Content

Introduction

Maintenance

• Diagnosis and troubleshooting
• Start problems
• Unstable idle speed
• Insufficient power
• High fuel consumption
• High oil consumption
• Engine overheating
• White smoke coming out of engine exhaust
• Black smoke coming out of engine exhaust
• Low oil pressure
• Abnormal engine noise
• Engine cooling problem
• Data and specifications
• Engine cooling
• Starting system
• Charging system
• Maintenance standards
• Engine mechanical system
• General terms for diesel performance
• Maintenance work
• Air filter
• Lubricant system
• Fuel system
• Cooling system
• Drive belt adjustment
• Engine control (governed speed, valve clearance, injection timing, compression pressure)
• Tightening torque
• Torque for cylinder head, cylinder head cover and rocker shaft support
• Torque for crankshaft, bearing cap, connecting rod bearing cap, crankshaft damper pulley, flywheel and oil pan
• Torque for timing pulley chamber, timing pulley, timing gear and camshaft race
• Engine fuel system
• Torque for cooling system and lubricant system
• Torque for intake manifold, exhaust manifold and exhaust pipe
• Engine electrical system
• Torque for engine mounting bracket.
• Special tools

Engine mechanical system

• Cylinder head
• Valve spring, valve guide oil seal, valve guide and push rod
• Camshaft and tappet
• Rocker arm assembly
• Oil pump
• Crankshaft
• Piston and connecting rod
• Cylinder block

DA1 Series engine

• General
• Right support of engine
• Left support of engine
• Air-intake manifold
• Exhaust manifold
• Oil cooler
• Cylinder head cover
• Rocker shaft assembly
• Valve stem oil seal and valve spring
• Timing gear
• Cylinder head assembly and gasket
• Oil pan
• Oil pump assembly
• Piston, piston ring and connecting rod
• Camshaft and tappet
• Crankshaft front oil seal
• Crankshaft rear oil seal
• Crankshaft and main bearing

Engine cooling system

• General
• Water pump
• On-vehicle repair
• Single-piece repair
• Thermostat
• Radiator
• Drive belt adjustment

Fuel system

• General
• Fuel filter assembly
• Fuel injector
• Injection pump assembly
• Fuel system related parameters
• Fuel tank
• Fuel lever gauge

Starting system

• General
• Starting circuit
• Starter motor

Intake / exhaust system

• General
• Air filter
• Exhaust pipe and charger assembly