quikee jett  
View related threads: (in this forum | in all forums)

Tower Hobbies
Enter up to 4 keywords or Tower stock numbers
Logged in as Guest



Users viewing this topic: none
  Printable Version
       

All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> Engine Manufacturers Direct Support Forum >> Jett Engineering Support >> quikee jett
Page: [1]

Login
Message << Older Topic   Newer Topic >>
quikee jett - 8/11/2003 7:19:59 AM   
sean mercer


 

Posts: 98
Joined: 2/2/2002
From: toledo, OH, USA
Status: offline 		Hi,
I bought a used q-jett here on rcu and the bearings are seeld. Is this normal for the q-jett as my sj 40's have the bearings totaly open? Also,when I tighten up the prop the crankshaft won't turn anymore. Help! sean

_____________________________

Low and fast is a blast!
       Post #: 1

quikee jett - 8/11/2003 5:41:58 PM   
bob27s



Posts: 4833
Joined: 4/9/2002
From: Cleveland, OH, USA
Status: online 		Hi Sean.....

Thanks for writing.

The rear bearing is never sealed. The front bearings are usually not sealed, especially on the Q-500 engines...front bearing lubrication is critical. Although Dub has provided sealed front bearings on special requests, on a few sport engines.

Sounds like the bearings had been replace along the way. If they are not the correct size, when you tighten down on the crank shaft, you may excessively preload the bearings preventing them from turning.

Considering it will not turn with the prop and drive washer installed, something may have been misaligned along the way too. It would be worth while shipping the engine back to Dub for inspection and a new set of bearings. Address is on the web site [url]www.jettengineering.com[/url]

Bob Brassell

(in reply to sean mercer)
       Post #: 2

quikee jett - 8/12/2003 5:29:14 AM   
sean mercer


 

Posts: 98
Joined: 2/2/2002
From: toledo, OH, USA
Status: offline 		Bob,
I put the case in the oven and popped the bearings out. WOW! The rear bearing was froze solid from rust and it was sealed. Lucky I have bearing sets laying around for my SJ 40'S. Thanks for the help. sean

_____________________________

Low and fast is a blast!

(in reply to sean mercer)
       Post #: 3

quikee jett - 8/12/2003 5:21:06 PM   
bob27s



Posts: 4833
Joined: 4/9/2002
From: Cleveland, OH, USA
Status: online 		Wow......... glad you checked.

Bearing change is easy enough.

Let me know how you make out

Bob

(in reply to sean mercer)
       Post #: 4

Page:   [1]
All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> Engine Manufacturers Direct Support Forum >> Jett Engineering Support >> quikee jett
Page: [1]





Jump to:


Google 



Search | Marketplace | Event Calendar | Local Clubs | Magazine | Product Ratings | New Products | Discussion Forums

Photo Gallery | Member Video Posts | RCU Video Gallery | Instructor Search | Field|Track|Marina Search

Advertisers | Hobby Vendor Resources | Rate Manufacturers | Sign In/Sign Up

SITE MAP!   : :   FORUM RULES

© 2001 - 2007 24-7 RC, LLC, all rights reserved.

Charities we support that also need your help
Yorkie Rescue | Humane Society | ASPCA | Crohn's-Colitis America

Kaango.com Classifieds

0.516RCU1