Factory Service Manual For Yanmar Excavator. Manual Contains Illustrations, Instructions, Diagrams For Step By Step Remove And Install, Assembly And Disassembly, Service, Inspection, Repair, Troubleshooting, Tune-Ups.

Format: PDF
Language: English
Pages: 533
Issue: june 1997
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes

Model

Yanmar Excavator
B50-2A

Contents

-GENERAL CAUTIONS FOR MAINTENANCE WORK
Correct Work
Safety Precautions
Preparations
Cautions for Disassembly and Reassembly
Cautions for Attaching and Detaching Hydraulic Equipment
Cautions for Attaching and Detaching Hydraulic Piping
Cautions for Handling Seals
Correct installation of Hydraulic Hose
Specifications of Hydraulic Hose
Air-Venting of Hydraulic Equipment
-TECHNICAL DATA
Specifications
External Drawings and Working Ranges
Weight of Main Parts
Lifting Capacities
-SERVICING STANDARDS
Machine Performance
Engine
Undercarriage
Control Devices
Hydraulic Equipment
Work Implement
List of Tightening Torque
Machine
Engine
Tightening Torque of General Bolts and Nuts
-ENGINE
Cylinder Block
Cylinder Head
Piston and Piston Pin
Connecting Rod
Crankshaft and Main Bearing
Camshaft and Tappets
Timing Gear
Service Data
Cooling System
Lubrication System
Fuel Supply System
Starter Motor
Alternator
Starting Aids
Adjustment of Engine Output (Engine additional data)
-HYDRAULIC SYSTEM
Outline
Hydraulic Circuit Schematic
Control Circuit
Hydraulic System
Cut-off Valve
Pilot Valve
Control Valve
Swing Motor
Travel Motor
Function of Hydraulic Cylinder with Cushion Mechanism
PTO Selector Valve
Pressure Adjustment
-ADJUSTMENT PROCEDURES FOR EACH EQUIPMENT
Electrical Equipment of the Machine
Undercarriage
Controls
Swing System
Hydraulic Equipment
Cabin
-PERIODIC INSPECTION AND SERVICING
List of Periodic Inspection and Servicing
-FUEL, LUBE OIL AND GREASE RECOMMENDED
Fuel, Lube Oil and Grease Recommended
-TROUBLESHOOTING
Non-breakdowns
Troubleshooting
-REFERENCE DATA
Procedures for Steel Track/Rubber Track Exchange