ZZ LO02R9506

Install of O02R9506 - 2 man crew. Diagnose existing air operator failure and site requirements to make recommendations for repairs. Match appropriate products for replacement. Shut off air supply and blend lines/cylinders of residual pressure. Disconnect components and clean/prep existing air operator system exterior surfaces. Remove air operator rom door and lay on elevated work surface. Dismantle and remove air operator mounting brackets and retaining rods/nuts. Separate top and bottom caps from cylinders and remove piston body and rods. Remove and discard existing damaged U-Cup seals and O-Rings. Degrease and scrub interior and exterior of all air operator components and check for wear/damages. Rinse and dry components thoroughly. Lubricate and install new U-cups and O-rings. onto piston body and top/bottom caps. Lightly oil piston bodies and interior of cylinder walls. Insert piston bodies with rods back into cylinders. Install top/bottom caps. Install mounting brackets and retaining rods/nuts. Adjust cylinders to desired location for mounting and fasten retaining rods/nuts to ensure unit together. Prep/clean installations mounting area and confirm proper mounting. Mount and bolt rebuilt air operator cylinders and mounting brackets in appropriate, pre-determined location. Assembly drive chain components and adjust as required for final fit. Make all necessary connections and fasten components. Reconnect existing air lines to the new fittings. Resupply air to system for safe operation of door system.