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AC 720 / Simplicity 9020 Snowblower
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rustydollar View Drop Down
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Joined: 07 Aug 2017
Location: Manitoba
Points: 456 		Post Options Post Options   Thanks (0) Thanks(0)   Quote rustydollar Quote  Post ReplyReply Direct Link To This Post Topic: AC 720 / Simplicity 9020 Snowblower
    Posted: 22 Sep 2017 at 10:48pm
Absolutely no where on the gear case to check or add gear lube, I figured a 45 year old snowblower just might need a flush with fresh gear lube.

Four bolts hold the gear case to the blower then another two bolts at the output flex connector, four small bolts secure the top cover to the case. After the cover bolts have been removed gently tap on all sides of the cover to loosen the gasket.

Gasket is made from cork, the case was full of gear lube with some thick looking snot chunks, tomorrow I'll finish cleaning out the old gunk with solvent and compressed air.

Once the old lube had been drained and collected into an old pail I diluted the lube with solvent then tossed in a magnet checking for iron. No iron has stuck to the magnet so I'm probably good to reassemble using the old bearings and seals.

A visual inspection of the bevel gears shows no nicks or chips.
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rustydollar View Drop Down
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Points: 456 		Post Options Post Options   Thanks (0) Thanks(0)   Quote rustydollar Quote  Post ReplyReply Direct Link To This Post Posted: 23 Sep 2017 at 10:38am
Any recommendations on which gear lube to use.
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Points: 456 		Post Options Post Options   Thanks (0) Thanks(0)   Quote rustydollar Quote  Post ReplyReply Direct Link To This Post Posted: 23 Sep 2017 at 5:12pm
Being impatient did some research on my own, the Simplicity snowblower has a non vented gear case that uses the following products. There maybe more that I may have missed.

SHELL GADUS S2 V220 00 also found a product from Amsoil EP 00 and it looks like a 90 wt can be substituted.

The above lubricants are used in some rototillers like the Landpride and most walk behind.

http://www.amsoil.com/shop/by-product/grease/semi-fluid-00-synthetic-ep-grease/

AMSOIL Semi-Fluid Synthetic EP Grease resists water and provides superior protection against corrosion and oxidation that can destroy critical components and lead to equipment failure.

AMSOIL Semi-Fluid Synthetic EP Grease helps solve problems associated with leaky gearboxes


Edited by rustydollar - 23 Sep 2017 at 5:18pm
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ac720nut View Drop Down
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Joined: 09 Feb 2016
Location: Dexter Mi
Points: 1217 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ac720nut Quote  Post ReplyReply Direct Link To This Post Posted: 24 Sep 2017 at 6:44am
Will gearbox need to be vented with different lube ?
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rustydollar View Drop Down
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Points: 456 		Post Options Post Options   Thanks (0) Thanks(0)   Quote rustydollar Quote  Post ReplyReply Direct Link To This Post Posted: 25 Sep 2017 at 8:56am
Originally posted by ac720nut ac720nut wrote:

Will gearbox need to be vented with different lube ?


Personally I would stick with the manufactures recommended lubricant.
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AcFordHawk View Drop Down
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Points: 228 		Post Options Post Options   Thanks (0) Thanks(0)   Quote AcFordHawk Quote  Post ReplyReply Direct Link To This Post Posted: 25 Sep 2017 at 9:01am
Found this when researching something similar earlier this year for rototillers and snow blowers.  Price is reasonable compared to others I found.
https://www.tractorsupply.com/tsc/product/super-s-cotton-picker-spindle-grease-00
IB (restoring), MF GC1705, MF 2705E
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Points: 456 		Post Options Post Options   Thanks (0) Thanks(0)   Quote rustydollar Quote  Post ReplyReply Direct Link To This Post Posted: 25 Sep 2017 at 9:27am
Originally posted by AcFordHawk AcFordHawk wrote:

Found this when researching something similar earlier this year for rototillers and snow blowers.  Price is reasonable compared to others I found.
https://www.tractorsupply.com/tsc/product/super-s-cotton-picker-spindle-grease-00



 I just got off the phone with NAPA and they stock a similar Pennzoil 00 grease, same price.


Edited by rustydollar - 25 Sep 2017 at 9:30am
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