Posted by SMOKEEATERFF on October 03, 2013 at 08:02:40 from (98.89.10.140):
Where to start? Well I have a 1971 Ford 4000 3 Cylinder Diesel. It still has the factory generator on it. It has the gauge with tach/proofmeter, fuel, temp, generator light and oil light. It has been in our family for as long as I can remember. My grandfather bought it used and it was passed down to my dad and then to me. I am in the process of fixing some items on it. I just changed the oil, oil filter, tranny fluid, rear axle fluid, wet bath fluid and lubed all grease fittings. I am gonna changed the coolant in it after I get new hoses and thermostat. I will probably swap out the sender unit also. I just put new tires on it last week because the old ones were literally falling apart. Anyways I have several questions.
1. The proofmeter and tach no longer work. I took the cable loose and the cable turns inside the sheath. I hooked it back into the tach/proofmeter and was able to make the tach needle move. I took it loose and hooked the other end back into the generator and was able to turn the cable. I hooked it back up but it would still not move. Took the tach drive loose from the generator and it was pretty clogged up with oil/dirt. Cleaned it up and reinstalled but it would still not move. What should I try next? Do I need a new tach drive, cable or tach/proofmeter?
2. I took the instrument panel loose and took out the tach/proofmeter. Like I said earlier I could make the tach needle move but the proofmeter would never turn. It was like it was frozen. Could the tach/proofmeter be bad? Or is this to keep people from messing with the hours? Guess this could answer question 1.
3. While I had the instrument panel out I noticed several wires were in pretty bad shape. Some had rubbed nearly in to. I am surprised this tractor has not caught on fire. Well I was going to hook everything back up but I didn"t take a pic of the layout and haven"t figured it out yet. I looked in the service manual but the diagram doesn"t match what I have concerning the wire colors. It appears someone hacked on them in the past. I am thinking of picking up a new harness from yesterdaytractors.com or somewhere similar. Does anyone have experience using a new harness? Is it straight forward?
4. Before screwing with the instrument gauges I got the cluster lights working. The generator light came on and never went off. What could the cause be?
5. Last but not least. The temp gauge works but it moves over to red pretty quickly after cranking it. Usually within a couple of minutes. The coolant in it is pretty cool. The hoses don"t really feel very firm but it has never boiled over or anything. Thinking either the sender or the temp gauge. Any opinions?
Thanks in advance. Oh and go easy on me I am not a mechanic or electrician. I am learning as I go.
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