Question about Rotary Hammering
These are not too hard to repair. I fixed a big HILTI TE 74 SDS type one by going to a German website and buying parts. There is a carbon composite connecting rod that breaks right up the middle due to all the shock loads. The oil in there really gets gritty and black too so it should be changed about every week when possible. Everything comes out the barrel end if you have long internal clip remover pliers and a big vice to use. The hard part is getting the ball bearing out which is squeezed into the aluminum barrel about five inches back. Search for conrod and your model of hammer.
Posted on Mar 26, 2011
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Posted on Jan 02, 2017
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