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Teardown of the Scott Bonnar 45 rear roller (or drum) is optional but always recommended when undertaking a complete rebuild. In today's video, Shane Kosteszyn from Moteck Machining and Cylinder Mowers demonstrates his approach using heat.
The three screws holding the ratchet box in place are firstly removed before lifting out the ratchet box itself.
Of course this is usually easier said than done! If you're successful removing all three screws, the ratchet box is often either rusted in place within the drum or stuck tight.
Soaking in some penetrating oil will help start things along but using the thermal properties of the assembly will make quick work of the job.
A bit of heat applied to the outside of the drum results in expansion of drum itself--enough to allow you to then lift out the ratchet box. As you can see, it doesn't take much but a slide hammer helps things along if required.
Don't have a torch? The ratchet box can usually be persuaded out from behind using a long tool through the holes at the opposite end of the drum to knock it forward.
🌐 Check out Moteck Machining and Cylinder Mowers
moteck.com.au/shop/products/s...
⚠️ Your safety is your responsibility. Don't forget to disconnect your spark plug before starting work on your machine and always read and follow the instructions/labels on your equipment, tools and chemicals. ⚠️
#ScottBonnar #Roller #Teardown
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Additional Resources
🌐 Scott Bonnar Restorations FB Group
/ 1801521490103765
🌐 Scott Bonnar - Buy, Sell, Swap Australia FB marketplace
/ 1207116562722291
🌐 Scott Bonnar Addicts FB Group
/ 791569104336316
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About me and this channel: I'm Michael, a homeowner and aspiring lawn addict. I make these videos to share as much as I can, as best I can, from my recent experience rebuilding two Scott Bonnar 45 mowers. Although I'm a passionate wood worker and ex-IT guy, I have zero mechanical training. I'm no expert on these subjects but I learn by sharing and it encourages me to grow a better lawn and build a better mower if I know you're watching!
© 2022 Michael Hanes. All rights reserved.