All new parts, barely moves pds

Rokstok · 03-19-2015, 02:03 PM

Have a 2003 36 volt pds. First quit some months ago like very low battery, just would flintch. Toed it back to shop. Since then I have put in 2 solenoids, a new and rebuilt controllers new set of batteries, new ITS, made a set of cables, just replaced those with a new set from Scotty's, charged it on three different chargers, still it will just barely crawl. I'm stumped, anybody any ideas? I also checked things against the sticky's, everything seems good.

jdunmyer · 03-19-2015, 02:55 PM

After charging, let it sit for 12 hours or so, then check the pack voltage with your DVM. Report back here.

scottyb · 03-19-2015, 06:57 PM

Can you put it in diagnostic mode and then drive it until it gives a fault code?

Rokstok · 03-20-2015, 08:50 AM

Thanks for the responses. I'm getting 38.7 volts and 37.7 with pedal pushed at the battery. I couldn't get any response from diagnostic mode, had 3-2 many a part ago, but nothing now.

scottyb · 03-20-2015, 10:33 AM

I'm thinking it's time to pull the motor and inspect the brushes?

Rokstok · 03-23-2015, 03:08 PM

Thank you again. I forgot to mention in first post, also a new speed sensor. Pulled motor, brushes are 3/8 to 7/16 of an inch, messured with a wrench, out past the bracket that holds them. Seems to have spring pressure on them. What should I be looking for ?

03-19-2015, 02:03 PM	#1
Rokstok Not Yet Wild Join Date: Mar 2015 Posts: 5	All new parts, barely moves pds Have a 2003 36 volt pds. First quit some months ago like very low battery, just would flintch. Toed it back to shop. Since then I have put in 2 solenoids, a new and rebuilt controllers new set of batteries, new ITS, made a set of cables, just replaced those with a new set from Scotty's, charged it on three different chargers, still it will just barely crawl. I'm stumped, anybody any ideas? I also checked things against the sticky's, everything seems good.
Rokstok Not Yet Wild Join Date: Mar 2015 Posts: 5

03-19-2015, 02:55 PM	#2
jdunmyer Gone Wild Join Date: Nov 2010 Location: Lower SE Michigan Posts: 330	Re: All new parts, barely moves pds After charging, let it sit for 12 hours or so, then check the pack voltage with your DVM. Report back here.

03-19-2015, 06:57 PM	#3
scottyb Happy Carting Join Date: Dec 2007 Location: Southern California Posts: 73,406	Re: All new parts, barely moves pds Can you put it in diagnostic mode and then drive it until it gives a fault code?

03-20-2015, 08:50 AM	#4
Rokstok Not Yet Wild Join Date: Mar 2015 Posts: 5	Re: All new parts, barely moves pds Thanks for the responses. I'm getting 38.7 volts and 37.7 with pedal pushed at the battery. I couldn't get any response from diagnostic mode, had 3-2 many a part ago, but nothing now.
Rokstok Not Yet Wild Join Date: Mar 2015 Posts: 5

03-20-2015, 10:33 AM	#5
scottyb Happy Carting Join Date: Dec 2007 Location: Southern California Posts: 73,406	Re: All new parts, barely moves pds I'm thinking it's time to pull the motor and inspect the brushes?

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03-23-2015, 03:08 PM	#6
Rokstok Not Yet Wild Join Date: Mar 2015 Posts: 5	Re: All new parts, barely moves pds Thank you again. I forgot to mention in first post, also a new speed sensor. Pulled motor, brushes are 3/8 to 7/16 of an inch, messured with a wrench, out past the bracket that holds them. Seems to have spring pressure on them. What should I be looking for ?
Rokstok Not Yet Wild Join Date: Mar 2015 Posts: 5

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