KAMAZ 740 engine, repair e-manual (in Russian)

Contents

Instructions and warnings

Safety precautions

Marking and sealing

Engine operation

• Preparation for operation
• Starting, running and stopping the engine
• Starting the engine using EFU
• Recommended engine operating modes
• Engine running-in
• Stopping the engine

Kamaz-740.11-240, -740.13-260, -740.14-300 (740.11-3902001P3) engines

Introduction

• Technical characteristics of the engine

Engine composition, design and operation

• Cylinder block
• Cylinder liner
• Drive units

Crank mechanism

• Crankshaft
• Main and connecting rod bearings
• Main bearing caps
• Connecting rod
• Flywheel
• Torsional vibration damper
• Piston
• Compression rings
• Cooling nozzles
• Oil scraper ring
• Piston with connecting rod

Timing mechanism

• Camshaft
• Valves
• Pushers
• Rods
• Rocker arms
• Strut
• Springs
• Cylinder head

Engine lubrication system

• Lubrication system diagram
• Oil pump
• Oil filter
• Oil sump
• Thermal valve
• Water-oil heat exchanger
• Ventilation system crankcase

Turbocharger system

• Turbocharger TKR 7S-6
• Turbocharger TKR 7N
• Recommended operating modes of the engine with turbocharging
• Applicability of turbochargers
• Technical characteristics of turbochargers
• Troubleshooting in the turbocharging system

Cooling system

• Water pump
• Fan
• Fan casing
• Radiator
• Radiator shutters
• Expansion tank
• Fan drive fluid coupling
• Fluid coupling switch
• Thermostats
• Cooling system maintenance
• Adjusting the belt tension

Fuel supply system

• Injector
• High pressure fuel pump
• Speed ​​controller
• Automatic fuel injection advance coupling
• Injection pump drive
• Fine fuel filter
• Fuel priming pump
• Pre-start fuel pump
• Fuel lines

Cold engine starting aid system with EFU

• Electric torch device
• Checking the functionality of the EFU

Chemmatological chart of engines 740.11-240, -740.13-260, -740.14-300

Engine repair

Kamaz-740.30-260 engines (740.30-3902001RE)

Introduction

• General information
• Technical characteristics of the engine

Engine composition, design and operation

• Cylinder block
• Cylinder liner
• Drive units

Crank mechanism

• Crankshaft
• Main and connecting rod bearings
• Main bearing caps
• Connecting rod
• Flywheel
• Torsional vibration damper
• Piston
• Compression rings
• Oil scraper ring
• Cooling nozzles
• Piston with connecting rod
• Front power take-off drive

Timing mechanism

• Camshaft
• Valves
• Pushrods
• Rods
• Rocker arms
• Strut
• Springs
• Cylinder head

Engine lubrication system

• Lubrication system diagram
• Oil pump
• Oil filter
• Thermovalve
• Water-oil heat exchanger
• Oil sump
• Crankcase ventilation system

Engine air supply system

• Air filter
• First stage of cleaning
• Second stage cleaning

Gas turbine supercharging and charge air cooling system

• Turbocharger TKR 7S-6
• Technical characteristics of turbochargers
• Maintenance of the gas turbine supercharging system

Cooling system

• Water channel housing
• Water pump
• Water pump seal
• Fan and viscous fan drive coupling
• Radiator
• Thermostats
• Expansion tank
• Belt tension adjustment
• Complete set of engines with fluid coupling
• Fan drive fluid coupling
• Water pump
• Fan
• Belt tension adjustment

Fuel supply system

• Injector
• High pressure fuel pump
• Speed ​​controller
• Fuel supply corrector by boost air pressure
• Corrector adjustment
• Fuel injection pump drive
• Fine fuel filter
• Valve
• Fuel pump
• Fuel lines

Cold engine starting system with EFU

• Checking the EFU operability

Electrical equipment

• Generator
• Starter

Chemical map of engine 740.30-260

Engines Kamaz-740.50-360, -740.51-320 (740.50-3902001P3)

Introduction

• General information
• Technical characteristics of the engine

Engine composition, design and operation

• Cylinder block
• Cylinder liner
• Main and connecting rod bearings
• Connecting rod
• Drive units

Crank mechanism

• Crankshaft
• Main bearing caps
• Flywheel
• Torsional vibration damper
• Piston
• Compression rings
• Oil scraper ring
• Cooling nozzles
• Piston with connecting rod
• Front power take-off

Timing mechanism

• Camshaft
• Valves
• Pushers
• Rods
• Rocker arms
• Strut
• Springs
• Cylinder head

Engine lubrication system

• Oil pump
• Oil filter
• Thermal valve
• Water-oil heat exchanger
• Oil sump
• Crankcase ventilation system
• Oil scavenge pump

Gas turbine supercharging and charge air cooling system

• Turbocharger TKR 7S-6
• Technical characteristics of turbochargers
• Maintenance of the gas turbine supercharging system

Cooling system

• Water channel housing
• Water pump
• Water pump seal
• Fan and viscous fan drive clutch
• Radiator
• Thermostats
• Expansion tank
• Belt tension adjustment

Fuel supply system

• Injector
• High-pressure fuel pump
• Speed ​​controller
• Fuel supply corrector by boost air pressure
• Corrector adjustment
• High-pressure fuel pump drive
• Fine fuel filter
• Valve
• Fuel priming pump

Electrical equipment

• Fuel pump
• Fuel lines

Cold engine starting aid system with EFU

• Checking the EFU operability
• Generator
• Starter
• Compressor
• Power steering pump

Chemmatological chart of engines 740.50-360, 740.51-320

Possible malfunctions and methods of their elimination

Maintenance, types, frequency and lists of engine maintenance operations

• List of engine maintenance works performed during the initial period of operation
• List of works performed during the main period operation

Factory warranty

Claims procedure

Appendices

• Tightening torques of main threaded connections
• Tightening torques of threaded connections
• Table of repair liners for crankshaft bearings
• Table of repair liners for the lower connecting rod head
• Reinforced seals
• Rolling bearings
• Operating materials
• Addresses of service and warranty companies

Customers reviews