c) Replace the inspection plug and O-ring and tighten.
Tightening torque: 44 Nm (33 ft-lbs)
2. Empty the coolant:
a) Place the pump in a horizontal position, or leave it upright to use a pump to empty
the coolant.
b) If the pump is laid in a horizontal position, place a container under the pump.
c) Remove the coolant plugs and empty the coolant.
Maintenance
40 Flygt 3153 Installation, Operation, and Maintenance Manual