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Allis B

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Greg Lasher

02-05-1999 07:16:05

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I just purchased an early B, it needs the valves adj, and the timing set. I dont have a book on this tractor so if someone can e mail me tune up data it would be great. I have rebuilt several tractors and work as a mechanic, so I understand the tech. talk no need to explain the simple stuff. Please e mail any info to stk.12240@loki.stockton.edu or sharke@bellatlantic.net
Obvioulsy I'm intrested in firing order, mag timing (is there a pointer on the crank pulley?) valve lash, plug gap and type, etc.

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Harold H

02-05-1999 17:44:52

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 Re: Allis B in reply to Greg Lasher, 02-05-1999 07:16:05  
Model B, firing order 1-2-4-3, rpm 1850, compression # 84, valves; seat angle intake 45, exhaust 45, clearance intake .010hot, exhaust .010 hot, static timing 30 deg, impluse lag angle 30 deg, mag gap .020, 14mm spark plug, gasoline AC 45 or AutoLite AN7, distillate AC 47 or Autolite AN9, gap .030 to .040, carb float level 1 5/32". Has 125.3 cu in 3 3/8 x 3 1/2 engine rated at 1400 rpm, 1850 max no load rpm. Crankcase capacity 3 1/2 qts, transmission case 2 gals. Nebraska test # 439; 22.25 belt hp, 19.51 db hp, chp 22.87 belt hp, 20.60 db hp. Shipping weight 1400 lbs.

Harold H

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dan wood

02-27-1999 16:12:22

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 Re: Re: Allis B in reply to Harold H, 02-05-1999 17:44:52  
your model B timing scale is located on the side
of the flywheel and is viewed through an access
hole in the side of bellhousing.i can't remember
which side and am too lazy to look,but i think
its the right side.at least it is on mine,the latter added to prevent purist flak good luck

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John R

02-27-1999 14:56:14

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 Re: Re: Allis B in reply to Harold H, 02-05-1999 17:44:52  
The information you provided is great. Is the transmission oil just plain 90 wt gear oil?
Also, can you describe the oil filter system on a B? The B I have has a filter with the threaded portion facing down and some plumbing parts that connect to an oil pressure guage. To get the filter and pressure guage assembly to draw oil, you have to prime it after the engine is running. It does not look like original equipment. What is it supposed to look like?

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