GENERAL / Tightening Torque PERIODIC REPLACEMENT OF PARTS The parts listed below deteriorate as the machine ages and are worn out or fatigued by repeated loads, resulting in possible severe personal injury and/or machine trouble. The service life of these parts cannot be detected through machine operation or visual inspection. Therefore, these parts should be replaced at regular in- tervals even if no abnormalities are noticed. In case any abnormalities are found on a part at any time regardless of its specified replacement interval, immediately replace the part. NOTE: Be sure to replace seals, such as O-rings and gaskets, when replacing hoses.
W1-2-9 Periodic Replacement Parts Replacement Intervals Engine Fuel hose (Fuel tank to filter) Every 2 years Oil filter hose (Engine to oil filter) Every 2 years Heater hose (Heater to engine) Every 2 years Hydraulic System Base Machine Pump suction hose Every 2 years Pump delivery hose Every 2 years Swing hose Every 2 years Travel Hose Every 2 years Front-End Attachment Boom cylinder line hose Every 2 years Arm cylinder line hose Every 2 years Bucket cylinder line hose Every 2 years Pilot hose Every 2 years