Correct method of wiring two screw air compressors

To connect two compressors in parallel, follow these steps: Make sure both compressors have the same voltage and phase. Install a check valve on each compressor’s discharge line to prevent backflow. Install a tee fitting on each compressor’s discharge line. Connect the two tee fittings with a pipe.. To connect two compressors in parallel, follow these steps: Make sure both compressors have the same voltage and phase. Install a check valve on each compressor’s discharge line to prevent backflow. Install a tee fitting on each compressor’s discharge line. Connect the two tee fittings with a pipe.. The Short Answer: The basic process involves setting up a single pressure switch system linking both compressors, using a check valve to prevent air backflow, and using suitable hoses or pipes. [pdf]

How to install the safety warning sign of down-the-hole drilling rig

This Best Practice provides guidance for improving safety when working around drilled holes on distribution and transmission projects. Operating Units have the responsibility to put in place those measures tha. [pdf]

How to install the oil nozzle of a down-the-hole drill

You need to remove the "T" or "L" connector from the top of the nozzles bulkhead assy. Press down on the bulkhead's collet, while pulling on the "T" connector to safely remove. Then remove the top nut off the bulk head. Now take your nozzle and insert it up and through the hole in the cage corner. [pdf]