SECTION 1 GENERAL CONTENTS Group 1 Precautions for Disassembling and Assembling Precautions for Disassembling and Assembling........................................... W1-1-1 Maintenance Standard Terminology........ W1-1-7 Group 2 Tightening Torque Tightening Torque Specification.............. W1-2-1 Torque Chart .......................................... W1-2-2 Piping Joint ............................................ W1-2-5 Periodic Replacement of Parts ............... W1-2-9 Group 3 Painting Painting.................................................. W1-3-1 Group 4 Bleeding Air from Hydraulic Oil Tank Bleeding Air from Hydraulic Oil Tank....... W1-4-1 1V7W-1-1