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rzepko6194 Samba Member
Joined: January 30, 2005 Posts: 829
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Posted: Tue Aug 27, 2019 3:21 pm Post subject: WW 36hp stroker crank timing gear installation |
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I’m trying to install the timing gear on a new WW 36hp stroker crank but it gets stuck during installation. I heated the gear in oil and then tried to tap it on with a pipe and small hammer. The gear goes down about a 3/4” on the crank and doesn’t seem to go any further. I’m thinking that this portion of the crank is dimensionally out of spec but I don’t have an original crank to use as a reference.
I called WW and they said that this is the first time they’re hearing about this issue. Has anyone else experienced this? Should I just bring it to a machine shop to get it pressed on?
Thanks ! |
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txoval Samba Member
Joined: January 23, 2004 Posts: 3552 Location: The Woodlands, TX
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Posted: Tue Aug 27, 2019 4:50 pm Post subject: Re: WW 36hp stroker crank timing gear installation |
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You need to get the gear hotter. I’ve never heated it in oil and don’t see how you can get it hot enough doing so. The oil would be smoking.
Use a propane torch or 350 degrees in oven for 30 minutes
When hot enough, it will slide right on |
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rzepko6194 Samba Member
Joined: January 30, 2005 Posts: 829
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Posted: Tue Aug 27, 2019 5:45 pm Post subject: Re: WW 36hp stroker crank timing gear installation |
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txoval wrote: |
You need to get the gear hotter. I’ve never heated it in oil and don’t see how you can get it hot enough doing so. The oil would be smoking.
Use a propane torch or 350 degrees in oven for 30 minutes
When hot enough, it will slide right on |
Thanks txoval, I’ll give it a shot. |
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txoval Samba Member
Joined: January 23, 2004 Posts: 3552 Location: The Woodlands, TX
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Posted: Tue Aug 27, 2019 7:22 pm Post subject: Re: WW 36hp stroker crank timing gear installation |
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Clean real good if using the kitchen oven...don’t want you to get yelled at |
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rzepko6194 Samba Member
Joined: January 30, 2005 Posts: 829
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Posted: Tue Aug 27, 2019 7:25 pm Post subject: Re: WW 36hp stroker crank timing gear installation |
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txoval wrote: |
Clean real good if using the kitchen oven...don’t want you to get yelled at |
The wife’s traveling for the next few days, so I’ll have time for any potential cleanup. |
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txoval Samba Member
Joined: January 23, 2004 Posts: 3552 Location: The Woodlands, TX
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Posted: Tue Aug 27, 2019 8:24 pm Post subject: Re: WW 36hp stroker crank timing gear installation |
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Bring the crank into kitchen then...less heat loss the better |
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rzepko6194 Samba Member
Joined: January 30, 2005 Posts: 829
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Posted: Tue Aug 27, 2019 8:42 pm Post subject: Re: WW 36hp stroker crank timing gear installation |
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txoval wrote: |
Bring the crank into kitchen then...less heat loss the better |
Yep, that’s definitely in the plan. I have the flywheel attached to act as a base. |
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motofly196 Samba Member
Joined: June 01, 2008 Posts: 1467 Location: Eastern WA
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Posted: Tue Aug 27, 2019 9:29 pm Post subject: Re: WW 36hp stroker crank timing gear installation |
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I have a small electric burner (single) in the shop, but you could do it on an electric stove too. I put a small drop of oil on the gear, when the oil starts smoking...it's hot enough. Grab it quickly, it will just slide on like butter. Some gears are stubborn, so I have a socket and hammer at the ready to drive it home if it doesn't bottom out. |
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rzepko6194 Samba Member
Joined: January 30, 2005 Posts: 829
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Posted: Wed Aug 28, 2019 6:29 am Post subject: Re: WW 36hp stroker crank timing gear installation |
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Thanks motofly196. |
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rzepko6194 Samba Member
Joined: January 30, 2005 Posts: 829
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Posted: Wed Aug 28, 2019 12:41 pm Post subject: Re: WW 36hp stroker crank timing gear installation |
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With the proper amount of heat and a drop of oil to tell me it “was ready”, the Timing gear dropped into place with just one tap to fully seat. Thanks guys! |
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motofly196 Samba Member
Joined: June 01, 2008 Posts: 1467 Location: Eastern WA
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Posted: Wed Aug 28, 2019 1:52 pm Post subject: Re: WW 36hp stroker crank timing gear installation |
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Awesome!! Glad that worked for you! |
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txoval Samba Member
Joined: January 23, 2004 Posts: 3552 Location: The Woodlands, TX
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Posted: Wed Aug 28, 2019 3:38 pm Post subject: Re: WW 36hp stroker crank timing gear installation |
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That great, the right amount of heat is critical. Good luck with the rest of the build |
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earthquake Samba Member
Joined: January 10, 2008 Posts: 3984 Location: SANDY VALLEY, NEVADA
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Posted: Mon Sep 02, 2019 1:21 pm Post subject: Re: WW 36hp stroker crank timing gear installation |
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I use a hot plate and a 6" disk of 1/2" aluminum plate, I put the disk on the hot plate and heat it for a few minutes and then heat the gears and they just drop on.
Casey _________________ 74 CLASS 11 LOOK-A-LIKE
69 DUNE BUGGY
79 INTERNATIONAL SCOUT II
05 SCION XB SERIES RELEASE 2[#437]
95 Chevy C3500 dually
98 Ford E150
Link to Kelly J. Nolte 3/20/53 - 11/6/08
https://time-zonelabs.blogspot.com/p/about-kelly.html
DEATH TO CHINGERS!
[From a military recruitment poster in the novel "The Stainless Steel Rat" By Harry Harrison] |
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Zwitterkafer Samba Member
Joined: November 17, 2007 Posts: 879 Location: Lanark County, Ontario, Canada
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Posted: Tue Sep 10, 2019 3:10 pm Post subject: Re: WW 36hp stroker crank timing gear installation |
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Two other methods to heat the gear: Top of woodstove, or on a metal pan placed in a gas BBQ. Both worked perfectly for me, with the gear going all the way home first try.
Have the crank ready and stable close by; mounted to a flywheel with crank nose up works well. Rehearse the quick maneuver with the gear, and make sure the key is level and completely seated in the keyway. Safety: Wear thick gloves and do not leave the heat source unattended. _________________ "Criticism comes easier than Craftsmanship"
- Zeuxius, 400 BC |
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