Proheat M80 - Manual (Page 75)

PROHEAT G-I PCM SERVICE MANUAL 5-2
1. Clean Heater Enclosure
• Clean any accumulated debris or dust from the components.
• Make sure the opening around the exhaust pipe is clear.
• Visually inspect all the components for wear or damage.
• Ensure that the burner air intake is clear.
• Do not pressure wash.
2. Check Exhaust System
• Check the exhaust system carefully. Clean as necessary.
• Make sure the exhaust pipe is vented safely away from the vehicle.
• Check the pipe for dents, restrictions or severely corroded areas.
• Replace the exhaust pipe and clamps if necessary.
• Ensure the exhaust pipe clamp is tight and the exhaust pipe
is secure.
3. Check Heat Exchanger
• Remove the burner head assembly and combustion tube to access
the inside of the heat exchanger.
• To maintain optimum heat output, clean any combustion deposits
that may have accumulated on the heat exchanger fins.
• Use a wire brush to loosen the deposits and a vacuum to suck
them out.
• Ensure exhaust pipe is clean and free from restriction.
4. Check Cooling System
• Check all heater hoses and connections for signs of leakage
or damage.
• Repair or replace as required.
5. Check Power Source
• Check the condition of the power source and connections.
The heater will not function properly with a faulty power source or
corroded connections.
6. Check Fuel System
• Check the fuel system for damaged fuel lines or leakage.
• Make sure the clamps on the fuel lines are secure.
ANNUAL MAINTENANCE 5.2
ORIENTATION
BOSS
HEAT EXCHANGER
FLANGE NOTCH
Figure 5-2: Heat Exchanger
WARNING
Shock hazard due to voltage.