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Underneath the bus
Check for leaks at manual heater valves by rubbing your finger around the fittings.
Open bus heater valves (in fall). Close bus heater valves (in spring)
Check for leaks at A/C skirt condenser (if vehicle has such equipment) by rubbing
your finger around the fittings.
Visually inspect floor cross members for sings of cracking.
Visually inspect all seats and barriers bolts are well tightened. Use tool to check if
you are in doubt.
Visually inspect undercoating and add if needed.
Yearly inspection:
Complete quarterly inspection.
Clean all seat covers.
Check and tighten any connections at the electrical board and at the battery. Clean if
needed.
Thoroughly clean all front and rear heater cores.
Bleed all air from heater if vehicle is equipped with a bleeder valve.
Check all hoses connections, tighten and/or secure as necessary.
