DAELIM ET-250 Service Manual page 124

Install the seal washer into the rotor.
Caution
Washer must be replaced together with
the mechanical seal.
Install the rotor onto the water pump shaft and tighten.
Torque Value: 1.0~1.4kgf-m
Caution
The rotor is left thread.
Install the dowel pin and right cover gasket.
The rotation water pump rotor, causes the water pump
drive shaft scoop channel, aligns the oil pump drive shaft
flange, install the right crank case. (9 bolts)
Install the dowel pin and new gasket.
Install the water pump cover with 4 bolts.
Water pump rotor