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C135 Success, - on to next problems

A

Anonymous-0

Well-known Member
Got the old IH 340 U gas, running pretty good. Rebuilt carb, cleaned up oil bath breather system, new ignition stuff, set gov. linkage, derusted park brake lever, adj, hyd. lever tension.
Does anyone have a fix for the lower rad. hose/tube? They have cobbled up a flex hose with a hose clamp and its leeking badly. Is it salvage yard time?
Is there a place I can print out a wiring diagram? When I turn on switch and at idle, guage shows charge, when I run engine past idle, major discharge.
Have polarized gen. - jumpered gen. to bat. on regulator. No change.
If I get past these two things, she'll be ready to go.
All advice appreciated.
Tom B
 
On your charging issue it sounds as if the amp gauge may be wired backwards and you have a slight discharge at idle and charging at higher rpms. Put a load thru the gauge by turning on some lights with the engine off. If the gauge shows "charge" it is wired backwards. If it shows discharge you have some other problem.
 
Sounds like the leads on the back of your ammeter are on the wrong terminals, or you have swapped +/- for ground on your battery.

If I'm reading correctly, you show a slight charge with the ignition on but not running or even running initially at low speed. Bring it up to speed so that it should be charging healthily and you show big-time discharge.

If that's correct I go back to my initial surmise. Somebody swapped the polarity of your ground without swapping the ammeter to read in the proper direction. Choices are to live with it and do nothing, swap the leads on the back of your ammeter, or switch the polarity of your gropund and repolarize your generator.

One thing to watch on that is that if your VR is made to be sensitive to the polarity you now have, you should use option 2 (swap the ammeter leads) rather than tempt fate and risk a VR failure by changing polarity.
 
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