. MAINTENANCE MAINTENANCE PROCEDURE EVERY 50 HOURS MAINTENANCE 4 - 51 DRAIN WATER FROM FUEL TANK Carry out th is procedure before o perating t he machine Prepare a container t o catch th e fuel tha t is drained. 1. Swing t he upper structure so that inspection cover (1) is between the 2. Open th e inspection cover (1 3. (2) the water accumulated at the b ottom to gether with the fuel. When doing this, be careful n ot t o get fuel on yourself. 4. When o nly clea n fue l comes out, close drain valve (2). 5. Close th e inspection