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 Post subject: Air compressor lubricant
PostPosted: Tue Sep 26, 2017 8:14 am 

Joined: Fri Sep 22, 2017 6:33 am
Posts: 7
Mobil has been less than helpful, looking for the Mobil product that will work in a Wabtek wBO air compressor. Any help would be appreciated. Thanks in advance.


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 Post subject: Re: Air compressor lubricant
PostPosted: Tue Sep 26, 2017 9:31 am 

Joined: Tue Mar 10, 2015 10:29 am
Posts: 45
Location: Michigan
Googled “Wabtec wBO air compressor oil” and a PDF document was the first on the search list.

Scrolling to page 13, it outlines the specifications required for the oil, which any
oil supply house should be able to decipher.

http://techinfo.wabtec.com/DataFiles/O& ... 4202-2.pdf

“…Compressor Oil for Heavy Duty Compressors, for operations
at ambient temperatures below +10° F (-12° C) ATSM
Viscosity Grade Number SUS @ +10° F = 215 (ISO V.G.
46). Wabtec Corporation Specification M-7615-20. This oil
shall be a high quality, solvent refined, paraffin base or suitable
blend. Additives to inhibit foaming, rust, oxidation, and wear
are required. DETERGENTS ARE NOT PERMISSIBLE. Anti-
wear additives are recommended.
Compressor Oil for Heavy Duty Compressors, for operation
at or above ambient temperature above +10° F (-12° C) ATSM
Viscosity Grade Number SUS @ +10° F = 315 (ISO V.G.
68). Wabtec Corporation Specification M-7616-20. This oil
shall be a high quality, solvent refined, paraffin base or suitable
blend. Additives to inhibit foaming, rust, oxidation, and wear
are required. DETERGENTS ARE NOT PERMISSIBLE. Anti-
wear additives are recommended.
Compressor Oil for Heavy Duty Compressors, for high
ambient temperatures operations at or above +125° F (52°
C) ATSM Viscosity Grade Number SUS @ 100° F = 465
(ISO V.G. 100). Wabtec Corporation Specification M-7617.
This oil shall be a high quality, solvent refined, paraffin base
or suitable blend. Additives to inhibit foaming, rust, oxidation,
and wear are required. DETERGENTS ARE NOT
PERMISSIBLE. Anti-wear additives are recommended…”

John

Post Script: Additional search related to viscosity information

https://bobistheoilguy.com/viscosity-charts/


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 Post subject: Re: Air compressor lubricant
PostPosted: Tue Sep 26, 2017 10:40 am 

Joined: Thu Aug 26, 2004 2:50 pm
Posts: 2096
Location: Northern Illinois
Sounds like the Mobil Rarus 400 series compressor oils would fill the bill. Rarus 427, an ISO 100 oil that matched the viscosity of the third item above is commonly available; McMaster Carr stocks it in gallons and fives. I'm sure it's available in 55 gallon drums from Mobil distributors. Digging a bit, I see a whole series is available from ISO 32 to ISO 150.

More info here:

https://www.mobil.com/en/industrial/Lub ... -Rarus-427

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Dennis Storzek


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 Post subject: Re: Air compressor lubricant
PostPosted: Tue Sep 26, 2017 10:46 am 

Joined: Fri Sep 22, 2017 6:33 am
Posts: 7
Thank you for the help, I appreciate you taking the time.


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 Post subject: Re: Air compressor lubricant
PostPosted: Thu Sep 28, 2017 6:22 pm 

Joined: Mon Aug 23, 2004 2:09 pm
Posts: 354
Location: Los Angeles
Use interlube carbonless air compressor oil. Carbon will jamb the check valves because they overheat causing deposits.. Some of the synthetic compressor oils will breakdown the carbon deposits but these oils are hard on gaskets.

http://www.interlubecorp.com/compressor.asp


Last edited by Bobk on Fri Sep 29, 2017 1:34 am, edited 1 time in total.

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 Post subject: Re: Air compressor lubricant
PostPosted: Thu Sep 28, 2017 11:39 pm 

Joined: Thu Dec 12, 2013 1:26 pm
Posts: 44
I suppose everybody knows to clean and wipe out the crankcase of any carbon.


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 Post subject: Re: Air compressor lubricant
PostPosted: Fri Sep 29, 2017 1:35 am 

Joined: Mon Aug 23, 2004 2:09 pm
Posts: 354
Location: Los Angeles
Deleted


Last edited by Bobk on Fri Sep 29, 2017 8:22 pm, edited 1 time in total.

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 Post subject: Re: Air compressor lubricant
PostPosted: Fri Sep 29, 2017 9:33 am 

Joined: Sun Aug 22, 2004 9:54 am
Posts: 794
Location: NJ
I don't think we are talking about steam compressors here. Wabtec WBO is used on diesels.


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 Post subject: Re: Air compressor lubricant
PostPosted: Fri Sep 29, 2017 9:37 am 

Joined: Sat Feb 05, 2005 1:05 am
Posts: 399
Stationary Engineer wrote:
I suppose everybody knows to clean and wipe out the crankcase of any carbon.


Routine maintenance was to flush the air side with a hot lye solution to remove carbon and crud.


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 Post subject: Re: Air compressor lubricant
PostPosted: Fri Sep 29, 2017 10:17 am 

Joined: Sun May 23, 2010 11:27 am
Posts: 420
Location: Switching the Coach Yard
A couple thoughts:

WBO would be a Gardner-Denver design not a Westinghouse. Wabtec may have rebuilt it, but not a Westinghouse design like a 3-CD.

Lubricant for a Gardner Denver varies with the size of the sump on the various models. A high base 3 cylinder uses R&O 32 or equivalent. Medium and low base use an SAE 30, although we've used the SAE 40 Diesel Engine Oil in them with good success.

There was a good discussion of this in an EMD "Pointers" article from back in the day as well as the appropriate MI.

Your results may vary.

ETA
Hot Air, Tennessee


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 Post subject: Re: Air compressor lubricant
PostPosted: Fri Sep 29, 2017 10:25 am 

Joined: Sun Aug 22, 2004 9:54 am
Posts: 794
Location: NJ
Yes, and after clicking on 'submit' a little bell started ringing, Wabtec and WBO should not be in the same sentence.


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 Post subject: Re: Air compressor lubricant
PostPosted: Fri Sep 29, 2017 10:29 am 

Joined: Sun May 23, 2010 11:27 am
Posts: 420
Location: Switching the Coach Yard
I believe Triangle is a Wabtec company now, so even though it was not their design, they do in fact rebuild them and no doubt tag them with a Wabtec logo. But yes, confusing if you don't know.


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 Post subject: Re: Air compressor lubricant
PostPosted: Fri Sep 29, 2017 6:08 pm 

Joined: Sun Aug 22, 2004 10:18 pm
Posts: 77
Location: Philadelphia, PA
On all our Gardner-Denver compressors irrespective of base height we use R&O 68 Turbine/Hydraulic Oil ISO VG 68.

EBL


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 Post subject: Re: Air compressor lubricant
PostPosted: Sat Sep 30, 2017 12:40 am 

Joined: Wed Oct 13, 2004 12:56 am
Posts: 341
Location: Northern California
How often do you change the oil?


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