Omega Owners Forum

Omega Help Area => Omega General Help => Topic started by: tooleater on 26 September 2013, 12:22:26

Title: spark plugs
Post by: tooleater on 26 September 2013, 12:22:26
As im about to attempt 2 remove plenum,for the first time in 3 years of ownership :-X my main concern how much to tighten new plugs by + is it alright to use a shot of Wd 40 on threads. I studied the Guides guys :y
Title: Re: spark plugs
Post by: Kevin Wood on 26 September 2013, 12:25:23
New plugs should be tightened to 25nm.

The washers can take a little while to crush, so insert the plugs, torque them up, have a cuppa and then re-torque them, as otherwise, they can tend to work loose.

No real need to lube the threads, although if inclined to do so, I'd use a little copper grease, as WD40 won't help. :y
Title: Re: spark plugs
Post by: tooleater on 26 September 2013, 12:34:22
Bu--ger  :-[ I  aint got a Torque wrench Kev
Title: Re: spark plugs
Post by: Andy B on 26 September 2013, 12:55:17
Bu--ger  :-[ I  aint got a Torque wrench Kev

tighten by hand, then another 1/4 to 1/2 a turn of the plug  :y
Title: Re: spark plugs
Post by: tooleater on 26 September 2013, 13:10:06
Very tempting Andy, but I work with 2in steel gas pipework,no torque wrenches here,seal it and lock it down ;) Ah the joys of Mig ownership ::) £30 to get oil+filter changed, £124 for Halfords 170 set and now Torque wrench, mind you it would have cost me a £100 er for decent jack + stands to lift that bus :-X
Title: Re: spark plugs
Post by: Andy B on 26 September 2013, 13:52:45
Very tempting Andy, but I work with 2in steel gas pipework,no torque wrenches here,seal it and lock it down ;)  .....

I've worked on a lot bigger & smaller too  ;)

....... 1/4 to 1/2 a turn is how a flat seat spark plug with a crush washer has always been tightened up to. If you try the same on a taper seat plug, you'll never get the bugger out again.
Title: Re: spark plugs
Post by: tooleater on 26 September 2013, 14:07:36
Im a bit disappointed :( will buy a torque wrench, better safe than sorry :y :y
Title: Re: spark plugs
Post by: Andy B on 26 September 2013, 14:08:48
Im a bit disappointed :( will buy a torque wrench, better safe than sorry :y :y

and will you trust it unless you have it certicated each year?  ::)  ::)  ::)
Title: Re: spark plugs
Post by: tooleater on 26 September 2013, 14:26:34
Cheers for that Andy, was nt sure to go el cheapo or mid range, Teng I think ;)
on subject calibration, just got my Flue gas Analyser back. purchsed 2008 £650 calibrated every year £99 conveniently >:( >:(
Title: Re: spark plugs
Post by: Andy B on 26 September 2013, 18:25:01
Cheers for that Andy, was nt sure to go el cheapo or mid range, Teng I think ;)
on subject calibration, just got my Flue gas Analyser back. purchsed 2008 £650 calibrated every year £99 conveniently >:( >:(

Teng have a pretty good reputation  :y