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#1
06-25-2013, 08:42 PM
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M18, thirsty for oil
The end is near? I'm running SAE 30 in my m18 in the 1810. When mowing (full throttle), she seems to be in the steady routine of burning about 1.5 pints over about a 1.5 hour mowing job. About 1020 hours on the clock. Burning that much oil, I'd think it would be blowing clouds of blue smoke, but that's not what I'm seeing. At night , idling with the headlights on, you can see smoke in the light beam. No puddles when it is parked. I need to clean the mule drive well and see if the chaff is catching oil? Any thoughts? I have read the M18's run very hot and like to burn off lighter weight oils. But straight 30 weight? Should I start preparing for a ring job?
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#2
06-25-2013, 10:28 PM
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I would clean everything really well and look for a leak.
I got an 1872 that was losing oil and i could see smoke from the seat. Turns out the oil sending unit was leaking. I fixed that , still had smoke , traced that to the valve cover. Oh yeah , the oil filter adaptor was leaking and i had to replace the gasket. I was shining a flashlight thru the front trying to find the leak , i finally had to take the sheetmetal off the muffler and i took all the screws out of the side sheetmetal and bent it down and found the leaks. I took the grill/hood off also. You should look at the front seal also. I hope it is just a leak and not the engine !!!
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#3
06-26-2013, 06:53 AM
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Check your air cleaner for the presence of excess oil inside the filter. If you have a lot of oil in there you could have a really dirty air filter and it's pulling oil out the crankcase breather.
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#4
06-26-2013, 12:19 PM
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Darrell, just where is the oil sending unit located on the M18? My father 1862 has an oil leak I need to dig into when I get a chance. The oil leak he has appears to be coming down the side of the block ABOVE where the remote oil filter adapter plate is located. I know I really need to dig into this and find the cause, but if there are some possible culprits that could be causing this, I could get some parts before I have it all apart.
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1989 - Cub Cadet 1772 1987 - Cub Cadet 1572 w/Rear PTO & Cat. 0 38" Lawn Sweeper #196483 42" L42 (Bush Hog) Rotary Cutter # 190349 45" 2-Stage Snowblower # 196364 48" Haban Rotortiller Rear PTO Driven #190356 54" SnowBlade with hydraulic Angle #196376 60" Haban Mowing Deck #196374
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#5
06-26-2013, 12:25 PM
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That is where the sending unit is , right ABOVE the oil filter adaptor. It has one wire plugged into it. I took the sending unit out and plugged it with a pipe plug. I check my oil before i use the tractor.
You may be able to see if it is leaking from the front of the tractor with a flashlight , but i had to take mine apart before i could see the leak.
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#6
06-26-2013, 06:18 PM
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Those are some good tips guys, THANKS!
 time for me to get busy looking. I did order new deck and mule drive belts, as I have not gone through the deck yet. In doing so, I found that NAPA sells Valvoline straight weight SAE 40 and SAE 50 racing oil. I'd imagine either would be fine during hot summer mowing. It's not cheap at about $6 a quart, but regularly feeding SAE 30 isn't cheap either.
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#7
06-26-2013, 08:08 PM
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Quote:
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2264 with 54 GT deck 1641 AKA Black Jack with a 402-E Haban Sickle bar mower JD317 dump truck BX2670 with FEL
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#8
06-26-2013, 09:26 PM
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Grand Pops 1810
I just read your thread or oil loss. I have a 2146 that has oil disappearing but the oil light is on whenever it is running even when the oil is full.
Yesterday It wouldn't start. I'm wondering if my problems might be the same. I will gladly accept any help since I'm a newby and am a bit over my head with these beautys.
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#9
06-29-2013, 12:11 AM
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Okay, got a plan... I popped off the grill and sprayed the remote oil filter lines and oil pressure sending unit real good with brake cleaner to remove all the oily residue and let me start with a clean slate. That is a hint already, in that the oil lines were new last fall (the originals rubbed through and leaked oil), and they already were covered again with an oily/dirty mess. Every thing is clean now, I'll check again after the next mowing. I've had an old Lincoln and Mopars over the years that have made big messes from leaking oil pressure sending units...
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#10
06-29-2013, 07:17 AM
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I hope a leak of some sort is all that is wrong and the engine is okay.
I was using my 1872 yesterday and smoke started rolling out the front. Shut it down and brought it home,tore it apart and found that the new gasket that i had put on the oil filter adaptor come apart. Drat !! That small gasket is some kind of rubber material and cost $8.00. Gotta get another one and i am going to check the adaptor to make sure it is flat.
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