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Details common characteristics and specific features of DH10A engine variants.
Graphs showing output and torque for different DH10A engine models.
Technical specifications including output, torque, bore, stroke, and displacement.
Details compression ratio, firing sequence, rotation direction, idle speeds, and weight.
Details on cylinder head height, liner groove dimensions, and head bolt specifications.
Specifications for piston rings, gudgeon pins, and piston clearances.
Details on valve disc diameter, stem diameter, and valve seat angles.
Details on camshaft lift, valve tappet clearance, and checking camshaft setting.
Information on timing gear teeth count, backlash, and clearances.
Details on crankshaft length, end float, main bearing clearance, and journal dimensions.
Specifications for big-end bearing journals, connecting-rod shells, and connecting rods.
Details on oil change quantity, operating pressure, and oil quality.
Description of reducer valve, by-pass valve, relief valve, and oil filters.
Details on EDC system type, injection pump rotation, and sequence.
Information on Volvo P/N, pump type, governor type, and basic settings.
Specifications for injection timer drive and bore/bearing dimensions.
Details on nozzle stand, opening pressure, and number of holes for injectors.
Details on turbocompressor designation, cooling, lubrication, and clearances.
Information on starter pre-heater output and pressure-drop indicator.
Details on engine circuit and heating distributor thermostat types and temperatures.
Description of hydraulic and temperature-controlled cooling fans for B10M and B10B.
Tolerances for cylinder head height and liner wear.
Permitted wear and deviations for crankshaft and connecting rods.
Tightening torques for cylinder heads, main bearings, and flywheel.
Torque specifications for various engine components like oil pump and turbocompressor.
Drifts, extractors, and pullers for valve guides and bearings.
Pullers, press tools, and centering tools for crankshaft and oil pump.
Procedures for draining coolant and oil before engine removal.
Instructions for lifting the engine using a lift table and engine fixture.
Steps for disconnecting fuel pipes, electrical cables, and gearbox attachments.
Guidelines for changing engine fuel and oil filters simultaneously.
Checks and replacement of coolant filters, hoses, and drive belts.
Steps for performing a compression test to assess cylinder condition.
Methods for testing charge pressure using mechanical and electrical means.
Procedures for checking oil pressure and pressure-testing the cooling system.
Steps for setting valve clearance and checking camshaft adjustment.
Procedure for adjusting valve clearance using a crank tool.
Details on cylinder head construction, sealing, and inlet duct design.
Steps for removing, cleaning, and disassembling the cylinder head.
Procedure for pressure testing the cylinder head for leaks.
Instructions for pressing out old and installing new valve guides.
Procedures for grinding valves and replacing valve seats.
Details on outer and inner valve spring lengths and loads.
Instructions for replacing rocker arm bushings and checking wear.
Procedure for checking and machining cylinder head unevenness.
Instructions for checking and machining cylinder liner seats.
Procedures for checking piston rings for wear and measuring ring gap.
Steps for removing, checking, and installing cylinder liners.
Steps for removing crankshaft, camshaft, and injection pump drive gears.
Checks for axial and radial clearances, and backlash of timing gears.
Procedure for replacing the output shaft seal on the injection pump.
Steps for setting basic timing on EDC injection pumps.
Procedure for removing the camshaft, thrust washer, and valve tappets.
Checks for camshaft wear, warp, and bearing condition.
Methods for checking crankshaft for cracks using magnetic powder.
Procedures for straightening and machining crankshaft bearing surfaces.
Checking flywheel for max. throw and contact surface condition.
Instructions for removing and installing flywheel support bearings.
Diagram illustrating the flow of oil through the lubricating system.
Description of the gear-type oil pump and its three pump units.
Steps for removing and installing the engine oil pump.
Procedure for pressing out and in, and reaming oil pump bushings.
Overview of feed pump, electromagnetic governor, and stop device.
Description of fuel filters and how injectors atomize and distribute fuel.
Differences in delivery valves and fuel system venting compared to THD104.
Explanation of the electronically controlled injection pump (EDC) system.
Steps for removing and installing engine injectors.
Methods for checking injector condition, spray pattern, and opening pressure.
Procedure for removing and installing the injection pump.
Procedure for adjusting the accelerator pedal stop screw.
Activating fault diagnosis, erasing fault codes, and interpreting fault codes.
Using a multimeter for EDC system troubleshooting and wiring diagrams.
Details on air cleaner type, filter replacement, and cyclone filter maintenance.
Procedure for pressure testing the intercooler for leaks.
Checks for starting pre-heater engagement, resistance, and power consumption.
Procedure for removing and replacing the starting pre-heater heating coil.
Steps for removing and installing the turbocompressor.
Procedure for disassembling, cleaning, and checking turbocompressor parts.
Steps for checking wastegate opening pressure and adjusting control rod length.
Guidelines for repairing turbocompressor housing and blades.
Diagram illustrating coolant flow through engine, intercooler, and retarder circuits.
Information on cooling system vent lines and recommendations for filling.
Procedures for checking thermostat closure and opening at specified temperatures.
Detailed steps for disassembling and assembling the coolant pump.
Explanation of bi-metal plates and silicone oil for regulating fan engagement.
Method for checking cooling fan speed using an optical tachometer.
Procedure for pressure testing the cooling system and checking components for leaks.
Instructions for cleaning and checking radiator for clogging and damage.
Explanation of EDC system, its advantages, and components.
Details on clutch pedal breaker, cruise control, and accelerator pedal sensors.
Description of relays and electronic circuits in the EDC relay box.
Details on control unit processors, programming, and programmable data.
Procedure for activating, reading, and erasing EDC system fault codes.
List of fault codes, probable causes, and check/action recommendations.
Using a multimeter for EDC system checks and wiring diagrams.
Procedures for measuring voltages and resistances in the EDC system.
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