My hobart n50 runs on the same speed in 1 and 2 and will not engage in 3 .. also sounds louder than normal..how do you lube?

Hello Ldl,

I understand that you are having a problem with you 5 quart commercial mixer by hobart. The 1 and 2 are the same speed and you are not getting 3. You also would like to know what oil to use in your machine and how to fill the unit.

To answer you speed question first. The speed is adjusted by the bolt located in the middle of the planetary (the part that turns underneath of the head the attachments hook to). If this bolt is tightened all the way up or to lose it will not allow you to achieve all of the speeds. You will have to adjust this screw many times and turn the machine on to check you speeds. Eventually you will achieve all three speeds.

Before I answer how you lube the machine you need to know what kind of lube to use. The gear box uses a 90 weight gear oil and the planetary uses 140 weight gear oil (grease).

Lubing the gear box with top cover:
1. Remove the top of the gear box (the cover)
2. There is a Round plate with three bolts (do not remove) in this plate there is a disc (looks like a cap seal) use a small screw driver to pry this disc out carefully you will have to put it back once you are done lubing the unit.
Lubing with out a top cover:
1. Remove the switch and gear selector (remember position of gear selector)
2. Fill thru whole in side behind plate removed

Lubing planitary:
1. Remove drip ring
2. Remove the planetary (unscrew bolt in middle)
3. Remove key located in the side of shaft
4. Lube and put back together

Thank you for choosing Fixya.com

Justin