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GeorgeG
Apprentice Appliantologist
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Posted: Tue Feb 12th, 2008 21:17 |
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I am rebuilding a Kenmore/Whirlpool 110.20982992 washer. So much grease and oil leaked around the drive system that I need help on which drive train parts to lubricate/grease and which parts must stay dry (or be cleaned of oil/replaced) on reassembly (using mostly new parts). If I went by the autopsy of the failed machine it looks like everything gets grease but I am pretty sure that the brakes as a minimum need to be dry. In particular what gets grease and what stays dry in the:
Tub support and brake including bearings and seals
Gearcase shaft/spline
Clutch
Brake and drive tube, thrust washers, etc.
Agitator parts
Anything else?
The parts list shows:
Lubricant - "Use only in brake shoe assembly on roller pin"? Where is this used?
Do I need to lubricate the seals in the tub support tube with soap/etc.? before assembly?
Is the replacement gearcase already filled with oil?
Thanks,
George
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appl.tech.29501
Fellow, Academy of Sublime Masters of Appliantology
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Posted: Wed Feb 13th, 2008 02:05 |
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Most parts you buy are pre lubricated if it's required. The gear case already has the oil in it, just make sure to pierce the vent hole in the top of it if it's not already done (there should be a sticker pointing this out)
it's ok to add a little soap when installing the tub seal to help slide down the spin tube.
Just make sure the clutch is grease free ( if you by a new one it will be)
really shouldn't have to lubricate anything else except maybe the suspension springs
Last edited on Wed Feb 13th, 2008 02:06 by appl.tech.29501
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GeorgeG
Apprentice Appliantologist
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Posted: Wed Feb 13th, 2008 02:26 |
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Thank you,
George
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GeorgeG
Apprentice Appliantologist
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Posted: Thu Feb 14th, 2008 16:15 |
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Started the rebuild, one last question on this. The tub support/brake tube assembly was 90% pre-assembled with all of the bearings and seals pre-greased. The very top seal came in a seperate bag and is of course dry. After pressing this seal into the top of the tube, should it also be greased and if so with what, or left dry?
Thanks,
George
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appl.tech.29501
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Posted: Sat Feb 16th, 2008 00:56 |
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I dont use any grease on that seal....never had a problem
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GeorgeG
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Posted: Sat Apr 26th, 2008 19:46 |
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I dissasembled a 1 month old washer and took a closer look at the new support tube to get to the bottom of the question of the changing top seal(s) and what to lubricate.
The bottom inside structure of the centerpost tube/tub support is unchanged - two small rubber seals in the bottom (359449), packed with grease, topped with a single metal bearing (8546455). The top of the tube innards have changed. The top bearing is closer to the top of the tube, not even one of the old large top rubber seals (356934) would fit, nevermind the two that used to be called for. In this regard, the exploded parts diagrams and their descriptions are wrong, they have not been modified to show this. Now a single redesigned, smaller seal is used and the bottom section of the seal has a grease channel. The part number for this seal is unchanged (356934). If you just need to replace the 2 top seals in an old tube, you need to try and get a pair of the old larger seal and grease the top one only. If you have a newer tube you need one of the newer small top seals. I have gotten both when ordering 356934.
Also, this single top seal must be greased. I first assembled the old washer with the seal dry as was suggested and the seal failed after about 10 hours. The seal started singing loudly at spin speeds and actually scored the stainless spin tube shaft. Also, in a new installation, the top shoulder of the seal is just below the top of the tube. Be careful because if you are not using a centerpost seal installation tool, the seal can jump past a small recess as the shoulder clears the top of the tube. I have constructed a PVC pipe based installer that fits inside the tube diameter and has an outer sleeve to limit travel.
The install sequence is: 2 lower seals (greased) and bearing. Install the top bearing. Install the brake tube. Pour 1 tsp of turbine oil down the assembly. Pack the top seal with grease and assemble.
The Rykon #2 grease that is called for in this top seal has a strong nasty smell to it. I bought it new from searsparts with the Whirlpool part number. Is there a better grease that would be heat tolerant, compatible with the rubber seals and the turbine oil? The pre-greased tube does not have this smell so either I have some bad grease or WHirpool pre-greases this assembly with somethingm other that Rykon #2. What about the pink/white greased used on the gearcase shaft seals and bearings?
Thanks,
George
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