I would try here:
http://userguides.50webs.com/
An electric blower with the parts breakdown at:
When fixing things it is important to have the repair manual. A repair manual for a Craftsman 358791580 can be found in Craftsman forums online and in the stores that sell Craftsman products.
There are a few places you can find the Craftsman 17 25cc weed whacker manual online. You can also directly request the manual from the Craftsman company.
Go to www.managemyhome.com and enter your model number. They have manuals for most Sears products.
Google the name and number on the internet. Most Craftsman tools have manuals online.
Online. See the link for help.
craftsman edger 536.797521 user manual
A manual for the Craftsman lawnmower model 944.607853 can be ordered from the Craftsman company. Another option is to contact the store where the lawnmower was purchased and have them order a manual.
I found this web site on a different question, haven't checked it out but it said you could get any small engine manual there http://userguides.50webs.com/
Many snow blower websites offer their online manuals if you know the model. So if you want to repair your snow blower manually, make sure to check the company and model number so you are able to find the corresponding manual online.
The serial # will usually give you the year.
Try the Craftsman web site.
Try this site http://userguides.50webs.com/ I get many manuals from stuff I buy online fro them. They carry many " hard to find manuals"