The Triumph Dolomite Club - Discussion Forum

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PostPosted: Tue Jan 14, 2020 8:54 am 
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Location: High Wycombe
Quick question...

Having cleaned up the front hubs and removed all of the old grease and muck, how much fresh grease should there be in the hub ?

Thanks, Richard


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PostPosted: Tue Jan 14, 2020 11:45 am 
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Quote:
Quick question...

Having cleaned up the front hubs and removed all of the old grease and muck, how much fresh grease should there be in the hub ?

Thanks, Richard
A difficult one this, there's no stated amount, it's pretty much a judgement call.

I go about halfway between a thin coat and packed solid, it's worked for me all these years!

Having new grease of a decent spec is probably more important than the exact amount!

Steve

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2 door '73 Toledo with Vauxhall Carlton 2.0 8v engine OWF 797M (The Carledo)
'78 Sprint Auto with Vauxhall Omega 2.2 16v engine EGP 247T (The Dolomega)
'91 Cavalier 2ltr 8v auto
'95 Cavalier 2ltr 16v auto
Spectrum Auto Services, Servicing, Repairs, Electrical, Recomissioning, MOT prep, Trackerjack brake fitting service.
Apprentice served Triumph Specialist for 45 years and home of Maverick Triumph.PM for more info or quotes.


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PostPosted: Tue Jan 14, 2020 12:09 pm 
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if your using new bearings or even old good useable ones,spend time on getting grease in the bearing itself! pack the bearing thoroughly...main thing is the bearing not the hub

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Dolomite 1300,1980`V`reg in british racing brown(russet),3.63 diff with 21t speedo pinion,95%poly`d,HL clocks,standard wheels with SE covers wrapt in 175 70 13,mot`d 19-09-2014,been off the since 1990,(july2017) stainless steel exhaust 3-piece,(xmas2018) wooden mountney steering wheel

Dolomite 1300,1977(tax free 1-1-1977),`R`reg in carmine red,bog standard including rust :shock: last time on road 6-2005


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PostPosted: Tue Jan 14, 2020 2:01 pm 
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Indeed, the hubs don't need grease, the bearings do.
But as above, packing teh bearings is the important bit. I don't think grease escapes (unless you seriously overheat the brakes, seen that going down Stelvio with an Auto Stag, pretty scary. Lost most of the brakes) But I a,ways chicken out and have a ring of grease behind the bearings.

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Brighton
Driving Toledo fitted with slant 4, sprint OD box and axle. Needs fettling!


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PostPosted: Tue Jan 14, 2020 2:04 pm 
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I suggest you have a read of the advice provided on the SKF bearing site. Below is an extract from the site

Initial grease fill
Super-precision bearings operating at high speeds should have less than 30% of the free space in the bearings filled with grease.
Open angular contact thrust ball bearings for screw drives should be lubricated with a grease quantity that fills ~ 25 to 35% of the free space in the bearing.

Freshly greased bearings should be operated at low speeds during the running-in period (→ Running-in of grease lubricated bearings.) This enables excess grease to be displaced and the remainder to be evenly distributed within the bearing. If this running-in phase is neglected, there is a risk that temperature peaks can lead to premature bearing failure.


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PostPosted: Tue Jan 14, 2020 2:41 pm 
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in that case,,,do what SKF say

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Dolomite 1300,1980`V`reg in british racing brown(russet),3.63 diff with 21t speedo pinion,95%poly`d,HL clocks,standard wheels with SE covers wrapt in 175 70 13,mot`d 19-09-2014,been off the since 1990,(july2017) stainless steel exhaust 3-piece,(xmas2018) wooden mountney steering wheel

Dolomite 1300,1977(tax free 1-1-1977),`R`reg in carmine red,bog standard including rust :shock: last time on road 6-2005


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