The following checks should be performed periodically to
ensure the system is in good operating condition:
Check coolant hoses and clamps, and make sure all
valves are open.
Maintain the proper engine coolant level and ensure
that the heater is properly bled after service to or
involving the cooling system.
Visually check all fuel lines for leaks. Check fuel filter
inserts and replace if necessary.
Visually inspect all electrical lines and connections for
Maintain the electrical system in good condition. The
heater will not start with insufficient power, and will
automatically shut down if high or low voltage
Use fuel suitable for the climate.
Check the glow plug and replace if necessary.
Run the heater at least once a month for at least 15