94m11 m11plus Ism Ism02 Maint Sched

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94 M11 / M11+ / ISM / ISM 02 Recommended Maintenance Schedule

1994 M11 EngineDaily or Refueling Every 16,000 miles, Every 60,000 miles, Every 240,000 miles, Every 240,000 miles,

250 hrs or 6 months 1,500 hrs or 1 year 6,000 hrs or 2 years 6,000 hrs or 3 years

Inspect Inspect Inspect Inspect InspectOperator report Air cleaner restriction Engine brake Turbocharger

Oil level Air intake system Turbocharger mounting nuts Air compressor

Coolant level Charge & clean air cooler Engine mounting bolts Fan clutch

Drive belts Operate engine Shutters & thermatic fans Fan idler pulley assembly

Wiring harnesses Water pump Vibration damper

Cooling fan Coolant DCA concentration Automatic belt tensioner

Visually inspect air intake & CAC

Replace Replace Replace Replace

Lube oil & filter (1) Hoses as required Flush & refill cooling system

Fuel filter

Air compressor air cleaner

Adjust Adjust Adjust Adjust Adjust

Drain fuel water separator DCA additive as needed Valve adjust

Clean crankcase breather

Steam clean engine

(1) Normal duty cycle using CH-4 oil. Severe duty cycle - 10,000 miles; Light duty cycle - 22,000 miles.

M11 Plus EngineDaily or Refueling Every 15,000 miles, Every 35,000 miles Every 120,000 miles, Every 240,000 miles,

300 hrs or 6 months 3,000 hrs or 2 years 6,000 hrs or 3 years

Inspect Inspect Inspect Inspect InspectOperator report Coolant DCA concentration Automatic belt tensioner Fan hub

Oil level Crankcase breather Fan idler pulley

Coolant level Engine mounting bolts Vibration damper

Shutters & thermatic fans

Cooling fan Water pump

Visually inspect air intake & CAC Air intake system

Air cleaner restriction

Crankcase breather tube Replace Replace Replace Replace

Cooling fan Fuel filter Lube oil & filter (1) Flush & refill cooling system

Air compressor air cleaner

Coolant filter


Drain fuel water separator DCA additive as needed Overhead set - valves & injectors

Drain air tanks and reservoirs Steam clean engine

Adjust engine brake


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ISM EngineDaily or Refueling Every 15,000 miles, Every 30,000 miles Every 120,000 miles, Every 240,000 miles,

300 hrs or 6 months 3,000 hrs or 2 years 6,000 hrs or 3 years

Inspect Inspect Inspect Inspect Inspect

Operator report Coolant DCA concentration Automatic belt tensioner Air compressor components

Oil level Charge air cooler

Coolant levelCooling fan Replace Replace Replace Replace

Visually inspect air intake & CAC Fuel filter Lube oil & filter - non-wastegate turbo (2) Flush & refill cooling system

Air cleaner restriction Coolant filter

Crankcase breather tube Coolant filter

Cooling fan Lube oil & filter - wastegate turbo (1)


Drain fuel water separator Overhead set - valves & injectors

Drain air tanks and reservoirs DCA additive as needed Steam clean engine

Adjust engine brake



ISM02 EngineDaily or Refueling Every 15,000 miles, Every 25,000 miles, Every 120,000 miles, Every 240,000 miles, Everu 250,000 miles,

300 hrs or 6 months or 6 months 3,000 hrs or 2 years 6,000 hrs or 3 years 6,000 miles or 2 years

Inspect Inspect Inspect Inspect Inspect Inspect

Operator report Coolant DCA concentration Automatic belt tensioner Air compressor components

Oil level Charge air cooler EGR system hoses Vibration damper

Coolant level

Cooling fanVisually inspect air intake & CAC

Air cleaner restriction

Crankcase breather tube

Cooling fan Replace Replace Replace Replace Replace

Drive belt Fuel filter Lube oil & filter (1) Flush & refill cooling system Turbocharger air shutoff valve filter

Coolant filter

Adjust Adjust Adjust Adjust Adjust Adjust

Drain fuel water separator Overhead set - valves & injectors

Drain air tanks and reservoirs DCA additive as needed Steam clean engine

Adjust engine brake

(1) Normal duty cycle using CI-4 oil. Severe duty cycle - 15,000 miles; Light duty cycle - 35,000 miles.

94m11 m11plus Ism Ism02 Maint Sched

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