Maintenance Guidelines
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Y53-1030A 12/09 PACCAR
• Hose/Pipe condition – Chaffing, Deterioration,
Leaks
• Hose clamps for tightness
• Clearance to other components
• Aftertreatment Exhaust Piping – Inspect
•Cracks
• Clearance to other components (i.e. electrical har-
nesses, etc)
• Hose/pipe condition – cracks, chaffing, exhaust
leaks.
• Cooling Fan – Inspect
•Cracks
• Clearance to other components
• Air Tank and Reservoirs (if equipped) Inspect
• Engine Coolant Level - Check/Correct
With the engine off and temperature cool:
• Check coolant level. It should be visible within the
sight glass (glass level indicator) on the surge tank.
• Add coolant as necessary by removing the pressure
cap on the neck of the surge tank.
• Replacement or top up coolant should have the
same antifreeze concentration and corrosion inhibi-
tor content as the original coolant in the cooling sys-
tem.
• Never add 100% antifreeze to the cooling system.
Always dilute antifreeze to the correct concentration
based on freeze protection prior to adding it to the
cooling system. Adding or using 100% antifreeze in
a cooling system may result in cooling system plug-
ging and overheating problems.
Every 16,000 km (10,000mi), 250 Hours, or 3 months –
Maintenance Check
• Air Cleaner Restriction - Check/Correct
• Service filter element when Air Cleaner Restriction
Gauge (option) locks in the extreme High position.
• Hose/pipe condition - deterioration/signs of leaking
• Hose clamp torque
• Charge Air Piping – check/Correct
• Hose/pipe condition – chaffing, deterioration, leaks
• Hose clamps for tightness
• Clearance to other components
• Charge Air Cooler – Check/Correct
• Cracked tubes or header
• Clogged fins/tubes
• Hose/pipe condition - deterioration/signs of leaking
• Hose clamp torque
• Exhaust system - Check/Correct
• * check for leaks and proper support
Every 32,000 km (20,000 mi), 500 Hours, or 6 months –
Maintenance Check
• Fuel Filter, Spin on type replace
• Lubricating Oil – Change
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