Komatsu 82E Series User Manual

82E-5 – 98E-5 SERIES 8-1
8. TURBOCHARGER
8. TURBOCHARGER
8.1 Structure and Functions........................................................................................................................ 8-2
8.1.1 Main specifications ............................................................................................................................... 8-2
8.1.2 Construction.......................................................................................................................................... 8-2
8.1.3 Structural and functional outline ........................................................................................................... 8-3
8.1.4 Components ......................................................................................................................................... 8-3
8.1.5 Components ......................................................................................................................................... 8-4
8.2 Service Standards and Tightening Torque ........................................................................................... 8-5
8.2.1 Service standards................................................................................................................................. 8-5
8.2.2 Tightening torque.................................................................................................................................. 8-6
8.3 Periodic Inspection Procedure.............................................................................................................. 8-7
8.3.1 Periodic inspection intervals ................................................................................................................. 8-7
8.3.2 Inspection procedure ............................................................................................................................ 8-7
8.3.3 Waste gate valve adjustment procedure .............................................................................................. 8-8
8.4 Disassembly Procedure...................................................................................................................... 8-10
8.4.1 Preparation for disassembly ............................................................................................................... 8-10
8.4.2 Inspection before disassembly ........................................................................................................... 8-11
8.4.3 Disassembly ....................................................................................................................................... 8-11
8.5 Washing and Inspection Procedure.................................................................................................... 8-12
8.5.1 Washing.............................................................................................................................................. 8-12
8.5.2 Inspection procedure .......................................................................................................................... 8-13
8.6 Reassembly Procedure ...................................................................................................................... 8-16
8.6.1 Preparation for reassembly................................................................................................................. 8-16
8.6.2 Reassembly........................................................................................................................................ 8-16
8.7 Handling after Disassembly and Reassembly ....................................................................................8-19
8.7.1 Instructions for turbocharger installation............................................................................................. 8-19
8.8 Troubleshooting.................................................................................................................................. 8-20
8.8.1 Excessively exhaust smoke................................................................................................................ 8-20
8.8.2 White smoke generation..................................................................................................................... 8-20
8.8.3 Sudden oil decrease........................................................................................................................... 8-21
8.8.4 Decrease in output.............................................................................................................................. 8-21
8.8.5 Poor (slow) response (starting) of turbocharger ................................................................................. 8-21
8.8.6 Abnormal sound or vibration............................................................................................................... 8-21

Komatsu 82E Series Specifications

General

Brand	Komatsu
Model	82E Series
Category	Engine
Language	English