Re: Homelite 33cc 16" UT109470 not using oil (auto oiling...
Hey secureman777..........I have a Homelite 330, and I had the same problem. On mine, there is a rubber tube with a metal screen on the end inside the chain oil reservoir. The screen got all gunked up and wouldn't allow the oil to get sucked up by the oil pump. To get to it, you need to drain the oil and you should be able to see it down at the bottom of the reservoir. I used a long magnet to bring it out of the tank so I could clean it. That's all mine needed. I hope yours is that simple. It could also be the diaphragm inside the oil pump. If your saw isn't too old, they probably still sell the diaphragm. My saw is a 1981 and they don't make the diaphragm any more...............Good luck with your saw.
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Yes you do! The ratio is 50:1 fuel to oil. Be sure to use a modern synthetic saw oil available at home centers, hardware stores, and saw dealers. Be sure to use fresh fuel and mix the two in it's own container. Be sure to shake the container thoroughly each time just before refueling to prevent oil starvation in the engine. Don't make up more than one gallon at a time unless sawing is your business. Hope this helps!
There should be a oil adjusting screw on the bottom of your saw next to the bar beside the oil tank. Some models actually has the screw inside the tank. Drain the tank to make sure there isn't any debris clogging the hole where the oil feeds to the bar.
One way to check to see if the bar is oiling is:
1. Start the saw 2. Put a board, piece of cardboard or an uncolored old shirt in front of the bar 3. Press the trigger on the saw to allow the chain to circulate around the bar. 4. While keeping constant pressure on the trigger, look to see if there is a vertical line of oil on the piece of material you have placed on front of the bar. If the saw is oiling you will have a vertical line. If not adjust the oil set screw accordingly.
50:1 is the fuel to oil ratio. Never use petroleum oil (engine or boat motor oil). Always use a synthetic saw oil available from home centers, hardware stores and saw dealers. The bottles are usually graduated to various ratios for a gallon of fresh gas. Always premix in it's own container and shake the container thoroughly each time just before filling the tank to prevent oil starvation. Be sure to use bar/chain oil for the chain as well, and keep the chain sharp and well adjusted. Hope this helps!
40:1 mixture for the fuel:oil ratio.16:1 will cause your saw to barely run(if at all) and if it does, will fog out every mosquito for 4 blocks. You can use any reputable 2-stroke oil, though stay away from outboard engine oil. Get the good stuff that says Stihl, or Husquavarnah, or something like that. Even the Homelite stuff is ok. The oil tank takes regular bar and chain oil.
This is a current Homelite product although not your saw. This clearly recommends 50:1 as do I. I find no OM for your saw, a "Ranger 33cc 16" Chain Saw UT-10926" http://www.homelite.com/product_manual/file_url/66/UT10540_60_80_QSG.pdf Dolmar, Echo, Efco, Homelite, Husqvarna, Jonsered, Makita, Oleo-Mac, Red Max, Ryobi, Shindaiwa, Solo, Spear & Jackson, Stihl & Tanaka; all recommend 50:1 and have for a number of years. • 1 gallon of premium fuel to 2.6 ounces of quality 2-cycle oil. • 4 liters of premium fuel to 80 milliliters of quality 2-cycle oil. I suggest you contact Homelite and request an OM for your saw. Homelite/Ryobi.com (Contact Us) https://register.homelite.com/contact_us/new Please ask they prove a link to a site where ALL homelite product OMs may be accessed. If you have more questions or need additional help please reply below and I will get back to you. HTH & Good Luck. Lou Thank You for using FixYa.
Make sure you are using fresh fuel mix (50:1 ratio). Don't use boat motor oil in a saw--only modern synthetics made for saws. Always premix the oil and fuel thoroughly before adding to the saw. Check the fuel filter for plugging and the condition of all fuel lines, plus the primer bulb condition. Check all carburetor fasteners for tightness. Make sure the air filter and muffler are not plugged. If still no help, you may need to service the carburetor. For an excellent article on Walbro carburetors, go to: http://www.drystacked.com Pay particular attention to the placement of the lower diaphragm and the cover gasket--interchanging positions of them cause many headaches. Adjustment of the two jet screws require a special 'D' screwdriver which may necessitate a trip to a servicing dealer for adjustment. Hope this helps!
Go to: http://hcpi.arinet.com/scripts/EmpartISAPI.dll?MF&app=HNL531&... This gets you to drawings and part numbers of the entire saw. Also, for an excellent article on the Walbro carburetor, go to: http://www.drystacked.com Hope this helps!