Need help w/Sears "BrushWacker" [51.7cc] clearing saw!!!


Old 11-06-06, 01:56 PM
Thread Starter
Join Date: Oct 2006
Posts: 18
Need help w/Sears "BrushWacker" [51.7cc] clearing saw!!!

I inherited, two years ago, a seldom-used Sears "BrushWacker" [51.7cc] clearing saw (Sears model: 636.796243).

I've, since, found out that this unit was manufactured by Robin and has a Fuji engine (Robin model: NB50L).

Sears and Robin do not have the owner's manual that I need.
Ebay and its' vendors have been searched for these past two years with no results.

It's one powerful "screamer" and I plan on getting it running, properly, for this next season.

Is there anyone in this forum that can help me locate an owner's manual for this "beast" ???

Many thanks!
Sponsored Links
Old 11-06-06, 04:56 PM
AxlMyk's Avatar
Banned. Rule And/Or Policy Violation
Join Date: Dec 2005
Location: Earth
Posts: 889
Here's a forum link that sounds like you, or someone else with the same problem..
Old 11-07-06, 03:08 AM
puey61's Avatar
Join Date: Apr 2004
Location: Upstate New York
Posts: 3,224
If you have a Robin servicing dealer in your area, I'd check with them for what you need.
Old 11-08-06, 09:12 AM
Thread Starter
Join Date: Oct 2006
Posts: 18
Thanks AxlMyk for your link suggestion. I believe that already "know that guy". So, no new help there.

Puey61...I've checked with Sears and with a nearby Robin dealer. Both tell me that their manual is out of stock (and won't be reprinted).

Therefore, I'm hoping, with the help of this popular forum, to run across an individual owner of this same model clearing saw/brushcutter/trimmer and/or someone who sells manuals.

Any suggestions ???
Old 11-08-06, 02:07 PM
Visiting Guest
Posts: n/a
Did you try
They do have the illustrated parts lists including all options. They also give part #'s for the manual even though its out of print and not available through sears, the #'s may help in finding one.

With the parts list available I am not really sure of what more info the owners manual may be in restoring this unit to service.

I have worked on one myself albeit a few years ago, it was a monster but still just a small air cooled 2 stroke.

Just what is it you feel you need and will find in the owners manual?
Old 11-09-06, 09:02 AM
Thread Starter
Join Date: Oct 2006
Posts: 18
Hi Az:

I'm aware of and have used the Sears site to order some (over-priced) parts for this equipment.

For a clearing saw/brushcutter/trimmer, I believe that the 51.7cc engine qualifies on the "large size" end of this type of equipment. There are many uncommon parts (at least to me), such as its' Fuji engine and a TK carburetor. It's, also, unique in being a Robin, made in the UK, unit and of "commercial grade".
I plan on keeping this equipment and maintaining it as the manufacturer intended.

Azis, at this point, your tag line says it all..."Real men read the instructions". Therefore, I believe that, having the owner's manual would be really useful.
Old 11-09-06, 04:35 PM
Visiting Guest
Posts: n/a
It is built more like a motorcycle engine than outdoor power equipment.
My opinion of "Owners Manual" as far as instructions is fairly low. Most do include some pertinent info on specific operations as they would apply to the specific tool. I doubt you would find any specs or maintenance info other than plug type oil type/mix...etc.
There may be some info on the optional attatchements which would sure be handy.
Mainly tho, do not let the fact that an owners or operators manual can not be found, lead you to think that general maintenance and common sense practice will not keep your machine running in top notch form.
Old 04-24-07, 05:58 AM
Banned. Rule And/Or Policy Violation
Join Date: Apr 2007
Posts: 1
owners manuel

hay bud heres the link could you send me any info you have gathered on this machine? Also im looking for blade attachments , mine came from a pawn shop and i only have the weed wacker. So if you know where i can get some attachments

They might even have parts for ya?

Last edited by cheese; 04-24-07 at 08:52 PM.
Old 05-12-08, 10:45 PM
Join Date: Jun 2006
Posts: 9
Craftsman 51.7 Brushwacker

I bought my mod.# 636.796243 in 1992. Have the owners manual. How could I help you out? I had a little prob. with the fuel circuit otherwize it is a good machine.

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Thread Tools
Search this Thread
Display Modes