage and not stall the engine. Realize though that you are set up to mow in reverse. Unless you fix the reverse pedal switch you will always have to activate the RMO before you activate the PTO.


#11

M

mechanic mark

http://bsintek.basco.com/BriggsDocumentDisplay/khFBHQ.gtM8uH8Fzd8nSh9.tfnq5Y.pdf


#12

A

Amysue

mechanic mark said:
Glad to be of assistance, Thanks
Click to expand...

Could you send me that diagram, I,m having the same problem. Thanks amysue


#13

M

mechanic mark

Amysue said:
Could you send me that diagram, I,m having the same problem. Thanks amysue
Click to expand...
Look at number 6 this page below attached files, click on words wiring diagram & it will pop up at bottom left corner of screen, give it a few seconds to load then click on box, look at left side of page, 4 wiring diagrams will show up, click on #3 to locate PTO diagram, click on plus sign at top of page for visibility.

Fixing Electric Clutches

https://www.google.com/webhp?source...v=2&ie=UTF-8#q=how to troubleshoot pto clutch watch youtube videos


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