Cummins ISB 6.7 Service Manual (CM2150)

Cummins ISB 6.7 Service Manual (CM2150).

Factory printed Cummins ISB 6.7 service manual (2150).  Covers the Cummins ISB 6.7 engine for mechanical troubleshooting, repair, overhaul, adjustments, maintenance service, torque specs, valve lash, etc.

Cummins ISB 6.7 Service Manual (CM2150)

Engines: Cummins ISB 6.7 Engine

Engine Control Module: 2100 / 2150

 

This manual only covers the mechanical portion of the engine.  Coverage of the fault codes & engine / performance management, that information can be found here:
Cummins ISB / ISC / ISL Electronic Troubleshooting Manual (CM2150)

Cummins ISB 6.7 Service Manual (CM2150) Manual Contents

• Introduction
• Familiarization
• Air intake system overview & flow diagram
• Complete engine overview & info
• Compressed air system & flow diagram
• Cooling system overview & flow diagram
• Cylinder block overview & info
• Engine electrical equipment overview
• Engine testing overview including dyno testing
• Flow diagram for exhaust system
• Fuel system overview & flow diagram
• Cummins Accumulator Pump System (CAPS) operation
• Injectors & fuel line overview including operation theory
• Lubrication system overview & flow diagram

Cummins ISB 6.7 Service Manual (CM2150)Troubleshooting Symptoms

• Troubleshooting Procedures & Techniques
• Air compressor problems
• Alternator problems
• Cooling system problems
• Excessive crankcase blowby
• Low fuel pressure
• Engine brake problems
• Hard starting
• Engine noises
• Low power
• Misfire or runs rough
• Engine dies
• Speed surge
• Starts but dies
• Excessive vibration
• Fuel consumption
• Fuel in coolant
• Fuel in oil
• Low boost
• Excessive oil consumption
• Smoking
• Governor problems
• Troubleshooting overview
• More

Complete Engine

• Removal & Installation
• Cylinder Block
• Accessory drive seal
• Con rod bearings
• Main bearings
• Thrust bearings
• Camshaft, bushings, clearance & bearing supports
• Crankshaft inspection & servicing
• Crankshaft gears, pulley & seals
• Cylinder block, servicing, liners, liner seats, counterbore
• Gear cover accessory drive bushing
• Pistons & rings
• Con rods
• Piston cooling pipes
• Vibration damper
• Cylinder Head
• Clean / inspect
• Finishing / surfacing
• Installation / removal
• Leak / pressure test
• Head gasket general info
• Rocker Arms
• Crankcase breather
• Overhead adjusting, finishing, general info
• Rocker arm, clean, inspect & service
• Rocker cover & housing
• Special tools
• Cam Followers / Push Rods or Tubes
• Remove, clean, inspect, disassemble, assemble & install

Fuel System

• Fuel Flow, inspect & test
• Fuel pump, inspect & test
• Check valve
• High idle speed adjust
• Idle speed adjust
• Pressure regulator
• Pulsation damper
• Throttle lever & linkage
• VS throttle shaft housing
• Shut-off valve
• Service tools
• Stall speed test
• VS governor adjusting screw sealing washers & idle spring
• Injectors & Fuel Lines
• AFC no air check
• Air in fuel
• Cylinder misfire or smokes
• ECM fuel plate, fuel cooled
• Fuel drain line restriction
• Fuel filter, spin on
• Fuel inlet restriction
• Fuel supply lines
• Injector
• Service tools
• Static injector timing

Lubrication System

• Lube oil & filter analysis
• Lube oil contamination
• Lube oil cooler & transfer housing
• Dipstick & housing
• Lube oil filter, spin on
• Lube oil by-pass valve
• Lube oil filter head
• Lube oil high pressure relief valve
• Lube oil leaks
• Lube oil pan
• Lube oil pressure gauge
• Lube oil pressure regulator
• Lube oil pump
• Lube oil pump signal tube & signal tube orifice
• Lube oil system diagnostics
• Lube oil temperature gauge
• Lube oil thermostat
• Lube oil transfer tube
• Lube oil viscosity sensor

Cooling System

• Coolant filter, head & valve
• Temperature gauge
• Thermostat, housing & seal
• Vent lines
• Cooling system, servicing
• Cooling system, air or combustion gas test
• Cooling fan & water pump drive belt
• Fan clutch, electric / on-off / viscous
• Fan hub, belt driven
• Fan shroud, spacer & pulley
• Cooling fan
• Radiator, hoses & cap
• Radiator shutters
• Heat exchanger
• Sea water pump
• Water pump & idler
• Drive Units
• Accessory drive & pulley
• Accessory drive pulley wear sleeve
• Air Intake System
• Aftercooler
• Intake manifold
• Intake restriction
• Air leaks, intake & exhaust system
• Charge air cooler
• Turbocharger
• Turbocharger inspection
• Exhaust System
• Exhaust manifold, dry
• Exhaust restriction
• Compressed Air System
• Air compressor
• Carbon build-up
• Air compressor head
• Pin bore wear
• Unloader & valve assy.
• Governor testing (compressor pumps continuously or will not pump
• Air leaks

Electrical Equipment

• Alternator
• Batteries, cables & connections
• Alternator drive belt
• Starter magnetic switch
• Starter solenoid
• Starter switch
• Starter motor

Engine Testing

• Dyno worksheet
• Engine run-in (dyno)
• Engine run-in (without dyno)
• Engine testing with dyno
• Mounting Adaptations
• Engine lifting brackets
• Engine mounts
• Support brackets
• Flywheel & ring gear
• Flywheel housing
• Miscellaneous
• Cup plugs
• Pipe plugs
• Straight thread fittings & plugs

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