Proheat M80 - Manual (Page 77)

PROHEAT G-I PCM SERVICE MANUAL 5-4
9. Compressor Air Filter
• Replace inlet air filter annually or more often if dusty conditions
are encountered.
• Ensure the air filter is seated correctly.
• Refer to page 4-12, Step 6.
AIR FILTER
Figure 5-5: Air Filter
10. Compressor
• Important: Complete steps 8 and 9 prior to step 10 compressor check.
• Check the air pressure setting as described on page 4-12.
11. Electrical System
• Check the internal and the external wire harnesses for damage or
corrosion. Replace if required.
12. Timer/Toggle Switch Supplemental/Preheat
• Check heater operation under specified heater on signals.
13. Operation Test
• Run the system for at least 15 minutes or until the heater cycles
“OFF” and then “ON” again. Inspect the following during operation:
a) Combustion process.
• For smoke and raw fuel odor from the exhaust pipe.
• Fuel system leaks and corrosion.
• If there is a problem go to page 4-3 to page 4-31, Steps 1 to 7.
b) Coolant system:
• For leaks
• For correct system heating process. Go to page 4-27, Steps 1 and 2.
NOTICE
Inspect Proheat Control Module (G-I
PCM) to ensure that all connectors
have plugs or have an electrical
connection.