3 - 32 S-40 • S-45 Part No. 102521October 2013Section 3 • Scheduled Maintenance ProceduresCHECKLIST B PROCEDURES2 Check for proper venting.Note: When checking for positive fuel tank capventing, air should pass freely through the cap.Result: Air should pass through the fuel tankcap. Proceed to step 4.Result: Air is not passing through the fuel tankcap. Clean or replace the cap.Proceed to step 3.3 Using a mild solvent, carefully wash the capventing system. Dry using low pressurecompressed air. Repeat this procedurebeginning with step 2.4 Install the fuel tank cap onto the fuel tank.All models:5 Remove the breather cap from the hydraulictank.6 Check for proper venting.Result: Air should pass through the breathercap. Proceed to step 8.Result: If air does not pass through the breathercap, clean or replace the cap.Proceed to step 7.Note: When checking for positive tank cap venting,air should pass freely through the cap.7 Using a mild solvent, carefully wash the capventing system. Dry using low pressurecompressed air. Repeat this procedurebeginning with step 6.8 Install the breather cap onto the hydraulic tank.B-22Inspect the Fuel and HydraulicTank Cap Venting SystemsGenie specifications require that this procedure beperformed quarterly or every 250 hours, whichevercomes first. Perform this procedure more often ifdusty conditions exist.A free-breathing fuel and hydraulic tank cap isessential for good machine performance andservice life. A dirty or clogged cap may cause themachine to perform poorly and continued use maycause component damage. Extremely dirtyconditions may require that the cap be inspectedmore often.Explosion and fire hazard. Enginefuels are combustible. Perform thisprocedure in an open, well-ventilated area away from heaters,sparks, flames and lightedtobacco. Always have anapproved fire extinguisher withineasy reach.Gasoline/LPG models (before serialnumber 13740) and Diesel models (all):Note: Perform this procedure with the engine off.Note: Gasoline/LPG models use a pressurized capbeginning with serial number 13740.1 Remove the cap from the fuel tank.Property of American Airlines