. MAINTENANCE SERVICE PROCEDURE CHECK FOR LOOSE ENGINE HIGH-PRESSURE PIPING CLAMPS, HARDENING OF RUBBER CHECKING FOR MISSING FUEL SPRAY PREVENTION CAP, HARDENING OF RUBBER 4 - 67 Check visuall y and t ouch with your fingers to chec k that there are no loose bolts or hardening of r ubber par ts at clamps (1 ) to ( 15). If there is any looseness or hard ened rubber, contact your Komatsu distributor for replacement. Check for any missing fuel spray prevention caps ( 1) to (11) or fuel spray prevention cover (12), and check als o for any hardened rubber portions. If there are any miss ing caps or cover or the rubber is hardened, pleas e contact your Komatsu distributor for repairs.