Care and Maintenance 8-21
DOB 1300-1556 PA-1639 Operator's Manual 2020 X3-45 Commuter
APPROACHING THE VEHICLE
l Check under the coach for oil, fuel or coolant
leaks or other signs of damage.
l Check exterior body surfaces for signs of
damage.
PREPARATION
l Drain accumulated water from accessories
air tanks.
l Close air tank drain valves.
l Start the engine and let the air pressure build
up to normal. Stop engine.
l Switch on hazard warning flashers.
l Make sure parking brakes are applied.
STEP 1: RIGHT SIDE
l Check that baggage and service
compartment doors are properly latched and
locked.
l Check condition of wheels and rims.
Especially look for cracks, missing nuts, bent
or broken studs.
l Check the loose wheel nut indicators for
signs of loose wheel nut.
l Check condition of tires: properly inflated, no
serious cuts, bulges, tread wear or any signs
of misalignment; valve stems not touching
wheels or rims; valve caps in place and no
objects stuck between the wheels.
STEP 2: ENGINE COMPARTMENT RIGHT SIDE
AREA
l Check engine and surrounding areas for
coolant, oil and fuel leaks.
l Check primary fuel filter/water separator and
drain if necessary. Close drain valve after
draining.
l Check power steering reservoir fluid level,
add if necessary.
l Check wiring harness for signs of damage.
STEP 3: ENGINE COMPARTMENT
l Check engine and surrounding areas for
coolant, oil and fuel leaks.
l Check wiring harness for signs of damage.
l Check for loose, worn or broken belts.
l Check belts tension adjustment.
l Check engine crankcase oil level, add if
necessary.
l Check Allison transmission fluid level (can
also be checked from push- button shift
selector), add if necessary.
l Check coolant surge tank fluid level, add if
necessary.
l Check air cleaner restriction indicator,
replace air cleaner when red signal locks in
full view.
l Check stop light, tail light, directional signal
light and back-up light assembly, they should
be clean.
l Drain the wet tank and the oil separator by
pressing the purge button located below the
rear start panel.
STEP 4: REAR LEFT SIDE
l Check condition of wheels and rims.
Especially look for cracks, missing nuts, bent
or broken studs.
l Check the loose wheel nut indicators for
signs of loose wheel nut.
l Check condition of tires: properly inflated, no
serious cuts, bulges, tread wear or any signs
of misalignment; valve stems not touching
wheels or rims; valve caps in place and no
objects stuck between the wheels.
l Check that baggage and service
compartment doors are properly latched and
locked.
l Check optional auxiliary coolant heater for
fuel leaks.
STEP 5: FRONT LEFT SIDE
l Check condition of wheel rim. Especially
look for cracks, missing nuts, bent or broken
studs.
l Check the loose wheel nut indicators for
signs of loose wheel nut.
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