1. What's the principle of hydraulic breaker? The piston is moved by the high and low pressure of the hydraulic oil to hit chisel then the chisel hits the
stone for crushing work.
2. What's wear part of hydraulic breaker? Chisel, seal kits、front cover、ring bush、rod pin、front cover pin、stop pin、through bolt
3. What's material of chisel?How many types of chisels? How much hardness of chisel? "40crmo, 42crmo and 45CrNi4MoA
4 types: Moil, Conical, H-wedge, V-wedge, Blunt" 5. Why Ray hydraulic breaker quality is better than others?
Because we have no additional clauses for the warranty of each accessory
5. Do you have warranty? Yes. RAY hydraulic breaker has
12 months warranty. Warranty starts from the time you receive the machines, not include production and shipping time. Exceed
warranty, all parts are offered at cost prices.
6. How to choose the suitable model?"1.Choose model according to excavator model(Excavator weight) 2.Choose model according to client's country or decided by client
himself"
7.What's the funtion of front coverand ring bush?
The function of front cover is keep the drill rod fixed. The fuction of ring bush is to guarantee up and down movement of piston.
8. Do you have after-sale service? Yes.
After order, we will start production quickly and keep updated.
After shipment, we will track the shipping and keep updated.
After you receive machines, we will instruct the usages and maintenance.
During usage, if any problems, we will offer timely and complete solutions.
We offer servicing for the whole lifetime of machines, no worry for personal use or resell.
