Section 15 Maintenance & Inspection  15-42 
4  Replace the motor. 
 
 
 
[Starboard side] 
 
Remove the M10 bolts at two 
positions. 
 
 
 
[Port side] 
 
Remove the M10 bolts at two 
positions and pull the motor to 
demount it. 
 
Apply grease to the gear wheel of 
the replacement motor prior to 
installation. 
 
Install the new motor in the radar 
antenna. 
 
Fasten the hexagon head bolts with 
proper torque (380 kgfcm) to 
ensure that none of the bolts is left 
without being tightened or 
tightened too loosely. 
 
Install the cover by following the 
same steps in reverse order. 
 
Turn On the safety switch and 
confirm if the equipment operates