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lubrication question
HI ALL
Those lubrication nipples, what did they used for, grease or oil?? arie |
#2
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usually grease
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Charles Fitton Maryhill On., Canada too many carriers too many rovers not enough time. (and now a BSA...) (and now a Triumph TRW...) |
#3
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I guess Arie is wondering about the coupling?
According to the Canadian lube chart, grease everywhere......except for the gearbox coupling which took C600 gear oil what ever that is these days. I guess this was after the seals were introduced to diff and gearbox ends? I dont know. As far as I know, we (New Zealand) only received the earlier carriers without the two seal modifications. Maybe the coupling was only greased on assembly? How that grease nipple was ever supposed to get any lube to the coupling or speedo drive, I have no idea. I guess if the carrier was hung by its two front tow eyes the gearbox oil would get there. Great design!
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Bluebell Carrier Armoured O.P. No1 Mk3 W. T84991 Carrier Bren No2.Mk.I. NewZealand Railways. NZR.6. Dodge WC55. 37mm Gun Motor Carriage M6 Jeep Mb #135668 So many questions.... |
#4
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Lynn,
C600 is a British army specification for a very high viscosity and 'sticky' oil used in some gearboxes which have yellow metal components. The most common application is the Merrit Brown gearbox in Centurion tanks. It is actually very similar to cylinder lubricating oil used in large steam engines. David |
#5
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Thanks David. Did it later become OC 600?
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Bluebell Carrier Armoured O.P. No1 Mk3 W. T84991 Carrier Bren No2.Mk.I. NewZealand Railways. NZR.6. Dodge WC55. 37mm Gun Motor Carriage M6 Jeep Mb #135668 So many questions.... |
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I'm not sure, I suspect that OC600 is the correct term. I think it stands for Oil Compound but the numbers used in British army oil descriptions don't seem to directly relate to anything. Then there is OM13 which is hydraulic oil. The numbers do seem to get bigger with viscosity. OC600 doesn't so much pour as level out.
David Last edited by David Herbert; 24-06-20 at 22:55. Reason: Removed the reference to OM220 which I seem to have invented myself ! Sorry Mike C ! ! |
#7
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Quote:
Quote:
If the Canadian chart specifies North American oils/greases (SAE), then there is a possibility that it could be referring to 600W gear oil, also a high viscosity and sticky oil that was in common use during the 20's and 30's as diff oil for the Model T and A Ford cars and trucks. Many other heavy US (and therefore, probably Canadian, trucks of the era used it for diff oil). https://www.macsautoparts.com/ford_m...rt-bottle.html
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#8
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Richard Farrant who worked in army workshops for many years, tells us that the modern equivalent of C600 is SAE 140 gear oil. (note NOT EP140) . Ron
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Thank you all. Mike, you comments made me think of something. I pulled the lid on a Dodge 4 speed that had been sitting for years. (war time oil?) It had a skin over everything inside (except the contacting areas) the box was in very good condition. I have seen gear boxes opened with later oil in them and the oil had drained away on top and all above the oil line was rusty. I wonder if this box had this type of oil?
The coating was like a plastic skin that we used to find on some new gears back in the 70s. as I recall the gears were blackish but the oil looked nice and clean (given time to settle it always does)
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Bluebell Carrier Armoured O.P. No1 Mk3 W. T84991 Carrier Bren No2.Mk.I. NewZealand Railways. NZR.6. Dodge WC55. 37mm Gun Motor Carriage M6 Jeep Mb #135668 So many questions.... Last edited by Lynn Eades; 23-06-20 at 08:20. |
#10
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Lots of discussions on US + UK vehicles forums and vintage machinery forums (https://www.google.com.au/search?sou...sclient=psy-ab) list the history of this oil and possible modern equivalents.
Suggestions include 140W Gear Oil, 250W Gear Oil or 680 Steam Oil. Some even consider that the "W" does not refer to Weight or Winter as per modern parlance, but that the original oil was Mineral Oil compounded with Whale Oil! Try finding that today.
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