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Which engine on your unit do you have?

There are 11 different 225 models there shoule be 2 letters in front of your model number I need those letters.

The 907209 is a 23 Hp Kohler engine unit and the 907210 is a 22 Hp Robin(Onan) unit.
Parts list

Looking at the slot in the side of the fuel tank it appears that the bottom pan has to be separated from the unit. That would involve unmounting anything with wires attached from the base and supporting them. Engine frame, transformer / reactor, side panels, end panels battery and lower brace. I don’t see any other way. I would try working from the engine end.

In all seriousness
I would contact Millerweld here:
Mention your on a very remote worksite, have the replacement part in hand and would like to know if there was a service manaul or any techical assistance available for the tank change.

Even with my 40 years of experience this would be a task I would have to study up close and personal to sort out exactly what the sequence would be to change the tank. It appears to be a very major evolution that could go very wrong very quickly resulting in some major damage if you are not careful.


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Fuel Capacity: 12 gal. Oil Capacity: 1.5 qt.
Drain the Old Fuel Tank

The first step in this process is draining the fuel out of the old tank. Many tanks have a small stop valve on the body of the part that allows you to neatly drain all of the fuel. If this is the case, simply loosen the valve and let the fuel run out into the fuel can.

Changing a fuel tank is a pleasingly simple job in that there are usually no specialist tools needed. However, make no mistake, this is a big, BIG job. There will be a lot to remove, a lot to work around a lot of things to be careful of.
Miller® Bobcat™ 225 Engine Driven Welder With 23.5 hp Kohler® Gasoline Engine And GFCI.
Just make sure it`s not going to tip over when you`re working on it. Remove the fuel. Removing the gas tank will be safer and easier if you remove all of the fuel.
The fuel supply pump, often referred to as the lift pump, is responsible for drawing fuel from the tank and delivering it to the high pressure pump. Modern day fuel pumps can be electrically or mechanically driven by the engine.

Ratchet wrench set with universal joint. Tubing or open-end wrenches. Hose clamp pliers or screwdriver. Bolt or wooden dowel to plug fuel line from fuel tank.

You can replace the fuel pump without removing the tank. All you have to do is cut a hole in the floor, or trunk, above where the pump is located. A one foot square hole will do the trick. You just have to be very careful when you are cutting, or grinding that you don`t hit any wires or fuel lines.

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I have a husqvarna 323L string trimmer. I stored it after running the tank & carb dry for about two years. I fueled it, then started it, & it ran for a minute then died like I turned the switch off. Since it would not restart, I found the fuel filter had broken off the hardened fuel line & it sucked gummy crap out of the tank & into the carb. Failing at cleaning the carb, I finally put a new carb on it & replaced the pump, hoses & filter. It has ran good till this year. I winterized it with stabilizer & left it with a full tank over the winter. The gas in the tank was gone when I got ready to use it this year. I filled the tank with premix, checked for leaks, then started it. It would run fine for about half a tank, start idling poorly (lean) then cutoff & refuse to restart till I refilled the tank. I finally found the tank had cracks & was letting pressure out of the tank & apparently this was causing the carb to lose it’s ability to siphon gas out of the tank. So I replaced the tank which came with new hoses & a filter, which I properly installed to the carb. It cranked right up, but when it runs a half tank, the carb quits sucking gas out of the tank. When I pump to prime the carb, it moves the fuel into the carb, but the pump never gets hard like it does when I prime the carb when the motor is cold. I have to keep refilling the tank, prime, & then it starts & runs until the tank gets about half empty. The new fuel filter is down in the gas tank properly, but It will not run after it shuts off until I refill the tank & prime. I’m baffled. New tank, new hoses, new filter, new carb, & I can find no leaks in the fuel system. It runs strong. The 323L is a two-stroke & it always cranks on the second pull from cold on a full tank. Any ideas?

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I know this is a pretty old thread. But I have a 2004 Husqvarna 359 and it does the same thing. Has anyone found the cause of the problem yet. It seems to die from lack of fuel or too lean of a mixture only when the saw is hot. I have : removed the cylinder and found it to be scored very bad, i replaced the cylinder and piston, replaced the fuel filter, removed the carb and checked for debris, new spark plug, new air filter, changed fuel to a 32:1 just to see, all to no avail. I dont know how to test the ignition module, and I dont know if there is a way to test the cranck shaft seals. If any one can give me advise from here it would be greatly appreciated. Thank You, Brian in Spokane Wa.
ANSWER : I didn’t want to close the thread in case someone else had some ideas. We can still discuss this problem. Enter any clarification or additional information below the advertisements. HTH
Hoped Dolf would chime in.

