Hyundai HX220L Crawler Excavator Service Repair Manual – PDF Download

Page 1

CONTENTS SECTION 1 GENERAL Group 1 Safety Hints -------------------------------------------------------------------------------------------------------- 1-1 Group 2 Specifications ----------------------------------------------------------------------------------------------------- 1-10

SECTION 2 STRUCTURE AND FUNCTION Group Group Group Group Group Group

1 2 3 4 5 6

Pump Device -----------------------------------------------------------------------------------------------------Main Control Valve --------------------------------------------------------------------------------------------Swing Device -----------------------------------------------------------------------------------------------------Travel Device ------------------------------------------------------------------------------------------------------RCV Lever ---------------------------------------------------------------------------------------------------------RCV Pedal ----------------------------------------------------------------------------------------------------------

2-1 2-20 2-47 2-58 2-72 2-79

SECTION 3 HYDRAULIC SYSTEM Group Group Group Group Group

1 2 3 4 5

Hydraulic Circuit ------------------------------------------------------------------------------------------------Main Circuit --------------------------------------------------------------------------------------------------------Pilot Circuit ---------------------------------------------------------------------------------------------------------Single Operation ------------------------------------------------------------------------------------------------Combined Operation -----------------------------------------------------------------------------------------

3-1 3-2 3-5 3-14 3-24

SECTION 4 ELECTRICAL SYSTEM Group Group Group Group

1 2 3 4

Component Location ----------------------------------------------------------------------------------------Electrical Circuit ------------------------------------------------------------------------------------------------Electrical Component Specification ----------------------------------------------------------------Connectors ---------------------------------------------------------------------------------------------------------

4-1 4-3 4-21 4-29

SECTION 5 MECHATRONICS SYSTEM Group Group Group Group Group Group Group Group

1 2 3 4 5 6 7 8

Outline ----------------------------------------------------------------------------------------------------------------Mode selection System ------------------------------------------------------------------------------------Automatic Deceleration System ----------------------------------------------------------------------Power Boost System ----------------------------------------------------------------------------------------Travel Speed Control System --------------------------------------------------------------------------Automatic Warming Up Function ---------------------------------------------------------------------Engine Overheat Prevention Function ------------------------------------------------------------Variable Power Control System ------------------------------------------------------------------------

5-1 5-3 5-6 5-7 5-8 5-9 5-10 5-11


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