Zoomlion ZT20J, Руководство по обслуживанию и ремонту

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IV
Contents
3.2 Maintenance and Instruction ............................................................................................ 3-2
3.2.1 General description ........................................................................................ 3-2
3.2.2 Safety and operating standards ...................................................................... 3-3
3.2.3 Cleaning ......................................................................................................... 3-3
3.2.4 Component disassembly and installation ....................................................... 3-3
3.2.5 Component disassembly and reinstallation .................................................... 3-3
3.2.6 Pressure-fit parts ............................................................................................ 3-3
3.2.7 Bearing ........................................................................................................... 3-3
3.2.8 Washer ........................................................................................................... 3-4
3.2.9 Bolt and torque applications .......................................................................... 3-4
3.2.10 Hydraulic line and electric wiring ................................................................ 3-4
3.2.11 Hydraulic system ......................................................................................... 3-4
3.2.12 Lubrication ................................................................................................... 3-4
3.2.13 Battery .......................................................................................................... 3-4
3.2.14 Lubrication and maintenance ....................................................................... 3-5
3.3 Lubrication and Information ............................................................................................ 3-5
3.3.1 Hydraulic system ........................................................................................... 3-5
3.3.2 Hydraulic oil .................................................................................................. 3-5
3.3.3 Hydraulic oil replacement .............................................................................. 3-7
3.3.4 Lubrication specification ............................................................................... 3-7
3.4 Cylinder Drift Test ........................................................................................................... 3-7
3.4.1 Platform drift ................................................................................................. 3-7
3.4.2 Cylinder drift ................................................................................................. 3-8
3.5 Pin and Bearing Inspection Instructions .......................................................................... 3-9
3.5.1 Fiber bearing .................................................................................................. 3-9
3.6 Welding on the Device ..................................................................................................... 3-9
3.6.1 Please perform the following operations when welding on the device .......... 3-9
3.6.2 Do not perform the following operations when welding on the device ......... 3-9
3.7 Use Insulating Grease in Electrical Connection Locations ............................................ 3-10
3.8 Engine Electrical System Maintenance .......................................................................... 3-10
SECTION 4 CHASSIS AND TURNTABLE
4.1 Tire and wheel .................................................................................................................. 4-1
4.1.1 Tire inflation .................................................................................................. 4-1
4.1.2 Tire damage ................................................................................................... 4-1