23/28kW Wire-box Cover Fastening Technique
Contents
1. CHNT POWER Chint Power Systems America 7060 Koll Center Parkway Suite 318 Pleasanton CA 94566 Chint Power Systems Customers February 10 2015 CPS Inverter Users SERVICE BULLETIN CPS 23 28kW Wire box Cover Fastening Technique This bulletin is to highlight an important topic in the CPS product user manual The manual mentions the proper 3mm Hex screwdriver tool but does not address the fastening technique FIELD OBSERVATION We have observed a few applications where installers damaged the wire box cover and related fastener hardware The problem arises when users use power tools instead of hand tools and if the cover positioning is misaligned when the user attempts to tighten the bolts cross threading can occur and possibly damage the hardware INSTRUCTIONAL VIDEO We posted on our website www chintpowersystems com under the Service menu a how to video showing the best technique for installing the wire box cover HELPFUL ADVICE It is important to use a hand tool e g Hex key Allen key socket or T handle 3mm and not power drivers or other types of screw drivers Also it is important to hold the cover in alignment with balanced force across the cover not weighted toward any edge for screw to Pem nut alignment Partially engage all four screws to Pem nuts a few rotations before tightening any one screw This is important to maintain alignment and avoid thread damage This bulletin is intended to help users2. have a smooth and successful inverter life experience As always please call our HOTLINE 855 584 7168 or contact your local sales or service manager for assistance Sincerely CI Key Ed Heacox GM Americas Sales and Marketing 925 570 1463 CHINT POWER SYSTEMS AMERICA CO 7060 Koll Center Parkway Suite 318 Pleasanton CA 94566
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