Does a primer bulb have a check valve?
Does a primer bulb have a check valve?
Primer bulb has a check valve built right in.
Which way does the arrow go on a primer bulb?
Primer bulb arrow should face the ENGINE (indicating the direction of flow).
Can a primer bulb be replaced?
A primer bulb is important because it is helps to fill the carburetor with the correct amount of fuel. It does this by pulling fuel through the fuel line. You may need to fix or replace your primer bulb if: It is not creating proper suction.
What should I do if my Bobcat 743b stalls?
Basicly motor bogs down and stall’s out change filter and all is well . If I recall correctly, I think the 743 and 743B used the rubber primer bulb in the fuel line. If so, when it stalls, immediately see if that primer bulb is sucked flat. If I recall correctly, I think the 743 and 743B used the rubber primer bulb in the fuel line.
What causes air leak in Bobcat lift pump?
Going to go threw the filter again and check all the o rings as well as a new fuel line into a bucket of diesel to test the lift pump. Let you know what happens going to take a few days. Willie is right even the smallest crack in a rubber line or an oring too loose or too tight can cause a slight air leak.
Where is the lift pump on a bobcat 743b?
If the 743B used the same engine as the 743 there should be a lift pump mounted on the side of the injection pump housing. With the things you’ve described, most likely failed lift pump.
Basicly motor bogs down and stall’s out change filter and all is well . If I recall correctly, I think the 743 and 743B used the rubber primer bulb in the fuel line. If so, when it stalls, immediately see if that primer bulb is sucked flat. If I recall correctly, I think the 743 and 743B used the rubber primer bulb in the fuel line.
Going to go threw the filter again and check all the o rings as well as a new fuel line into a bucket of diesel to test the lift pump. Let you know what happens going to take a few days. Willie is right even the smallest crack in a rubber line or an oring too loose or too tight can cause a slight air leak.
If the 743B used the same engine as the 743 there should be a lift pump mounted on the side of the injection pump housing. With the things you’ve described, most likely failed lift pump.
