Description
Doosan DH170 Excavator Shop Manual
Doosan DH170 Excavator Index:
SERVICE OPERATIONS
12. Cylinder head assembly
13. Pistons and connecting rod assemblies
14. Crankshaft assembly
15. Timing case and drive assembly
16. Cylinder block assembly
17. Engine timing
19. Lubriction system
20. Fuel system
21. Cooling system
22. Flywheel and housing••••••••
23. Electrical equipment
List of special tools•••••••••• •
SPECIFICATIONS
OPERATION PRINCIPLES
1. GENERA
2. OPERATON CIRCUIT •
UPPER STRUCTURE.„•••••••••.•.
1. CONSTRUCTION
2. MAN PUMP
3. REGULATOR •
4. SWING DEVTE
5. CONTROL VALVE
6. REMOTE CONTROL VALVE( DYSTLCK)
7. TRAVEL CONTROL VALVE(PEDAL/LEVER)
8. CENTER DINT
9. ACCUWLATOR
10. SWING BEARING
UNDERCARRjmE••••••••••••••
1. CONSTRUCTION •
2. TRAVEL MOTOR •
TRACK SPRING AND TRACK ADUSTING CYLINDER
a. FRONT IDLER •
LOWER ROLLER •
UPPER ROLLER
HIJORNJUC CYLINDER
1. CONSTRUCT)ON
3. DISASSEMBLY AND ASSEMBLY
TROUBLESHOOTING
MANTENANCE STN-OAROS
1. STANDARDS
2. PERFORMANCE TEST •
3. UNDERCARRIAGE MAINTENANCE STANDARDS
ELECTRIC DEVICE
1. BASIC CONCEPT •
Z STARTING SYSTEM
PRE —HEATING SYSTEM
a. CHARGING SYSTEM
Hydraulic Circuit Diagram
Electric Circuit Diagram
