6. COOLING SYSTEM MXU 550EXi/MXU500i
O-ring
Install a new O-ring into the housing cover
groove.
Install the housing cover and housing stay
to the housing.
Tighten the bolts securely.
Install the housing stay to the frame.
Tighten the nut securely.
Fill the system with recommended coolant
and bleed the air (refer to the "COOLANT
REPLACEMENT" section in this
chapter).
6-10