hi i removed my old standard ballencer and went to replace it with a romac for my 308 the old one sliped on and of easily but the romacs very tight just wondering if this is normal cheers
tight romac harmonic ballencer
Started by
_bronjak_
, Oct 02 2006 06:47 PM
14 replies to this topic
#2
_LHoon_
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Posted 02 October 2006 - 06:51 PM
Yep, they're meant to be a fairly tight fit. Usually need to tap them on with a mallet (without damaging the balancer of course!)
#3
TerrA LX
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Posted 02 October 2006 - 07:12 PM
id say a lil tight, enough for the bolt to pull it on is ok, but very tight, i might contact the maker before you damage your crank.
#4
_bronjak_
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Posted 02 October 2006 - 10:07 PM
its pretty tight i was worried cause if it didnt line up properly there wouldnt be much play to turn it im just curious if romacs were tighter than origional ones cheers
#5
Heath
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Posted 02 October 2006 - 10:14 PM
The standard balancers are loose in comparison to most aftermarket ones, that's what I've found anyway, but I've never pulled one off a 253/308 before.
#6
makka
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Posted 03 October 2006 - 01:08 PM
hows your crank and keyway? no burrs or anything?
#7
_LHoon_
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Posted 03 October 2006 - 03:58 PM
1. Lightly oil the shaft
2. Tap it on a little bit with a rubber mallet, or something soft so as not to damage the balancer.
3. Buy another bolt that is longer (1/2 inch or so) than the crank bolt so that you can pull the balancer on the rest of the way.
4. Once the balancer is on most of the way, discard the longer bolt and use the proper crank bolt.
Job's done.
2. Tap it on a little bit with a rubber mallet, or something soft so as not to damage the balancer.
3. Buy another bolt that is longer (1/2 inch or so) than the crank bolt so that you can pull the balancer on the rest of the way.
4. Once the balancer is on most of the way, discard the longer bolt and use the proper crank bolt.
Job's done.
#8
_bronjak_
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Posted 04 October 2006 - 12:19 AM
no the crank hasnt got any burrs i might have to give the oil and mallet a go
#9
LX2DR
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Posted 04 October 2006 - 12:39 AM
If it only needs a little bit more clearance you could try a hot air gun (High performance hair dryer) and warm up the hub a little.
Might be enough to get it over the key and pull it the rest of the way with the bolt.
My 2c worth.
Might be enough to get it over the key and pull it the rest of the way with the bolt.
My 2c worth.
#10
_SSHatch_
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Posted 04 October 2006 - 09:05 PM
It should locate correctly and you should not be able to spin it on the crank at all.its pretty tight i was worried cause if it didnt line up properly there wouldnt be much play to turn it im just curious if romacs were tighter than origional ones cheers
Kinda defeats the purpose if it can slip and turn.
#11
LX2DR
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Posted 05 October 2006 - 02:26 PM
I think he mean't that if he didnt have the key & keyway lined up properly he might need to turn the pulley and line them up.It should locate correctly and you should not be able to spin it on the crank at all.its pretty tight i was worried cause if it didnt line up properly there wouldnt be much play to turn it im just curious if romacs were tighter than origional ones cheers
Kinda defeats the purpose if it can slip and turn.
#12
_bronjak_
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Posted 05 October 2006 - 07:31 PM
thats wat i meant i wouldnt be able to line it up if it was outa line with the key just wondering if the cranks vary with 308s as in differnt sizes where the ballencer goes on
#13
makka
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Posted 05 October 2006 - 08:07 PM
no, they dontthats wat i meant i wouldnt be able to line it up if it was outa line with the key just wondering if the cranks vary with 308s as in differnt sizes where the ballencer goes on
#14
_bronjak_
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Posted 07 October 2006 - 02:06 AM
ballencers on the oil and mallet workd a treat cheers everyone for the help
#15
turbotrana
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Posted 08 October 2006 - 08:50 PM
In the instructions for my B&M balancer bought 10 years ago it said to boil the balancer in water to expand the hub before installing. Otherwise I would never get it on. I did it too slowly once and had to take off and redo per the instruction. A bolt to pull it on helps also.
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