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 ------------------------------------------------------------------------------------------- 2-22 Swing Device ---------------------------------------------------------------------------------------------------- 2-58 Travel Device ---------------------------------------------------------------------------------------------------- 2-69 RCV Lever -------------------------------------------------------------------------------------------------------- 2-96 RCV Pedal -------------------------------------------------------------------------------------------------------- 2-103
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 3-3 3-6 3-19 3-29
SECTION 4 ELECTRICAL SYSTEM Group Group Group Group
1 2 3 4
Component Location --------------------------------------------------------------------------------------- Electric Circuit -------------------------------------------------------------------------------------------------- Electrical Component Specification --------------------------------------------------------------- Connectors -------------------------------------------------------------------------------------------------------
4-1 4-3 4-23 4-36
SECTION 5 MECHATRONICS SYSTEM Group Group Group Group Group Group Group Group
1 2 3 4 5 6 7 8
Outline --------------------------------------------------------------------------------------------------------------- 5-1 Mode selection System ----------------------------------------------------------------------------------- 5-3 Automatic Deceleration System --------------------------------------------------------------------- 5-6 Power Boost System --------------------------------------------------------------------------------------- 5-7 Travel Speed Control System ------------------------------------------------------------------------- 5-8 Automatic Warming Up Function -------------------------------------------------------------------- 5-9 Engine Overheat Prevention Function ----------------------------------------------------------- 5-10 Variable Power Control System ---------------------------------------------------------------------- 5-11