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How to retract the hydraulic rod of a down-the-hole drill

How to retract the hydraulic rod of a down-the-hole drill

The first step is to ensure that the hydraulic system is shut down and the pressure is relieved. Then, the cylinder should be disconnected from the hydraulic system and the cylinder head should be removed. Once the cylinder head has been removed, the piston rod can be manually retracted by hand. [pdf]

Fuyang Air Leg Rock Drill Manufacturer Address

Fuyang Air Leg Rock Drill Manufacturer Address

For many years, we have been devoted to developing and manufacturing various pneumatic tools suitable for tunneling in mines, roads or tunnels, as well as drilling holes in engineering and the second-broken process in excavating fields.. For many years, we have been devoted to developing and manufacturing various pneumatic tools suitable for tunneling in mines, roads or tunnels, as well as drilling holes in engineering and the second-broken process in excavating fields.. The products and services offered by Fuzhou Chenglong Rock Drill Co Ltd are YT24 Air-leg Rock Drill, Ye12 Hand-Held Rock Drill, YO18 Air-leg Rock Drill, Y20ly Hand-Held And Air-Leg Rock Drill, etc.. Fuzhou dig sword land machine co.,ltd - manufacturer of air leg, air leg rock drill-y20ly and air leg rock drill-yo18 from fuzhou, fujian, china. explore product range of fuzhou dig sword land machine co.,ltd at best prices.. The rock drill of YT23 is a kind of high efficiency air leg rock drill machinery. it is mainly used for blasting holes and other drilling works in a quarries, railway construction, water conservancy construction and defence project facility.. Korean based manufacturer of rock drilling tools, such as SHANK,ROD,SLEEVE,bit etc. Also we have been qualified by lots of buyers from worldwide since our establishment from 1992. [pdf]

The rock drill air duct cracked

The rock drill air duct cracked

The following steps outline solutions for common problems encountered with rock drills. 1. Check side rod nuts to ensure they are tight on the tool. 2. Flush cleaning solvent through the tool and then refill immediately with air tool oil or 10W equivalent. 3. Disassemble and inspect ratchet pawls. [pdf]

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