Re: (ET) seat safety switch

From: Mike Finck <mikefinck rocketmail com>
Sent: Thursday, June 30, 2016 10:41 PM
To: Briggs, Michael
Cc: elec-trak cosmos phy tufts edu
Subject: Re: (ET) seat safety switch

I installed a bypass switch in the rear batt compartment because while working in the yard say with the trailer cart full of mulch i can move the tractor ahead a few feet just by pressing the pedal down without having to climb on and off, for example. Or pulling logs i can easily tension the log chain same way. Then with attachments engaged turn the bypass switch off and have the seat safety feature active. The bypass switch just completes the circuit ahead of the seat switch.

On Jun 30, 2016, at 6:23 AM, Briggs, Michael <Michael Briggs unh edu> wrote:

The previous owner of my E-15 disabled the seat safety switch. In some ways it's handy to have it disabled for testing purposes, but for safety I'd like to re-enable it (actually what would be nice is putting in a switch that lets me temporarily bypass the seat safety switch if I need to do some testing for which it would be better to not have it).

Anyway - how exactly is that switch supposed to be wired in? Are all of the safety switches (ignition, seat, perhaps something else) switches in series with the positive supply voltage and the main solenoid? (that's the first way of designing it that comes to mind)

Thanks,

Mike

Michael S. Briggs, PhD

UNH Physics Department

(603) 862-2828

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