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1999 ford expiodition
ANSWER : Use a pressure gauge to check pressure at the rail. Change fuel filter. Replace fuel pump if needed.

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Replace rear wheel bearing 773 bobcat
ANSWER : You must unbolt it from inside chainbox. Raise cab, and remove about 8 bolts that hold a plate that is back toward the engine, in line with back axle. Inside you will see 2 large chains and sprockets, and a bolt that holds the sprocket to axle. Use a 1-1/8″ wrench to remove bolt, then axle may be removed. Replacing outer bearing and seal is now possible

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Fuel lione and filter came off in the tank – Stihl HT101 Pole pruner
ANSWER : This is a simple repair.
1. Drain tank save fuel can be used again
2.Purchase fuel line replacement kit Lowes -Home Depot
3.Kit needs to contain feed wire and gas hose.
4.Disassemble cover to reveal fuel line connection to carb.
5. Feed wire from kit into fuel tank through fuel line hole.
6. Install new hose over wire connecting end into hook at end of wire
7. Pull hose through tank up to the carburetor
8. Remove wire and connect filter and hose to carburetor
9. Replace gas into tank, Ck for leaks

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Bobcat 773 wont restart after dying out where do i start?
ANSWER : If the bobcat starts and then runs for a short time then dies the first place to look is the fuel system.fuel filters are the most common problems that i see replace those first.i have also found some junk inside the pickup tube inside the tank.there is probably a ball type hand pump to prime the fuel system.give that a squeeze and see if its hard.if thats the case there shoud be a small screw on top of the fuel filter.loosen that screw and see if fuel comes out when you sqeeze the ball.if your changing fuel filters this is also where you blead air from the system,keep pumping untill there is only fuel and no air.if you still get air after pumping for a long time then your sucking air into the system between the tank and pump.after you get fuel there close the screw,loosen the injector lines going to the injectors,crank the engine,and tighten when fuel comes out (keep clear because that is high pressure fuel).after you get fuel at all injectors and they are all tightened it should start.

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Have a craftsman 16″ chain saw 358.360260. Could not initially get it started after it had sat for a couple years with fuel stabilizer in it. When I went to use it the fuel had all evaporated and the fuel pick line was rotted. I replaced that with some difficulty but finally got it on. Saw still wouldn’t start. Replaced the fuel filter. Still wouldn’t start. Pulled the carb apart and cleaned and recleaned everything. Diaphragms were good and I didn’t adjust any of the mixture screws because as I said it ran fine before storage. Non of the carb passages were clogged. Fresh gas 40:1, good spark plug and good spark. Airfilter is good. Engine has maybe about 4 hours of total run time on it. It’s a ZAMA (?) carb. It will run for about 30 seconds when I manually prime it by pouring a small amount of fuel directly though the carb. When I was disassembling the carb the vent hose that goes back into the fuel tank seemed to have a small out of ?substance? in it which I cleaned out. It was right at the end the of the hose that goes back into the fuel tank and not up by the carb. It didn’t appear to be like your typical gummy deposits/varnish though. I hope it wasn?t some type of spongy check valve stuff that is supposed to be in there. That might explain some of my problems. Anyway, I also can not seem to get the primer bulb to fill. When I open the fuel tank, look in side and depress the primer bulb, air bubbles come out of the fuel filter. But when I let the bulb reexpand there’s no fuel that gets sucked up the hose. I can however seem to fill the primer bulb when the fuel tank is full and the chainsaw is laying on it?s pull cord side and the bulb is depressed a bunch of times. The saw will also start and run again for about 15 seconds then die. It’s definitely not getting/fuel and probably running out . Thanks.

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Need to replace fuel lines on my Troy Bilt gas hedge trimmer. Where can I get replacement fuel lines… or better yet… what size are the lines and where can I buy a few feet of the lines. Note: I have reviewed the parts assembly and it would seem to indicate I have to replace the entire handle assembly (Part #1) instead of just buying replacement hose(s). Any help to resolve my issue would be greatly appreciated and thanks in advance
ANSWER : Replacement fuel lines should be readily available at your local lawnmower repair shop. Your TroyBilt hedger uses fuel line that is 3/32″ (2.4mm) interior dimension, 3/16″ (4.8mm) outside dimension, with a 3/64″ (1.2mm) wall dimension.
Most manufacturers don’t offer replacement line, only fuel tank assemblies. Find your local shop, and try to get the TYGON brand…it is yellow. Tygon lasts the longest. You should be able to buy it by the foot for less than $2 per foot. You will need 2 feet of hose to replace both lines.

Make sure to clean the in-tank filter when replacing hoses.

Good luck.

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