Re: Not getting any gas or spark continued

Posted by used red MN on March 20, 2022 at 12:02:54 from (75.73.112.20):

In Reply to: Not getting any gas or spark continued posted by tonyof757 on March 20, 2022 at 07:37:41:

Sorry this is long but I am trying to add enough detail
for someone who had to ask what the points are and
where are they, for others see previous post. Also
trying to explain the test so they can be done by
yourself. In your previous post you said you were
going to pickup a test light. First a little test light use
101. The test light will have a pointed probe end and a
wire lead with a clip on the end. To check test light
function put the lead clip will be on a good ground.
Maybe a sanded off spot on the tube coming off the oil
filter is good. Once you get it clipped on touch the
probe to the positive battery cable terminal, if it lights
this verifies the ground clip is making a good contact
so tests made with the light are valid. With the key on
you need to see if the test light shows voltage at the
positive terminal of the coil, circled in 1st photo. Now I
cannot tell exactly where the wire is coming from on
that terminal of the coil but the terminal you want to
check is NOT the one that goes to the distributor. If
that is good move to the next test which is testing to
see if the points are working correctly. You can use the
test light in reverse for this test. Take the test light
probe and place it into the gap between the negative
..has minus sign.. battery terminal bolt and the battery
post. If it will not fit tight wedge a screwdriver blade or
something else next to it to hold it tight. Now take the
lead clip and touch it to the positive terminal again
verifying connection. Then hook the lead clip to the
terminal coming out of the side of the distributor. That
should be shined up a little with your sand paper,
picture 2 shows that. Now crank the motor with the
starter the test light should flash on and off as the
points open and close. Now the reason people are
saying your points are bad may just be due to the
picture not being clear. In the 2nd link there is an
example set of points on the arm that moves against
the spring you see a very defined circular contact
point that matches the round stationary contact
opposite of it. The photo in your post does not show
that round contact point is there very clearly. If that is
burned away to the thickness of less than say the
thickness of 2 business cards the points probably need
replaced. However, if the test light flashes they are still
good enough to start the tractor. Next pull out one
spark plug run your sand paper through the gap. Now
put the spark plug wire back on it. Lay, tape or bungee
it to some metal part so the gap can be seen from the
seat. Assemble the cap on the distributor and check if
you can see a spark every two revolutions of the
engine while cranking with the starter. If so you have
established you have spark. The last picture shows the
carb, the plug marked one is where you will check the
gas flow as has been described by others. If that is
good loosen the clamp on the intake hose number 2.
Remove that hose. This will be a 2 person check unless
you can reach the starter button and hold your hand
over the inlet on the carb, BE CAREFUL IF YOU DO
THIS ALONE MAKE SURE IT IS NOT IN GEAR. Cover
that and crank the engine with the starter about 3
seconds. You should feel a strong suction and when
you pull you hand away there should be gas dripping
out. This will verify that gas is available for combustion
in the intake air stream. Good luck report back.

• Previous post

• Example points set

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