HYDRAULIC EXCAVATOR PC4000-6 (8172 and up) Shop Manual

MAIN MENU
COVER
CONTENTS
TABLE OF CONTENTS
SAFETY
FOREWARD
HOISTING INSTRUCTIONS
STANDARD TIGHTENING TORQUE
CONVERSION TABLE
1.0 MAIN ASSEMBLY GROUPS
1.0 MAIN ASSEMBLY GROUPS – GENERAL LAY OUT
2.0 PRIME DRIVE ASSEMBLY
2.0 PRIME DRIVE ASSEMBLY – GENERAL LAY OUT
2.1 ENGINE AND PTO MOUNT
2.2 COUPLING
2.3 AIR FILTER
2.4 FAN DRIVE AND RADIATOR ASSEMBLY
2.5 RADIATOR FAN DRIVE SPEED ADJUSTMENT
2.6 PUMP DISTRIBUTOR GEARBOX (PTO)
2.7 PUMP-SPLINE LUBRICATION
2.8 PTO LUBRICATION AND COOLING
2.9 HYDRAULIC PUMPS – LOCATION, DRIVE SPEED AND FLOW RATES
3.0 HYDRAULIC OIL RESERVOIR
3.0 HYDRAULIC OIL RESERVOIR GENERAL LAYOUT
3.1 MAIN OIL TANK, LOCATION OF SWITCHES, SENSORS ETC
3.2 SUCTION OIL TANK WITH STRAINERS
3.3 RETURN OIL COLLECTOR TUBE WITH STRAINER
3.4 BACK PRESSURE VALVE
3.5 TRANSFER PUMP (OPTIONAL EQUIPMENT)
3.6 RETURN AND LEAK OIL FILTER
3.7 BREATHER FILTER
4.0 HYDRAULIC OIL COOLING
4.1 GENERAL
4.2 FUNCTION OF THE HYDRAULIC OIL COOLING CIRCUIT
4.3 ADJUSTMENT OF THE BACK PRESSURE VALVE
4.4 FAN DRIVE (TWO STAGE COOLER FAN PRM CONTROL)
4.5 PRESSURE RELIEF VALVES AND SOLENOID VALVE
4.6 FIXED DISPLACEMENT PUMP, WITH VARIABLE SETTING
5.0 CONTROLLING
5.0 GENERAL LAYOUT – LEGEND FOR ILLUSTRATIONS
5.1 CONTROL AND FILTER PANEL LOCATION OF COMPONENTS (VALVES, SWITCHES, SENSORS ETC)
5.2 PILOT PRESSURE SUPPLY AND ADJUSTMENTS
5.3 REMOTE CONTROL VALVES ARRANGEMENT
5.4 FUNCTION PRINCIPLEOF THE ELECTRO-HYDRAULIC-PROPORTIONAL CONTROL
5.5 POTENTIOMETER CONTROL (LEVER, JOY STICK)
5.6 POTENTIOMETER CONTROL (PEDAL)
5.7 PROPORTIONAL AMPLIFIER MODULE, TYPE A
5.8 PROPORTIONAL AMPLIFIER MODULE, TYPE B
5.9 RAMP TIME MODULE
5.10 ADJUSTMENTS OF AMPLIFIER MODULES (GENERAL)
5.11 ADJUSTING THE AMPLIFIERS TYPE B, ILLUSTRATION
5.12 ADJUSTING THE AMPLIFIERS TYPE B, ILLUSTRATION
5.13 ADJUSTING THE RAMP TIME MODULE
6.0 COMPONENTS
6.1 HYDRAULIC
7.0 MAIN HYDRAULIC PUMPS AND PUMP REGULATION SYSTEM
7.0 GENERAL LAYOUT (HYDRAULIC ONLY)
7.0 GENERAL LAYOUG (PUMP REGULATION SYSTEM)
7.1 MAIN PUMPS
7.2 ELECTRONIC PUMP REGULATION SYSTEM
7.3 HYDRAULIC CONSTANT REGULATION SYSTEM
7.4 DETERMINATION OF THE PEAK POINT (ENGINE PERFORMANCE)
8.0 OPERATING HYDRAULIC
OPERATING HYDRAULIC – GENERAL
9.0 HYDRAULIC TRACK TENSIONING SYSTEM
9.0 GENERAL
9.1 FUNCTIONAL DESCRIPTION
9.2 PRESSURE INCREASING VALVE
9.3 TENSIONING CYLINDER
9.4 ADJUSTMENTS / CHECKS
9.5 FUNCTIONAL TEST
10.0 ACCESS LADDER HYDRAULIC OPERAGED
10.0 GENERAL
10.1 FUNCTION OF HYDRAULIC OPERATED ACCESS LADDER
11.0 HYDRAULIC OPERATED REFILLING ARM
11.0 GENERAL
11.1 FUNCTION OF HYDRAULIC OPERATED REFILLING ARM
12.0 HINTS FOR READING THE HYDRAULIC CIRCUIT DIAGRAM
12.0 GENERAL
12.1 LEGEND FOR THE CIRCUIT DIAGRAM
12.2 HOW TO READ THE CIRCUIT DIAGRAM
13.0 HINTS FOR READING THE ELECTRIC CIRCUIT DIAGRAM
13.1 DESIGNATION OF ELECTRICAL DEVICES
13.2 SYMBOLS
13.3 GENERAL INFORMATION
13.4 READING A CIRCUIT DIAGRAM
13.5 COMPONENT LIST
14.0 VEHICLE HEALTH MONITORING SYSTEM
DATA FLOW CONTROL OF VHMS
GENERAL
14.1 COLORED GRAPHIC CONSOLE (CGC) SPECS FOR OPERATORS
14.2 COLORED GRAPHIC CONSOLE (CGC) SPECS FOR SERVICEMEN
14.4 WIRING OF THE MAIN COMPONENTS
15.0 LUBRICATION SYSTEMS
15.1 HYDRAULICALLY DRIVEN LUBE PUMP
15.2 ONE LINE SYSTEM WITH HYDRAULICALLY DRIVEN “PUMP MASTER III” PUMP
15.3 PINION TYPE SYSTEM WITH HYDRAULIC DRIVEN “POWER MASTER III” PUMP
15.4 COMPONENTS
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