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#104 - 20551 Langley Bypass, Langley, BC V3A 3E8
Tel: (604) 532-6000 - Fax: (604) 532-6001
Email: mrchips [at] northlandchippers [dot] com
North Vancouver
1538 Bay Street, North Vancouver, BC V7J 1A1
Tel: 604.971.1648 Web: www.radiusindustrial.ca
Email: info [at] radiusindustrial [dot] ca
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Ask Mr Chips > Stump Grinders

Here is where Mr Chips answers various questions, which may
be of interest to you. If you have a question for Mr Chips, click here.

How do I get the most out of my stump grinder, do you have any tips?

Mr Chips: try these tips

  1. Mr Chips likes smart pockets and premium teeth for maximum performance and the least cost.
    <--- Smart pockets
  2. When you change pockets, be sure that you balance them.
  3. About every 3 months, bring your stump grinder in for a service, checkup and tuning. Northland Chipper Sales Ltd. services most makes of stump grinders. Contact us for details.

 

I am looking for a used stump grinder, but I am having trouble locating one. What can I do?

Mr Chips: used stump grinders are hard to find. Most people love their machines and hang on to them. We have a waiting list of buyers who we notify when used stump grinders come on the market.

Currently the exchange rate has made the prices for new machines more attractive for a new stump grinder. Check out the Bandit models on our web site.

It is important to think about how much you might be saving when you buy a used stump grinder. You could save maybe 3-4K Cdn $ on a handlebar machine. But a used stump grinder has no warranty, as opposed to a new one.

Also consider the costs of lost opportunities. The months you spend waiting for a used stump grinder would more than outweigh the savings you are trying for.

Rather than the cost of the machine, think about how much you will be earning. The business of stump grinding can be very lucrative, so the sooner you get a stump grinder and get busy, the more money you will make.

Contact us to order your new stump grinder.

 

Has anyone developed something to control the danger of flying debris, especially rocks?

Mr Chips: As always, the first thing is a wise operator that knows his machine and can recognize the potential danger. The next is to work in such a way to minimize that danger. The third is protection.

I suggest that you get a couple of sheets of 3/8" to 1/2" plywood, cut them in half so you have 4 pieces 4' by 4' then put hinges in the middle so that you are back to 2 sheets of plywood with a hinge in the middle. These can be placed relatively close to the cutter to contain the debris or they can be placed to protect something vulnerable. I suggest that you professionally paint your name and phone no. on these screens so passers by and neighbors can contact you.

If it is windy where you work you may have to make some provision to anchor the screens.

Finally, maintain a clean safe work site. If you keep the chips cleared away from under the machine, the chips themselves can help form a barrier.

 

I recently changed the engine on my stump grinder, with one that runs faster than the old one. Now it keeps breaking teeth. What can I do?

Mr Chips: the increased speed is likely the cause of the problem as you described. Mr Chips recommends you change the pulleys to compensate for the difference in speed. The dealer who sold you the engine can probably supply you with replacement pulleys, and install them if needed.

If you still get more than the usual number of broken teeth, Mr Chips would also suggest you check with your supplier in case there is a problem with the teeth. If that is the case, you should expect to get the defective teeth replaced at no charge.

 

Can you sharpen stumper teeth? and how many times?

Mr Chips: Yes you should be able to to sharpen stumper teeth. You will need a reasonably powerful bench grinder say 1/2 hp or more. Machine shop supply stores sell a diamond wheel that is FAR superior to the green wheel. There is drastically less dust generated when sharpening and the teeth sharpen much faster and cleaner. Even though the wheel costs about $250, it will last a lifetime

As always care must be taken to work safely and please read and obey the safety instructions that come with your tools.

Your judgment will soon tell you how many times but I expect it will be once.
<--- Smart pockets

You may want to consider switching to "smart pockets" or even "standard stump grinder pockets" and standard 1/2" teeth if tooth cost is hurting. Sometimes there is a cost saving benefit to be had by using the less expensive combination. That is, to ware out the carbide on a much less expensive tooth. There should be no reduction in performance because the carbide tip is the same.

Good luck.


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