Carrier ComfortPro PC6000 Operation & Service Manual page 51

A-10
7 Start the APU by following the instructions on page 1- 3 (Multi-Function
Driver Control Panel).
8 With the APU and truck engines running, open the thermostat bleed
valve and let any trapped air escape until a steady stream of coolant
flows from the valve.
9 Shut the truck engine off.
10 Check the truck engine; ensure it is getting hot coolant from the APU.
If it is not, the APU is not purged of all its air. Stop APU by following
the instructions on page 1- 3 (Multi-Function Driver Control Panel).
Check for a restriction (i.e. valves/kinks etc.) and repeat steps 5 to 9.
11 Let APU run for at least 30 minutes. During this time keep checking
for signs of coolant leaks, fuel leaks and overheating.
12 Top up the coolant if necessary in the truck expansion tank and
replace the truck engine radiator cap.
13 Clean up any spilled coolant from inside APU and on the ground.
62-11175 COMFORTPRO SERVICE MANUAL