Question about Welding Equipment

2 Answers

Millerbobcat225gplus welding machihe w/onan16hp performer engine

Motor will not fire in start position when switch is released andn goes to the run position it will fire and pops loudly through the exhaust.can you help me?

Posted by on

  • gj cruz Dec 27, 2008

    my machine has similar problems. i keep it covered but i thought mabe condensation could be a factor. when i release ignition to run or idle, it shuts off. but if i hold switch just past run position it will remain on. however i do notice strong smell of unburned gas fumes.

  • Carl Gehrke
    Carl Gehrke May 11, 2010

    Yep, I probably can help you. From your description of the problem it sounds like you might have a failed ignition system, the loud detonations you hear when the switch snaps back to run would be dieseling of the fuel/air that was last in the cylinders.
    First thing is to see if you're going to have to figure this out or if we can get your local Miller service center to do it on the company dime :-) What please is the serial number of the machine? If I know this I can find out its official birthday and we can see if it's younger than 3 yrs old.


2 Answers

  • Level 1:

    An expert who has achieved level 1.

  • Contributor
  • 1 Answer

Carb is probly gumed up. I would put in a good dose of fuel injector cleaner in the fuel and start the engine llet it run 5 minites shut idown. What 2 days then restart,it should run fine. PS put sunoco ultra fuel in tank before you put in clean4er.drain tank before you start.

Posted on Aug 11, 2012

  • Level 1:

    An expert who has achieved level 1.


    An expert who has answered 20 questions.


    An expert that hasĀ over 10 points.


    An expert whose answer gotĀ voted for 2 times.

  • Contributor
  • 28 Answers

Engine needs tuned up and carburetor cleaned out also you need to check for a spark and have valves adjusted

Posted on Dec 28, 2008

Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

How do I replace a polarity switch on a lincoln k1297?

The leads are soldered to the switch internally. I performed services like that for 18+ years and if you're not familiar with using a brazing tip and silver solder, I suggest you take it to a professional. It won't be easy and you run the risk of damaging your machine.

Sep 03, 2014 | Lincoln Electric K1297 AC/DC 225/125 Stick...

1 Answer

How to put distributor in a wisconsin v-4 fan cool engine?

Go to number one piston and remove plug. Put finger over hole while tapping starter. When pressure(air) comes out of cylinder put piston to the top. Put distributor into position with the rotor pointing to number one . Re install spark plug and hook up all four wires. 1-4-2-3? not sure of firing order. Start and run engine.
Adjust distributor to highest idle RPM, w/o kickback when starting.

Jun 15, 2014 | Bobcat Equipment Skid Steer Flatbed...

1 Answer

Thermadyne predator has one cylinder not firing

Check or replace ignition wire, spark plug spark plug coil. Run a cylinder compression check. Should have same compression on both cylinders. If not, burnt valve, or flat cam lobe.

Sep 18, 2012 | Hobart Welders 500545 Champion Elite 11000...

1 Answer

Hobart handler 135 drive motor quit while welding. VDC output to the motor is less than 1/2 volt measured during troubleshooting. It seems that the control is bad, but it could be the motor.

If there is less than 1/2 volt to the motor with the motor disconnected, either the controller is bad or one of the inputs is. Check all of the inputs to the controller (switches, speed control dials, etc.) before you condemn the controller. Switches on mad self-fed welders are common culprits, as are the wires that lead to the controller from the switches.

Dec 05, 2009 | Welding Equipment

1 Answer

Lincoln 3200hd. welder,when power switch turns on, the fan comes on, but when i pull the trigger on gun to start to weld nothing happens the wire does not feed. i am not sure what is happening

open the area were the role of wire is and check when trigger pulled if any action to feed motor. [wire might be stuck at end, or there usually is a small fuse in that area for feed motor]

Dec 04, 2009 | Lincoln Electric K1170 AC-225 Stick Welder

1 Answer

Bobcat 225, machine is idling way to high and will not idle back or shut down when switched to off position. Could this be the soleniod on top of motor connected to throttlelinkage?

It could be and the governor sticking to wide open throttle, try the linkage at the full fuel position with the engine off and see if it sticks when in full fuel mode, there could also be an intake leak but would not cause it to run with the switch off that is a different problem. let me know if you need more help.

Nov 27, 2009 | Welding Equipment

1 Answer

Welding machine wont start

there might be a low oil shut down switch that is open, look for it and jump it out, and then try to start it

Nov 15, 2009 | Lincoln Welding Equipment

1 Answer

Millerbobcat225gplus/serial#kf866447 weldingmachine/generator

how old is unit ?? bad switch, motor needs tune up??cam ,valves, compression???

Jan 06, 2009 | Welding Equipment

1 Answer

Diesel fuel pump/installation

If we're talking about the thing that has a pipe to each of the cylinders on your engine then the answer is Yes, your injector pump must be correctly timed in order for the engine to run properly. This is the part of the diesel that does what a distributor on regular car engine does, namely ignition timing.

The exact procedure for setting the timing depends on what model of engine you have, get a manual from Perkins to be sure.

That said it usually goes like this:
1 - make sure the engine has the correct cylinder at TDC, this makes the gear connected to the camshaft be in the correct position.

2 - Set the pump at the correct position, this will either involve looking at a mark in a window on the pump (standyne pumps), or looking at the keyway in the shaft of the pump, etc.

3 - Bolt the pump into place on the engine making sure the gears/drive meshes nicely. Connect all the fuel lines to the pump.

4 - purge the injectors by loosening each fuel line at the cylinder end and cranking the engine until fuel comes out of the pipe, then tighten it back up.

5 - Crank the engine and start it, check the rpm.

Rank this answer if it helped,

Sep 26, 2008 | Welding Equipment

Not finding what you are looking for?
Welding Equipment Logo

Related Topics:

119 people viewed this question

Ask a Question

Usually answered in minutes!

Top Welding Equipment Experts


Level 3 Expert

479 Answers

John Trevino

Level 3 Expert

1378 Answers


Level 3 Expert

61037 Answers

Are you a Welding Equipment Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides