Red liquid droplet from the bottom AND oily gearbox - Snowblower Forum : Snow Blower Forums
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post #1 of 12 Old 12-31-2015, 10:36 PM Thread Starter
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Red liquid droplet from the bottom AND oily gearbox

I have a Craftsman snowblower with hydrostatic transmission (27" with 305CC)

I have 2 problems:

Problem 1: I see few red droplets coming from the bottom - Any ideas what is this liquid ? (the gearbox oil is transparent not red)

Problem 2: The bottom of the gearbox is oily
I turned the machine to sit on the bucket to check the gearbox, when I touched the bottom of the gearbox I got some oil on my finger !!

In general the machine is working properly especially after I replaced the traction belt today.

Any ideas ?

Please check these photos:
Red droplets:
https://www.snowblowerforum.com/forum...1&d=1451618763
https://www.snowblowerforum.com/forum...1&d=1451618763

Gearbox bottom:
https://www.snowblowerforum.com/forum...1&d=1451618763
https://www.snowblowerforum.com/forum...1&d=1451618763
https://www.snowblowerforum.com/forum...1&d=1451618763
https://www.snowblowerforum.com/forum...1&d=1451618763
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Last edited by goal80; 12-31-2015 at 10:39 PM.
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post #2 of 12 Old 12-31-2015, 11:26 PM
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Sorry I can't help you,. Hopefully someone will stagger in here in the next few hours and shed some light on your problem.

Joe

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post #3 of 12 Old 12-31-2015, 11:28 PM
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First, is it still under warranty?

Second, it would definitely appear that your lefthand axle seal, is failing.

Garage:
MTD....2 stage(modern 8.5 HP) not my favorite
Honda HS622 TA-B - acquired at an auction- nice machine for it's size.
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post #4 of 12 Old 01-01-2016, 01:31 AM Thread Starter
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Quote:
Originally Posted by db9938 View Post
First, is it still under warranty?

Second, it would definitely appear that your lefthand axle seal, is failing.
It's not under warranty
Please see the drive manual :
https://drive.google.com/file/d/0B_s...p=docslist_api

If I understand correctly you beleive it's the axle (part no.404308) is failing and causing this red droplets.
Do you think the transmission box is OK? I'm finding oil on my finger when I touch its bottom .
Is it very difficult to replace the axle for a DIY person ?
Thanks a lot

Last edited by goal80; 01-01-2016 at 01:41 AM.
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post #5 of 12 Old 01-01-2016, 01:51 AM
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Well, the manual references a friction wheel model, on sears parts direct, whereas the pic actually depicts a hydro unit....?

Garage:
MTD....2 stage(modern 8.5 HP) not my favorite
Honda HS622 TA-B - acquired at an auction- nice machine for it's size.
Toro S-140- Picked it up on trash day... it runs, sort of.
Yamaha YS 240 TB "Ricky" latest Craigslist find- on the bench now.
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post #6 of 12 Old 01-01-2016, 02:06 AM Thread Starter
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Quote:
Originally Posted by db9938 View Post
Well, the manual references a friction wheel model, on sears parts direct, whereas the pic actually depicts a hydro unit....?
Oh yes you right. It's not the right manual. I have to scan the original manual.
However the view in the first page showing the axle is close

Last edited by goal80; 01-01-2016 at 02:11 AM.
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post #7 of 12 Old 01-01-2016, 02:08 AM
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Hmm, when I see/hear anything relating to red fluid I automatically think of a transmission issue.
I can't really comment on the difficulty of such a replacement, but I'm sure someone will chime in with their perspective of the matter.
And if it is just a seal and a very gradual leak, I wouldn't be immediately concerned with it causing an issue. When I say immediate, I'm making an assumption that if it just started leaking then you'll have enough fluid remaining to allow the continued use of the machine for the time being. At the very least, top off the fluid

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post #8 of 12 Old 01-01-2016, 03:15 AM
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My experience has been that those seals, get seated from the inside out. That would mean a total removal of the transmission, then dissembling the case halves. I would probably place the alternate axle in a vice, with a sizable catch pan under it.

Removing the old seal, is as simple as finding a socket that is as nearly as large as the aluminum housing, and tapping it out squarely. And putting one back, is as nearly straight forward as that.

You may need a new case gasket/seal, you never know if it will separate cleanly. You will also need replacement transmission fluid, and the procedure to properly refill after a drain.

The transmission mug's website seems to be down.

http://www.hydrogearpartstore.com

Garage:
MTD....2 stage(modern 8.5 HP) not my favorite
Honda HS622 TA-B - acquired at an auction- nice machine for it's size.
Toro S-140- Picked it up on trash day... it runs, sort of.
Yamaha YS 240 TB "Ricky" latest Craigslist find- on the bench now.

Last edited by db9938; 01-01-2016 at 03:23 AM.
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post #9 of 12 Old 01-01-2016, 04:01 PM Thread Starter
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Quote:
Originally Posted by db9938 View Post
My experience has been that those seals, get seated from the inside out. That would mean a total removal of the transmission, then dissembling the case halves. I would probably place the alternate axle in a vice, with a sizable catch pan under it.

Removing the old seal, is as simple as finding a socket that is as nearly as large as the aluminum housing, and tapping it out squarely. And putting one back, is as nearly straight forward as that.

You may need a new case gasket/seal, you never know if it will separate cleanly. You will also need replacement transmission fluid, and the procedure to properly refill after a drain.

The transmission mug's website seems to be down.

Genuine OEM Hydrogear Parts - Hydrogear Part Store
Here is the gearbox manual (hydrogear #187776):
http://www.mymowerparts.com/pdf/Hydr...ber-187776.pdf

So I believe I have to replace items 52 & 57 in both sides. or maybe I can order the kit # 122
Is it really necessary to open the gearbox to replace these 2 parts ?

What is weird is that I cannot see the gasket between the 2 halves in the view

Thanks!

Last edited by goal80; 01-01-2016 at 04:26 PM.
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post #10 of 12 Old 01-01-2016, 04:27 PM
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looks like atf
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