I took mine all apart and the oil was just at the point of turning into grease. Nasty,, brown smelling ****.... I cleaned it all up and just used a sync 50w gear oil.. I over filled it and the extra ran out of the motor end of the gear box... It might have been about 2 table spoons too much.. Now it does not leak anymore.
MobilGrease XHP 220 Hobart Part Number 00-103881-00044. My D 300 T takes 40 ounces (or two cans) to repack the gears. The Planetary lubricant is 00-102973-00013 Exxon Spartan EP 150 Industrial Gear Lubricant. It comes in a 6-8 oz squirt bottle but you only need two ounces to fill the palnetary cup.
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Best guess is that the gear for 3rd speed is seized together with it's brass bushing and the center, large transmission shaft. I don't recall which gear is for 3rd, but the transmission has two gears (2nd and 3rd speed) which have brass bushings in them. The brass bushing should spin freely on the center shaft (when in final position - sometimes they pull off the shaft tough, but spin freely when in final position, my opinion is that this is OK), and the gear should spin freely of the brass bushing. My guess is that the 3rd speed gear, being seized to the center shaft, cannot freely idle on the center shaft, which would result in being stuck in 3rd gear.
It's not oil in the A200, it's #2 weight grease. Although when it gets old enough it can break down far enough to basically become oil (either that or someone put oil in it previously). There are a number of answers written on fixya.com explaining how to disassemble the transmission and change the grease. Fill with 36 ounces #2 grease. FYI : disassembling the transmission and changing the grease is a very messy task and one can VERY easily reassemble the transmission incorrectly, so consider bringing the mixer to Hobart to have the job done.
I understand you are wanting to give you Hobart D300 an Oil change.
Here are the steps you need to follow:
1. Locate the oil plug on the buttom of the head next to the plantary and the bowl slides. It will be a bolt just like on you car.
2. Run you machine for a short time in order to get the oil warm so that it will flow out of the gear box.
3. Remove the bolt so that the oil will come out into a container.
4. Once drained you reinstall the bolt
5. Remove the top of the Head (2 screws)
6. You will locate a plate that has a few bolts holding it on. On that plate there is a little tin cap you can remove it with a little flat screwdriver. Becarfule not to damage it you will have to put it back in the hole after you fill the unit.
7. Install 70oz of 140 weight gear oil. It is also thick you may have to push it in to the unit then run the unit and check the oil sight. Add slowly as you do not want to over fill the unit.
8. Replace the cap. (if damaged you will need to order a 00-064871 from the Hobart Corp. at 1-800-446-2278 or another part company)
9. Replace the top of the Head and you are done.
Turn on the unit and us it as you have before.
If you have any other questions please post to this thread.
It uses grease which breaks down over time. The transmission has to opened up and all of the old lube removed and replaced with fresh lube and the bottom seal replaced. Contact your local Hobart office. www.hobartservice.com to locate your local office.
Transmission uses #0 weight grease, best to get direct from Hobart (their grease is the correct weight and approved by U.S. FDA & USDA as safe for use in food equipment) but if you insist on not doing so, at least obtain an Extreme Pressure #0 grease and don't overpack the transmission, I believe it should have 35 oz. if memory serves right.
Uses a heavier grease for the planetary gear, use #2 weight. Don't need much, just a light coat on the planetary gear.
Bowl lift rails use medium weight oil, again use food grade oil supplied by Hobart.
Goto hobartcorp.com,create a username and then you will be able to find out what your looking for.I know that these mixers used oil when they where new but now changed to grease.Any ? let me know as im a hobart tech a repair these often.
Hi,I'm a hobart tech and repair these mixer's often.If you see oil in the drip cup then the center shaft seal in the transmission is worn.If there is oil near the transformer then the motor shaft seal is also bad.Hobart doesnt release their service manuals to the public but if you go to their site www.hobartcorp.com you can register for free and get a parts manual thats helpful.If you need help with the repair let me know,i can step you through it.
Where is it leaking grease from?Im a hobart tech and service these mixers.When i go into work i will get you the part # for the grease.You would then have to contact your local hobart branch,tell them the part # and pick up the grease.