Re: (ET) Help

["MR23 \(Christopher M. Meier, Mpls, MN\)" <mr23 mn rr com>]

36v is pretty low.  Fully charged resting voltage (after 24 hours)
should be closer to 38.4v.  Have you load tested the batteries?
What are the individual battery voltages when you repeat your
steps 1-4 below?

-Chris

----- Original Message ----- 
From: <ThompsonG DFO-MPO GC CA>
To: <elec-trak cosmos phy tufts edu>
Sent: Monday, June 18, 2001 9:54 AM
Subject: (ET) Help 


> > Hi
> >
> > I worked all last night on the tractor and I think I've  got big
> problems.
> > Hopefully, you can steer me in the right direction or a least stop
> me from
> > doing something really dump.
> >
> > Here What I've got so far.
> >
> > 1.) The Power level show Green when I turn on the Main Power
> Switch. I've
> > checked the voltage with a meter and I have 36V
> > 2) When I turn on the switch power, and the key, activate the seat
> switch, Both Relays 2RTN and 1RTN
> > close with a nice solid click
> >
> > Then it get's bad
> >
> > When I push the seat switch the Power Use meter goes into the
> yellow.
> > Then when I move the speed controller to forward or reverse 2RTN
> OPENS and > the Power Use meter goes even further into the Yellow.
> >
> > I tried this with the motor armature power wires (the big heavy
> black wire
> > on the brass studs) disconnected from the motor and got the same
> response.
> > But if I disconnect the breaker leads plug  and the Centripetal
> switch plug,
> > the tractor is dead.
> >
> > I also checked each of the diodes with my OHM meter and they seem
> to be OK,
> > 0 ohms in one direction Infinite resistance in the other.
> >
> > I am starting to think it' s a motor problem, but I am open to any
> > suggestions at this point.
> >
> > Any Ideas
> > Thanks Again
> >
> >
> >
> > Geof Thompson B. Sc.
> > Data Management Engineer
> > Canadian Hydrographic Service
> > Central and Arctic Region
> > 867 Lakeshore Road
> > Burlington, Ontario
> > Canada. L7R 4A6
> >
> > Phone (905) 336-4698
> > Fax (905) 336-8916
> > E-mail Thompsong dfo-mpo gc ca <mailto:Thompsong dfo-mpo gc ca> 
> 
> Geof Thompson B. Sc.
> Data Management Engineer
> Canadian Hydrographic Service
> Central and Arctic Region
> 867 Lakeshore Road 
> Burlington, Ontario
> Canada. L7R 4A6 
> 
> 
> Phone (905) 336-4698
> Fax (905) 336-8916
> E-mail Thompsong dfo-mpo gc ca 
>