MAINTENANCE
5-32 HPR400XD Manual Gas Instruction Manual
Coolant system servicing
Draining the coolant system
4. Run the pump until the coolant stops flowing and immediately release the current selection knob (8).
3. Press and hold the current selection knob (8) and turn ON the power switch. The pump will run continuously while
(8) is pressed.
2. Remove the return coolant hose (red washer on the cooler fitting) from the rear of the cooler and put it in a 20 liter
(5 gallon) container.
1. Turn OFF all power to the system.
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