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ranked #27,740 most helpful
out of 571,544,897 reviews
★★★★☆
Frustrating but well worth it
I had a lot of frustrating little problems when I first got the saw but now that it's worked out it well worth it.
This is actually my second 4100. The first one was damaged when the box came open during shipment and the table top was scratched up by parts of the cart legs. It didn't help that the way it was packed the only thing separating the table top and the cart legs was a thin pieice of styrofoam with a cut out in the middle.
Anyway I received the second saw undamaged. There were some fit and finish issues. The table top had what looked like black fingerprint marks. I tried getting it off but couldn't...oh well...no big deal it's cosmetic. The second problem was not so trivial. The riving knife assembly was loose and not square to the table or lined up to the blade. There were no instructions in the manual on how to align it. I emailed Bosch customer service but it took them awhile to respond (5 days). In the interim, I figured it out myself. There's two allen bolts that adjust the riving knife from side to side and a screw with a locknut that adjust the angle. After that the saw ran fine and the new guard system worked as advertised...modular and very easy to use.
The saw was running fine for about a week when I ran into my third problem. As expected the blade supplied with the saw dulled out pretty quickly. I replaced with the Freud LU83R010 10-Inch 50-Tooth Thin Kerf Combination Blade that I bought just for the occasion. I tried a few crosscuts and the new blade cut like butter. I decided to rip a 24 inch piece of 3/4" plywood. To my horror the wood binded between the riving knife and the fence as it went past the back of the blade. I checked the alignment and tried again...same thing the wood binds as it goes pas the back of the blade. Tried my Irwin Marathon 80T blade and same thing. It turned out that the Freud LU83R010 and the Irwin 80T has a 0.092" kerf while the riving knife is 0.091" wide. Talked to Bosch customer service and they confirmed that is a problem. Their suggestion was to try a blade with the wider kerf. I tried the Bosch PRO1050COMB with a 0.128" kerf and a Bosch CB1040 with a 0.098" kerf and they work fine. So beware when using thin kerf blade with this new riving knife/guard system.
September 2007 · Tools and Home Improvement