Engines Cummins QSG12 / X12 (G110), repair e-manual

Content

Introduction

• About the manual
• Acronyms and abbreviations
• General cleaning instructions
• General repair instructions
• General safety instructions
• How to use the manual
• Illustrations
• Symbols

Engine and system identification

• Product technology
• Service engine model identification
• Engine diagrams
• Engine identification

Familiarization

Troubleshooting symptoms

Engine disassembly

Engine assembly

Product

• Engine barring
• Engine installation
• Engine painting
• Engine removal
• Engine storage
• Service tools

Cylinder block

• Bearings, connecting rod
• Bearings
• Block stiffener plate
• Camshaft
• Camshaft pulley
• Camshaft seal
• Crankshaft speed indicator ring
• Cylinder block
• Cylinder liner
• Engine base timing
• Engine dataplate
• Idle gear
• Piston
• Service tools
• Vibration damper

Cylinder head

• Cross head
• Cylinder head gasket
• Camshaft
• Service tools

Rocker levers

• Crankcase breather
• Crankcase breather tube
• Overhead set
• Rocker lever
• Service tools

Fuel system

• Fuel consumption
• Fuel pump
• Fuel system diagnostics
• Fuel system priming
• Service tools
• Stall speed test

Lubricating oil system

• Engine oil heater
• Lubricating oil and filter analysis
• Lubricating oil contamination
• Lubricating oil cooler housing
• Lubricating oil dipstick
• Lubricating oil fill tube
• Lubricating oil filter
• Lubricating oil pan
• Lubricating oil pump
• Lubricating oil leaks
• Lubricating oil system diagnostics
• Service tools

Cooling system

• Coolant bypass tube
• Coolant heater
• Coolant thermostat
• Coolant vent lines
• Cooling system
• Drive belt, cooling fan
• Fan clutch
• Fan hub, belt driven
• Fan pulley
• Water inlet connection
• Water manifold
• Water pump catridge

Drive units

• Hydraulic pump drive
• Refrigerant compressor
• REPTO
• Service tools

Air intake system

• Air cleaner
• Air inlet connection
• Air intake connection
• Air intake restriction
• Air intake system diagnostics
• Charge air cooler
• Cold starting aid
• Dust ejection valve
• Intake manifold pressure
• Service tools
• Turbocharger

Exhaust system

• Aftertreatment decomposition tube
• Aftertreatment diesel exhaust fluid dosing unit filter
• Aftertreatment diesel particulate filter
• Aftertreatment system
• Air in the diesel exhaust fluid
• Exhaust gas pressure sensot tube
• Exhaust manifold, dry
• Exhaust pressure regulator
• Exhaust restriction
• Exhaust system diagnostics
• Service tools

Compressed air system

• Air compressor
• Air compressor carbon buildup
• Air compressor coolant lines
• Air compressor cylinder head, single cylinder
• Air compressor discharge lines
• Air compressor inlet tube
• Air compressor unloader and valve
• Air governor
• Air leaks
• Service tools

Electrical equipment

• Batteries
• Battery cables and connections
• Charging system alternator
• Charging system indicator
• Key switch
• Service tools
• Starter magnetic switch
• Starter solenoid
• Starting motor

Engine testing

Mounting adaptations

Miscellaneous

• Banjo connector
• Capscrew
• Cup plug
• Power pin
• Flexible hose
• Ring dowel
• Straight thread fittings
• Straight thread plug

Electronic controls

Specifications

Customers reviews