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Joined: Dec 2006
Posts: 24
Grease Monkey
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Grease Monkey
Joined: Dec 2006
Posts: 24 |
Hi all - Working on a '33 commercial engine. How do I get the crank pulley back on? No problem getting it off, I used the two threaded holes in the pulley and a puller. I was expecting a threaded hole in the end of the crank but NO, not there. What now? Thanks, Ed.
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Joined: Jan 2002
Posts: 30,701 Likes: 141
ChatMaster - 25,000
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ChatMaster - 25,000
Joined: Jan 2002
Posts: 30,701 Likes: 141 |
A big hammer and a piece of wood. Its driven on. Don't pound on the outer rim. All Chevrolet balancer were "installed" that way. 6 and 8 Cyl., right up through the '70's.
Gene Schneider
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Joined: Dec 2006
Posts: 24
Grease Monkey
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OP
Grease Monkey
Joined: Dec 2006
Posts: 24 |
Chevgene - Thanks, I have just the right size hammer for that job. Ed.
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Joined: Nov 2001
Posts: 19,758 Likes: 64
ChatMaster - 15,000
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ChatMaster - 15,000
Joined: Nov 2001
Posts: 19,758 Likes: 64 |
Make sure to install bolts in the holes to support the balancer ring. If you pound on the balancer assembly you can loosen the back piece rendering it junk.
How Sweet the roar of a Chevy four!
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Joined: Dec 2001
Posts: 1,919
ChatMaster - 1,500
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ChatMaster - 1,500
Joined: Dec 2001
Posts: 1,919 |
Chip, after thinking about this, your saying to install bolts tight in the holes so that you now have an assembly which is held together by the bolts. But don't bottom out the bolts. Is that right?
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Joined: Nov 2001
Posts: 19,758 Likes: 64
ChatMaster - 15,000
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ChatMaster - 15,000
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Bruce,
Good point. The bolts should only go to the back of the balancer. Any longer then they dent the timing cover and can cause the crank gear to rub on the cover. Been there done that. Took a while to figure out what that noise was. Sure was embarrassing when I discovered by goof. Also messed up a balancer so know that the bolts are important too!
How Sweet the roar of a Chevy four!
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Joined: Sep 2006
Posts: 36
Shade Tree Mechanic
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Shade Tree Mechanic
Joined: Sep 2006
Posts: 36 |
I have a follow-up question - How do you tell if a damper is in working order?
Mine had a fair amount of gunk and rust between the pulley and the thicker heavy metal part. I soaked it a few days with penatrating oil and cleaned it up as best I could but am not sure if some critical internal parts are still rusted together or not.
Thanks
MRC
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Joined: Nov 2001
Posts: 19,758 Likes: 64
ChatMaster - 15,000
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ChatMaster - 15,000
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As long as the pulley and metal plate will move slightly versus each other and the two parts are not too loose it should be ok.
How Sweet the roar of a Chevy four!
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Joined: Jan 2002
Posts: 30,701 Likes: 141
ChatMaster - 25,000
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ChatMaster - 25,000
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Posts: 30,701 Likes: 141 |
There is no positive way to tell if the balancer is "working"...The 1933-34 Standard did not even have a balancer and I would bet that no one ever noticed the difference. In the later years, the early '60's, the balancer was eleminated from some 283 engines and it went unnoticed.
The balancer only cancels out some of the "harmonics" in the power impulses and does not balance the engine. Actaully the correct name for it was a harmonic dampner.
Gene Schneider
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