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Greasing location for gearbox MTH 20-20222-2

NM NKP MuncieOGR Forum Member SUPPORTING MEMBER

Pulled out of storage an MTH N&W U25B with PS3, 20-20222-2. I ran it a bit when I first bought it, but not in the last five or six years. I put a little oil on the axles, and some grease on the axle gears and idlers. Confused now about where else to grease. MTH steamers and three-axle (per truck) diesels I've seen have ports labeled "GREASE," but this loco doesn't.

The manual mentions removing two grease port screws (two per gearbox) and putting a small amount of grease in, but there are no pix of the ports - or at least they aren't labeled. Are those ports on the bottom of the truck, or are they accessed by removing the shell? Or somewhere else?

Pic of one of the trucks.

u25Btruck

I am a bit of a klutz - well, more than a bit - don't want to go opening up things I don't need to.

Thanks for your help.

David

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Last edited by NKP Muncie
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VB Vernon BarryOGR Forum Member SUPPORTING MEMBERDIGITAL SUBSCRIBER

Again, to be clear, when you take out the motor mount screw to truck- then the entire truck can come down off the diecast motor mount pivot- except for the wires holding it up. Just warning you now if you intended to not go down that path. I use the wheels to rotate and pull the worm on the motor back into the truck when assembling- especially if you have the shell still on and the motor is basically just sitting in the chassis.

I'm a believer, if you are going to take the time to grease the trucks- go the next step- open the shell, check the smoke unit, oil the fan and so forth as a complete end to end maintenance. But that's just my opinion.

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