A comment
I am engaged in repairs, and as an improvised “percussion” instrument, I bought the Izhmash IP-1200 DFR rotary hammer. After a week of using it, I began to notice that after insignificant loads, the chuck for drills ceased to fulfill its function, the drills ceased to hold in it at all (I had to seal the chuck with rubber inserts). And about a month later, when working at high speeds, the punch reducer began to make terrible sounds, like a rattle of breaking metal.
I wanted to disassemble the punch and see what was the matter, but I remembered that he was still under warranty. I carried it to the store, showed everything and told the consultants, it turned out that I had come across a defective model. I took the same model of a punch, but only a new one, I’ve been working with it for more than a year, the punch works like a clock, I’m very happy with everything!
pros
It does not heat up, it works quite quietly.
Minuses
I got a defective sample.
