RADIATOR ASSEMBLY SERVICE/TEST/REPAIR/REPLACE.
This task covers:
b. Pressure Test
DCA4 coolant test kit (Item 28, Appendix B)
Paragraph Engine enclosure removed
Tool kit, general mechanic's (Item 1, Appendix B)
Suitable lifting device
General Safety Instructions
Ethylene glycol antifreeze (Item 5, Appendix C)
Ensure coolant temperature is below 120°F (50°C)
Heavy duty cooling system cleaner (Item 25,
before servicing the radiator assembly.
Well ventilated area
Wait until the temperature is below 120°F (500C) before removing the coolant system
pressure cap. Failure to do so can cause personal injury from heated coolant spray.
Drain cooling system as follows:
Position pumping unit on level ground.
Remove radiator cap (1) after engine is cool.
Open radiator draincock (2).
Remove lower radiator hose (3).