DOOSAN D18NAP DIESEL ENGINE OPERATION & MAINTENANCE MANUAL PDF DOWNLOAD

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Learn how to operate and maintain your Doosan D18NAP diesel engine with this comprehensive manual. Written by industry experts, this guide provides objective and factual information, including percentages, facts, and numbers, to ensure optimal engine performance. Download the PDF for easy reference and keep your engine running smoothly.

Models Covered:
Doosan D18NAP Diesel Engine

Manuals Content:
1. General Introduction
General Information…………………………………………………………………………………………………….. 1-3
Danger, Warning, Caution, and Comment ……………………………………………………………………… 1-4
Engine Management ……………………………………………………………………………………………………. 1-7
2. Operation and Management
Starting and Stopping an Engine …………………………………………………………………………………… 2-3
Break-in Period of an Engine ………………………………………………………………………………………… 2-4
Operation in Winter …………………………………………………………………………………………………….. 2-6
Inspecting and Repairing an Engine ……………………………………………………………………………… 2-7
3. Performance and Specifications
Engine Specifications and Performance …………………………………………………………………………. 3-3
Outside Drawing of the Engine (DL01-LEE00)………………………………………………………………. 3-10
Outside Drawing of the Engine (DL01-LEL00)) …………………………………………………………….. 3-14
Engine Identification Number)……………………………………………………………………………………… 3-18
4. Regular Inspection
General Information…………………………………………………………………………………………………….. 4-3
Regular Inspection Table………………………………………………………………………………………………. 4-4
Engine Oil ………………………………………………………………………………………………………………….. 4-5
Coolant ……………………………………………………………………………………………………………………… 4-10
Fuel …………………………………………………………………………………………………………………………… 4-14
Air Filter ……………………………………………………………………………………………………………………. 4-15
5. Failure Diagnosis
General Information…………………………………………………………………………………………………….. 5-5
Failure Code ……………………………………………………………………………………………………………….. 5-6
Failure Code Diagnosis…………………………………………………………………………………………………. 5-10
6. About the engine
Marking System of Units ……………………………………………………………………………………………… 6-3
Tightening Torque ……………………………………………………………………………………………………… 6-4
Engine Disassembly …………………………………………………………………………………………………… 6-7
Engine Assembly ………………………………………………………………………………………………………. 6-20
7. Cooling System
General Information……………………………………………………………………………………………………. 7-3
water Pump ……………………………………………………………………………………………………………….. 7-6
Thermostat ……………………………………………………………………………………………………………….. 7-8
8. Lubrication System
General Information…………………………………………………………………………………………………… 8-3
Oil Pump…………………………………………………………………………………………………………………… 8-6
Oil Filter Assembly…………………………………………………………………………………………………….. 8-12
9. Fuel System
General Information…………………………………………………………………………………………………… 9-3
Fuel return hose…………………………………………………………………………………………………………. 9-5
Injector……………………………………………………………………………………………………………………… 9-6
Common Rail……………………………………………………………………………………………………………… 9-12
Fuel injection pump…………………………………………………………………………………………………….. 9-17
10. Intake/Exhaust System
General Information…………………………………………………………………………………………………… 10-3
Specifications ………………………………………………………………………………………………………….. 10-4
Intake manifold ……………………………………………………………………………………………………….. 10-5
Turbocharger …………………………………………………………………………………………………………… 10-8
Exhaust Gas Recirculation (EGR) System……………………………………………………………………. 10-22
11. Cylinder block/head
General Information…………………………………………………………………………………………………. 11-3
Cylinder Block………………………………………………………………………………………………………….. 11-5
Timing Gear Case……………………………………………………………………………………………………. 11-7
Breather…………………………………………………………………………………………………………………. 11-9
Cylinder Head……………………………………………………………………………………………………….. 11-10
Cylinder Head Cover……………………………………………………………………………………………….. 11-11
Oil Pan…………………………………………………………………………………………………………………… 11-16
Valve …………………………………………………………………………………………………………………….. 11-18
Rocker Arm……………………………………………………………………………………………………………. 11-21
Valve Tappet and Push Rod ……………………………………………………………………………………. 11-28
Camshaft ………………………………………………………………………………………………………………. 11-35
Idle Gear……………………………………………………………………………………………………………….. 11-37
Lifting Hook………………………………………………………………………………………………………….. 11-42