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255 Massey Ferguson glow plugs

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cliftyhick
Join Date: Dec 2012
Posts: 3 Kentucky
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2012-12-12          185709

I have a 255 Massey Ferguson. It is equipped with a block heater that you can plug in. I was wondering if it is possible to put glow plugs on it without to much problem (like having to change the head or something). And if it is possible, how would be the best way to go about it? Thanks

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255 Massey Ferguson glow plugs

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shona13
Join Date: Mar 2012
Posts: 32 Western Australia
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2012-12-14          185720

G'day cliftyhick.
First ,have you had the tractor long enough to know it needs engine heater??
How cold does it get where you are??.

The perkins 4.236 engine and most other perkins engines are well known for their excellent starting in cold weather,over the years we have had all types of Masseys and have never had trouble with starting providing the battery is the correct one for the tractor and is fully charged we have had temperatures at and below minus 10 degrees and providing you use the inlet manifold heater that is standard on the tractor it will start even with no block heating just start it up and let fast idle for five /ten minutes and all will be good.
Happy days.
Hutch. ....

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255 Massey Ferguson glow plugs

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cliftyhick
Join Date: Dec 2012
Posts: 3 Kentucky
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2012-12-14          185723

Hey Hutch, thanks for the reply. The 255 I have does happen to be a little cold collared. I grew up with 150 massey that was like you said, no matter how cold, it cranked right up. This one on the other hand, like my grandpas 180, will not crank if its around 40 or colder. It has a plug in heater on the engine that works really well, but my problem is, if I have to leave the tractor out somewhere where I cant plug it in, then I have to use starting fluid to crank it. And I hate using starting fluid on one. So I was hoping maybe I could install glow plugs on it for those situations. Thanks

Jesse ....

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255 Massey Ferguson glow plugs

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shona13
Join Date: Mar 2012
Posts: 32 Western Australia
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2012-12-22          185757

G'day cliftyhick.
Without seeing or hearing the tractor running it is pretty difficult But let me make a few suggestions .
These are things to consider when diagnosing a hard to start engine, the injectors are not operating properly? or the cylinder head requires service, Leaking inlet and exhaust valves will reduce engine compression? or worn or broken piston rings,worn or damaged cylinder liners.
I am not sure how Mechanical you are but if you are able to you can check the injectors on the tractor to do this,Remove the fuel tank ,this will give you more room The next step is to Completely clean the engine especially around the injector area don,t forget to slide the rubber injector body sleeves up and blast out with compressed air this done remove the injector spill rail ,the small line that runs along the top of the injectors there are small copper washers under the banjo bolts, next undo the injector lines at the injectors, next remove the hold down nuts 1/2 " a/f and use a hooked pry bar UNDER THE INJECTOR BODY and lever the injector out making sure the copper washer either comes out with the injector OR remove it from the injector hole then blow out the holes with compressed air just to make sure there is no debris in there do this to the four injectors and refit them onto the injector pipes WITH THE NOZZLES FACING UP AND AT 45 DEGREES just loose then when all are fitted rig up a fuel can or the tank on a block of wood to give you fuel supply with this done Make sure the engine stop is in the RUN position ,(Be aware that when you crank the engine there will be a rush of air comes out of the injector holes so dont stand directly in front ), crank the engine until fuel dribbles out of the loosened pipe and at this point stop cranking and tighten the pipe nut put a rag over the injector tip and do the same to the other three.
At this point you must use extreme caution and keep all hands and body parts well clear of the injector nozzles ,the finely atomised fuel spray is capable of penetrating skin and causing severe injury so only expose the injector you are priming and keep the other three covered carefully watch the exposed injector tip and crank the engine you should see a fine even fan shaped spray of fuel and the nozzle end should be reasonably dry like no unatomised fuel should drip out of the end of the injector nozzle ,do the other three .
This test will give you a good idea as to how the injectors are performing ,it will not necessarily tell what the injector atomising,POP pressure is but it will at least tell how well they are performing.
All done reassemble using new copper washers ,if you dont have new washers clean up the old injector seat washers and put them on the gas stove and GENTLY HEAT till they are JUST RED and let them cool ,give the another clean and refit making sure you tighten the injector nuts even ,dont over tighten or you could damage the injector internals.

To check the overall condition of the Inlet and exhaust valves .

Remove the air filter element or elements set the tractor on a fairly steep driveway or loading ramp select top gear fourth High range and with the engine STOPPED AND THE STOP KEPT OUT IN THE NO RUN POSITION let the clutch out and the brakes of and let the weight of the tractor roll down hill holding it back so that the engine JUST turns over and at the same time listen via the air inlet filter housing ,you will hear how well the inlet valves are sealing or otherwise do the same with the exhaust removing the muffler first again this will give you an idea of the general condition of the inlet /exhaust valves.

Piston/ Liner wear.

Run the engine and when up to working temperature and with the engine set around 900/1000 RPM remove the dipstick There should be no or very little engine oil being pushed out of the dipstick hole if there is ,this is an indication of PISTON RING OR LINER WEAR.
Thats all I can offer..
Please do not use starting fluid perkins engines do not need it I have found it to be excellent for cleaning hydraulic parts or carburetors but personnaly i would not use it on any engine.

I wish all members of the forum A very Merry Chrismas and
a very prosperous new year.
Regards Hutch. ....

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