Re: Re: 6 Volt, Reverse Grounded?!?
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Posted by Jeff King on September 25, 1998 at 17:52:43:
In Reply to: Re: 6 Volt, Reverse Grounded?!? posted by Gerald on September 25, 1998 at 08:24:14:
: : I am restoring a '64 Ford 4000, 4 cyl. gas tractor. : : Installed a new battery last night. "Pucker Factor"
: : was high as I have never attached the positive post of
: : a battery to a ground wire before. : : I have a couple of questions if anyone can help:
: : 1. How many cranking amps are required? This new battery
: : will barely turn the motor over. It could be a battery
: : which has been on the shelf a while, I guess. Voltage
: : tester reads over 6 volts, however. Ford Repair Manual
: : does not mention minimum cranking amps. : : 2. How would you jump start this backwards grounded
: : system? I have a lawn mover which is 6 volts also, but
: : should I attach + to +, - to frame, or vice versa? : : Any assistance would be greatly appreciated. : : Sincerely,
: : Tommy D.... : If you jump start you have to observe polarity. Connect + to + and - to -. Avoid touching the frames together. Two dead batteries may result after the sparks die away. : Its important to clean the battery posts and the terminals until they shine before you connect them, else you will get excessive voltage drop. A good 6 volt #1 battery should spin that engine well, providing its got oil and a working oil pump and the starter is good with all brushes and decent bearings. Its not a bad idea to disconnect and wire brush all battery cable connections and make sure they are snug. That means the terminal posts too. Be sure that your battery cables are rated for 6 Volt use. Oftentimes you fill find that someone has swapped one out with say a #4 gauge that is only good for 12 volt use. If your cabling is all up to snuff, pull the starter and take to a rebuild shop. My '57 Case actuall melted the end off of a battery cable trying to start it hot one day. Had the rebuild shop go through the starter, turn the commutator, new brushes, new bushings and drive. Spins over like a Toyota now. Was well worth the $ 60. Best Luck. JPK
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