MAINTENANCE CHECKLIST & SCHEDULE FOR THE IDH2 RANGE
INDUSTRIAL DIESEL HEATERS
Recommended Maintenance Schedule
Due to poor quality diesel available in some regions in Australia and the continuous ‘winter diesel problems’ we face each year such as ‘wax crystallising’, which can lead to fuel line blockages etc, regular maintenance and adhering to our strict guidelines which include storing & preventative wax crystallising options is highly recommended to ensure the best performance and longevity of our Diesel Heaters.
All diesel fuel contains wax. It is considered an important diesel component because of its high cetane value. Normally the wax is a liquid in the fuel, however, when diesel fuel gets cold enough the wax starts to crystallise (i.e. solidify). If the temperature is sufficiently low, enough crystals will form to block the fuel filter, fuel line or nozzle.
How to identify waxing problems
- If wax has formed in a diesel fuel then it will block fuel lines and filters, it is visible as a white/yellow deposit or cloud in the fuel.
- The heater will be hard to start or will not start due to fuel starvation
Blending Diesel
If you are in low temperature regions such as Alpine/highland/inland or unseasonably cold weather, a diesel blend with kerosene may provide some relief to lower the cloud point.
Components Brief
Legend Details
- Combustion chamber
- Spark plug
- Fan blade
- Motor
- Electric air pump
- Air intake filter
- Air output filter
- Fuel tank
- Control board
- Air line
- Fuel filter
- Flame steady plate
- Fuel nozzle
Instructions
Please ensure the heater is turned off and unplugged from the power source before doing any service work.
Fuel Line & Fuel Filter
- Remove top cover – undo 10 screws
- Remove side cover (not switch side)
- Remove clips securing fuel line to adaptor plate & fuel filter
- Remove fuel line, check for cracks around where the clips go or where the line passes through the body & check for waxing, If cracks or waxing is found replace line
- Pull fuel filter up and out of tank, check & make sure filter is clean & clear
- Reassemble following steps 1-6 in reverse
Airline
- Remove top cover – undo 10 screws
- Remove side cover (not switch side)
- Remove rear grill
- Remove clips holding air line to motor and adaptor plate
- Remove air line, check for cracks around where the clips go or where the line passes through the body, if cracks found replace
- Reassemble following steps 1-6 in reverse
Magic Eye Sensor
- Remove top cover – undo 10 screws
- Pull magic eye out located besides spark plug
- Using either tissue paper, soft cloth or cotton bud, gently clean the sensor inside the plug
- Reassemble following steps 1-3 in reverse
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