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Machine in question is a 1999 GT275. Problem first surfaced a month ago. PTO cut off. Could not get to cut back on. Figured it was switch. Replaced switch. Heard on here that it could be battery voltage dropping. Sure nuff. Had to jump mower off. Began mowing for about 30 minutes, deck would cut off, had to hook up jumper cables and charge battery back up a little bit.
So a couple of weeks ago I took the battery (that I bought new at Wally World last year) out and put it on a trickle charger for a week. Put it back into the mower, got out my multimeter, and had the following observations:
Battery is reading 12.8V no load.
Key on, mower off. still reading 12.8V.
Mower on, no load. Down to 12.5V, but climbed slowly & steadily. Got tired of watching progression at 12.7V
Mower on, PTO on. Down to 12.3V, but began climbing. Slower than with PTO not engaged, but was climbing. Stopped watching when it got up to 12.4V with the PTO still on.
So do you think I have a problem with the system? I'll be the first to say that I'm not familiar with little lawnmower charging systems. I think I'll only have to mow once more, so I'm looking at this as a winter project. Or perhaps I need to be looking to upgrade.
So a couple of weeks ago I took the battery (that I bought new at Wally World last year) out and put it on a trickle charger for a week. Put it back into the mower, got out my multimeter, and had the following observations:
Battery is reading 12.8V no load.
Key on, mower off. still reading 12.8V.
Mower on, no load. Down to 12.5V, but climbed slowly & steadily. Got tired of watching progression at 12.7V
Mower on, PTO on. Down to 12.3V, but began climbing. Slower than with PTO not engaged, but was climbing. Stopped watching when it got up to 12.4V with the PTO still on.
So do you think I have a problem with the system? I'll be the first to say that I'm not familiar with little lawnmower charging systems. I think I'll only have to mow once more, so I'm looking at this as a winter project. Or perhaps I need to be looking to upgrade.