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post #1 of 5 (permalink) Old 08-26-2010, 09:32 AM Thread Starter
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Default Locking knob lost

Hi - I'm a newbie as you will surely guess from my questions...

I inherited some tools including a router from my Dad, but no manual. It is a Craftsman 315.174771 fixed base model. According to the parts list on the Sears site there should be a locking knob which I believe locks the bit depth after adjustment. Sears no longer carries this part.

When I tried to use the router I found that the bit (and the housing) move vetically about 1/8 to 1/4 inch quite freely unless I apply some downward pressure as I operate it.

So my questions are:
1. Is the bit supposed to move up and down relative to the base when you press down/lift up the router?
2. Is the locking knob essential?
3. If so, can I simply use a nut, bolt and perhaps a spacer through the flanges in place of the knob?

Thanks for any advice...

Dan
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post #2 of 5 (permalink) Old 08-26-2010, 09:37 AM
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Hi Dan

1. = No
2. = Yes
3. = Yes

======

Quote:
Originally Posted by d. aubin View Post
Hi - I'm a newbie as you will surely guess from my questions...

I inherited some tools including a router from my Dad, but no manual. It is a Craftsman 315.174771 fixed base model. According to the parts list on the Sears site there should be a locking knob which I believe locks the bit depth after adjustment. Sears no longer carries this part.

When I tried to use the router I found that the bit (and the housing) move vetically about 1/8 to 1/4 inch quite freely unless I apply some downward pressure as I operate it.

So my questions are:
1. Is the bit supposed to move up and down relative to the base when you press down/lift up the router?
2. Is the locking knob essential?
3. If so, can I simply use a nut, bolt and perhaps a spacer through the flanges in place of the knob?

Thanks for any advice...

Dan



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post #3 of 5 (permalink) Old 08-26-2010, 10:31 AM
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Default

Quote:
Originally Posted by d. aubin View Post
Hi - I'm a newbie as you will surely guess from my questions...

I inherited some tools including a router from my Dad, but no manual. It is a Craftsman 315.174771 fixed base model. According to the parts list on the Sears site there should be a locking knob which I believe locks the bit depth after adjustment. Sears no longer carries this part.

When I tried to use the router I found that the bit (and the housing) move vetically about 1/8 to 1/4 inch quite freely unless I apply some downward pressure as I operate it.

So my questions are:
1. Is the bit supposed to move up and down relative to the base when you press down/lift up the router?
2. Is the locking knob essential?
3. If so, can I simply use a nut, bolt and perhaps a spacer through the flanges in place of the knob?

Thanks for any advice...

Dan
Hi Dan, Welcome to the forum.
Looks like you just need a square head bolt, small spacer and knob. Knob may be a bit difficult as it is a long one to allow hand clearance around the base but just use another spacer between the knob and the clamp. Most any fair sized hardware store should be able to fix you up.

John Schaben

The problem with experience is I usually get it immediately after I need it.
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post #4 of 5 (permalink) Old 08-26-2010, 12:33 PM Thread Starter
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Thanks Bob and John. Now I can get going. I think I'll practice on some scrap when I get the locking knob problem solved.

Dan
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post #5 of 5 (permalink) Old 08-26-2010, 02:09 PM
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Hi

It's hard to find any sq.head bolts now days but you can buy sq, nuts that you can braze on a standard bolt or some all threaded rod, the knob you can your own like below with a long sex nut (stand off ) or wing nut..

======



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