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 ----------------------------------------------------------------------------------------------------- 2-1 Main Control Valve ------------------------------------------------------------------------------------------- 2-23 Swing Device ---------------------------------------------------------------------------------------------------- 2-56 Travel Device ---------------------------------------------------------------------------------------------------- 2-66 RCV Lever --------------------------------------------------------------------------------------------------------- 2-83 RCV Pedal -------------------------------------------------------------------------------------------------------- 2-90
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 3-11 3-21
SECTION 4 ELECTRICAL SYSTEM Group Group Group Group
1 2 3 4
Component Location ---------------------------------------------------------------------------------------Electric Circuit --------------------------------------------------------------------------------------------------Electrical Component Specification ---------------------------------------------------------------Connectors --------------------------------------------------------------------------------------------------------
4-1 4-3 4-21 4-29
SECTION 5 MECHATRONICS SYSTEM Group Group Group Group
1 2 3 4
Outline --------------------------------------------------------------------------------------------------------------- 5-1 Mode Selection System ----------------------------------------------------------------------------------- 5-3 Automatic Deceleration System ---------------------------------------------------------------------- 5-6 Power Boost System ---------------------------------------------------------------------------------------- 5-7
Group Group Group Group
5 6 7 8
Travel Speed Control System ------------------------------------------------------------------------Automatic Warming Up System ---------------------------------------------------------------------Engine Overheat Prevention System ------------------------------------------------------------Variable power control system ------------------------------------------------------------------------
5-8 5-9 5-10 5-11