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 to do if your bobcat T320 shuts down?

Connect a piece of fuel hose to the primer bulb and drop that hose in a fuel can. Have a helper start the machine and you start pumping that primer bulb like a mad man, see if the engine continues to run. If it still stalls, drat! I’m not sure what to tell you as I’m not familiar with the engine on a T320.

Can a faulty ECM cause a Bobcat to shut down?

With a fault with pretty much any electrical control a Bobcat controller (ECM) recognizes it. There are exceptions, but you rarely see them happen. In this case, even though you suspect the fuel supply is good, we need to start there as that’s one of the things the controller “can’t see”. For example, a faulty lift pump.

Is there a fuel restriction on a bobcat 843?

It has the rubber primer bulb never seen it go flat.When I change the filter and sqeeze the bulb it don’t let much fuel go threw take quite a few pumps to get the filter filled . You have a fuel restriction somewhere. I own an 843 and I can take a coat hanger and pull the pick up end out of the tank.

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.

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.

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.

Where is the fuel filter located on a bobcat 743b?

And it sounds like you have that POS CAV fuel filter that has the top housing, the filter cartridge below it, and the water bowl on the bottom, all held together by a machine screw in the center.

What causes a Bobcat to stall when running?

Experience: Construction equipment repair technician since 1986, JLG certified, Shop manager since 2006. Verified Greetings, that’s a fairly common problem for a Bobcat if it’s stalling from lack of fuel. There’s two common things that typically cause this, and the two have act different. So therefore, I need you to check two things.

Is the ignition Swith on a bobcat 753?

It shows”Ignition Swith Multiple Keys” . I replaced the swith itself and n … read more Have bobcat 753 (older model)will not start with key,but will stars when jumped at solenoid. Once running, it moves and steers, but have no bucket control.

Why does my 590 Bobcat not keep running?

My 590 bobcat will not stay running. It has the screen in it with joysticks. It runs for a second and just locks up and dies. It shows”Ignition Swith Multiple Keys” .

What should I do if my Bobcat loader is not running?

Do not overfill the reservoir; hydraulics work best with the exact amount of fluid in the system. Check the hydraulic fuel filter. If it’s clogged and fluid can’t flow freely, power to the loader will be reduced. Be sure the hydraulic pump (located in front of the engine) is operating to specifications.

What kind of engine does a bobcat have?

The Bobcat loader has a rear-mounted diesel engine. If the engine won’t start or is not operating properly, start by checking the fuel system (tank, fuel lines and fuel filters). Diesel fuel filters need to be changed on a regular basis, more often in dusty work environments.

Why does my bobcat have a slow response?

Slow response can indicate control system malfunctions. There are safety switches throughout the Bobcat on various panels and the driver’s seat. Any malfunction of those switches can cause problems. Check the switches for good connections and proper operation.

Is the Hyd fluid on the bobcat 743 Orange?

Bobcat hyd fluid is orange on the new ones, not sure what this one uses. Also, it’s not listed on the Wix chart but apparently there may be a filter/screen on the drives ?? It’s very, I mean VERY touchy as far as the directional controls go.

Why does my Bobcat 743 not start with aux engage?

Most 743s won’t even start with aux engage due to load on engine. So it starting is a good indication that the engine is strong. It definitely sounds like the aux. are engaged.

What kind of fuel does a bobcat 743 use?

1701 kubota diesel. I’ve found out on the skid steer forum that it’s 9qts. w/ filter oil. green coolant (our new one takes orange, 13 qts ), 13 gal fuel, 6 gal hyd, and 32 qts drive (20-50). Still not sure about the touchy controls, read it may be low on fluid, need a filter change, or the screen in the return line. Thanks for looking for me Scott

Where is the belly pan on a bobcat 743?

Cleaning out under the cab in the hydro area, you should be able to drop the belly pan, if I can remember its a 7/8’s socket and a ton of bolts. Watch it though mine was heavy, around 300lbs.

What kind of engine does a bobcat 743 have?

I have a bobcat 743 with Kubota v1702 engine. Machine has 7500 hours and in good condition, except engine. It’s always been a hard starting SOB since my dad bought it 20 years ago. I bought it from him 5 years ago. It hasn’t ran in 2 years, and last it did it was only on 3 cylinders.

Why does my Bobcat 743 not lift or dump?

With no attachment on and aux engaged machine will only lift and dump. Most 743s won’t even start with aux engage due to load on engine. So it starting is a good indication that the engine is strong. It definitely sounds like the aux. are engaged.

How to change fuel line on bobcat 743b?

Take the fuel line off and blow air back thru the line to be sure it is clear. It has the rubber primer bulb never seen it go flat.When I change the filter and sqeeze the bulb it don’t let much fuel go threw take quite a few pumps to get the filter filled .

Is the bobcat 1702 engine good or weak?

The 1702 always ran good and was never weak when running. But getting it to start was always an adventure. I did replace all of the glow plugs and verified the glow plug circuit worked. It might be related to this current miss I’ve been dealing with, not sure though.

What should I do if my Bobcat 743b stalls?