Content

Foreword

Operational description of WP-10 diesel engine

• Designation of WP-10 series diesel engines
• Features of the new diesel engine operation
• Recommended timing of the first oil change
• Initial check before starting a new engine
• Check before launch
• Diesel launch
• Diesel engine operation
• Points to look out for when starting and running the engine in cold conditions

Diesel service

• Daily service
• Periodic maintenance
• Diesel service intervals
• Production operations when servicing a diesel engine
• Service protocol form

Diesel service operations

• Daily maintenance
• Periodic maintenance content
• Draining the engine oil and removing the oil filter
• Installing a new oil filter
• Filling with engine oil
• Checking and adjusting valve clearances
• Exhaust valve lever
• Exhaust valve clearance adjustment
• Intake valve clearance adjustment
• Checking the V-belt tension
• Checking the engine cooling system
• Fuel filter replacement
• Checking the intake system
• Checking and maintaining the air filter
• Diesel maintenance after long-term storage
• Preservation

Diagrams of the main diesel systems

• Engine lubrication system
• Lubrication of moving parts
• Valve actuator lubrication
• Turbocharger lubrication
• Cooling system
• Intake and exhaust system
• Fuel system WP-10
• Electronic fuel management system
• High pressure fuel pump (TNVD)
• Diesel fuel pre-filter

Moments and methods of tightening threaded connections

• Crankshaft bearing plate retaining bolts (main)
• Cylinder head bolts
• Connecting rod bolt
• Flywheel bolts
• Flywheel housing bolts
• Idler shaft bolt
• Oil pump parasitic gear shaft bolt
• Lever pad bolt
• Nuts for high pressure fuel lines
• High pressure fuel pump drive gear retaining nut
• Camshaft hex bolts
• Crankshaft vibration isolator pulley bolts
• Bolts of fastening of injectors
• Exhaust manifold bolt
• Tightening torques and tightening methods
• Plate fixing bolts

Motor fuel, lubricating oil, coolant and diesel auxiliary materials

• Diesel fuel
• Lubricating engine oil
• Engine oil grade
• Using a higher quality engine oil
• The choice of oil for the engine by viscosity
• Oil level in the crankcase
• Lithium water pump grease
• Coolant
• Supporting materials
• Sealants
• Molybdenum powder
• Use of auxiliary materials

Electrical part

• Electronic control unit ECU
• Power Generator WP-10
• Starter WP-10
• Engine oil pressure sensor
• Coolant temperature sensor

Adjustment and replacement of main parts and assemblies

• Cooling system
• Lubrication system
• Replacing the oil pump
• Replacing the nozzle
• Intake system

Typical failures and their elimination

• Diesel won't start
• Starter not working
• Lack of fuel in the high pressure system
• Injector harness connectors
• Loss of crankshaft and camshaft signal
• Diesel starting difficulties
• Engine does not develop full power
• Injector damage
• Coolant, engine oil, intake temperature too high
• Cause of high coolant temperature and remedy
• Causes of high engine oil temperature and remedy
• Cause of too high inlet temperature and remedy
• Synchronization error signal
• Refusal of the measuring unit of fuel consumption
• Fuel line leak
• Intake pressure sensor failure
• Failure of the pressure sensor in the common fuel supply pipe
• The engine runs at a constant speed of 1000 rpm
• Engine idling

Points of attention

Explanation of graphic marks