Komatsu HYDRAULIC SHOVEL H285S (78094 78111 & 78113) Shop Manual

PART 1
DIVISION OF MACHINE
SUPERSTRUCTURE
UNDERCARRIAGE
EQUIPMENT
SPECIAL EQUIPMENT
TOOTH SYSTEMS
LUBRICATION
REFILLING UNIT
HYDRAULIC SYSTEM
CONTROL
CONTROL UNITS
FILTERS OF THE HYDRAULIC OIL
ASSEMBLING THE EXCAVATOR

LIST OF CONTENTS
SHORT INFORMATION
HINTS FOR THE USER
HINTS FOR THE HYDRAULIC CIRCUIT DIAGRAM
ELECTRIC CIRCUIT DIAGRAM
HINTS FOR THE ELECTRIC CIRCUIT DIAGRAM
HINTS FOR CHECK AND ADJUSTMENTS
PROPULSION
PUMP DISTRIBUTOR GEAR
HYDRAULIC PUMPS
PUMP BEARING LUBRICATION
PUMP REGULATION
HYDRAULIC OIL COOLING
HYDRAULIC OIL TANK
PILOT PRESSURE CIRCUITS
SERVICE LINE CIRCUITS

SERIAL NUMBER H285S 78094, 78111 & 78113