IC Bus CE Series 2020, Operation And Maintenance Manual

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Vehicle Inspection Guide
Auxiliary Fuel-Fired Heater System
Component Description
Coolant hoses, clamps, and valves
Check that hoses are secured and protected.
Check for clamp tightness.
Ensure valves are open.
Coolant level
Maintain the engine manufacturer's recommended coolant level, and ensure that the heater is properly
bled after service on / or involving the coolant system.
Fuel lines / leaks Visually check all fuel lines for leaks. Check, and if necessary, replace fuel filter inserts.
Electrical lines and connections Visually check all electrical lines and connections for corrosion.
Battery system condition
Maintain batteries and all electrical connections in good condition. With insufficient power, the heater will
not start. Low and high voltage cutouts will shut the heater down automatically.
Proper fuel
Use fuel suitable for the climate (see engine manufacturer's recommendations). Blending used engine
oil with diesel fuel is not permitted. Biodiesel of 5% or less is permitted. Greater levels of Biodiesel may
result in failures to the heater.
Emergency Exits and Equipment
Component Description
Roof Hatch
Inspect the roof hatch daily for proper opening, buzzer warning, if supplied, and operating instruction decal
attachment. Ensure the emergency hatch is completely closed and secure.
Emergency Exits
Check all emergency exits every day for proper opening, buzzer warning, and operating instruction decal
attachment. Check to see that all emergency exit doors can be opened, and that they are firmly closed.
Ensure all emergency door release bars are properly secured, and the kickout window handle is properly
latched.
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