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  1. S

    C oil pump losing prime

    leak back normally occurs when you have an external air leak... look around the filter housing and back toward the pump discharge tube as KL says.
  2. S

    no throttle lever response at governor

    PHOTO... are you saying the small pivot arm is moving, but the SPRING is not pulling the Gov CROSS OVER ARM behind the radiator ?? https://forums.yesterdaystractors.com/threads/allis-chalmers-b-throttle.1394078/
  3. S

    no throttle lever response at governor

    i guess i still dont get it... The ROD is attached to the Governor arm... If the ROD is moving, how can the Gov arm not move ? .......... can you MANUALLY move the Gov arm while the tractor is running and change RPM ?
  4. S

    no throttle lever response at governor

    i dont understand how you can move the hand throttle lever and the ROD that goes to the governor does not move ?? When you PUSH the throttle forward, the arm on the governor moves FORWARD ( toward the radiator) and pulls the spring (stretches)... which moves the arm across the backside of the...
  5. S

    high altitude motor

    between 6 to 1 and 7 to 1 was a popular range in the 1950 time frame.
  6. S

    Alis Chalmers

    The small B and C tractors are popular and common.. Not rare.. A half way decent running tractor is about $800. ... like Jim said, depends on tires , paint, rust, does it smoke, leak oil, etc.
  7. S

    PTO bolt

    Our bush hog on the FORD uses a 1/2 inch grade #2 bolt about 4 inches long.. with a sealastic nut on it.
  8. S

    Back to the Allis B govern/carburetor issue I still haven't resolved.

    you have two regular block clamps and two that have a CAM bolt inside.. As you TURN the bolt head ( the CROSS), the clamp will tighten up on the rim and hold tight.. YES... The two SIMILAR ones go 90 degrees apart... To reinstall, put a REGULAR clamp at the TOP of the wheel hub with the bolt...
  9. S

    B Allis Only runs at low RPM's

    Put the throttle lever all the way FORWARD at the seat... Put the carburetor arm all the way FORWARD toward the radiator.. Take the rod from the carb loose at the Governor cross arm up by the radiator... the ROD should align with the hole in the ARM.. if it is off, you need to BEND the governor...
  10. S

    B Allis Only runs at low RPM's

    The ARM sticking up on the carb that moves the throttle shaft... Look to see that when WIDE OPEN it is the same angle as the OLD carb you installed.. See that the two arms are the same LENGTH... Different angle or different length means the ROD from carb to the governor cross shaft needs to be...
  11. S

    Series 1 D17 with Positive Ground and considering an Alternator conversion

    and you are right. The alternator is INTERNAL regulated, so the old regulator and generator get removed.
  12. S

    Series 1 D17 with Positive Ground and considering an Alternator conversion

    the tractor ( starter and lights ) do not care if it is positive or negative ground... all you do is switch the cables at the battery.... You should also switch the two wires at the COIL as the + terminal will be coming from the switch.. and the - terminal will go to the distributor... Amp meter...
  13. S

    B Allis Only runs at low RPM's

    Again... the Engine can not GO TO HIGH unless the carburetor arm is pulled FORWARD toward the radiator.. If your seat lever is at IDLE and the engine races.. Look that the carburetor arm is not STUCK dragging on the engine block.. or the throttle plate inside the carb is GONE.
  14. S

    B Allis Only runs at low RPM's

    Your first two photos 188 and 189 show the governor arm pointed backward at a 45 degree angle.. That is WIDE OPEN. and the spring should be stretched.... With the seat lever at IDLE, the governor arm will move forward and be pointed out exactly 90 degrees to the outside.. In fact it will be...
  15. S

    B Allis Only runs at low RPM's

    Look at the throttle arm on the carburetor.. With the seat lever WIDE OPEN, does the throttle arm move all the way forward ... can you push it further with your finger ? If adjusting the lever does not work and spring on governor is OK.. you may need to adjust the rod between the carburetor...
  16. S

    DR allis please

    How BIG is the gap ??? Possibly the crank is stock and the bearings are .020 under... Of the crank was turned .020 and the bearings are .030 under ??? Or they were FILED... Cant have a gap if the crank and bearings are both .020.
  17. S

    DR allis please

    DR is right.. the bearing ends must TOUCH each other, NO GAP.. if you hold the bearing halves together they should TOUCH and actually have a diameter of 2 thousands BIGGER than the crank... As Dr said, you put shims in as needed between the rod and cap to hold the bearings on the shaft.. The...
  18. S

    correct serial number for a B

    B is roughly 5 ft wide outside the rear tires... C is more like 6 ft... B has a steering box below gas tank with the arm DOWN and rod going to front left wheel... C has the steering box below the gas tank and a second box below the radiator and the arm goes between the two.... If you dont...
  19. S

    Splitting Allis C

    the crankshaft has a WICK that drips oil onto the clutch bearing.. That oil gets onto the clutch plates and makes them STICK or DRAG.... many times that is the problem getting the transmission into gear when setting... you push in the clutch and the plates tend to drag and slowly rotate the...
  20. S

    B distributor replacement

    on a horizontal, the #1 is normally at 10 oclock.. top left .... Really you can put it anywhere you want as long as THAT WIRE gets fire when #1 is at TDC.... you can move the distributor in increments ( gear mesh) to set it where ever you want, but 10 0'clock is standard.
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