Hitachi RPIL-3.0UFE1NH Service Manual page 41

4. DISASSEMBLY AND ASSEMBLY FOR COMPRESSOR AND MOTOR
Ducted type
3.0HP
Removal and Assembly of Fan Motor
Important: Before removing the fan, make sure the power is off.
Step
1. Unplug the motor
cables
2. Remove the base
board
3. Remove the screws on
fan sub-assembly.
4. Removing the fan cage
enclosure
5. Loosen the fan,
crosshead and motor.
6. Replace the motor
7. Reassembly of the unit
Illustration
39
Handling instruction
Use screwdriver to remove the electric
box cover and unplug the motor cables
in electric box.
Loosen and take out the screws fixing
the base board, then remove the base
board.
Remove the screws on fan
sub-assembly.
Rotate the fan cage housing toward
supply opening and remove.
Use a hex wrench to loosen the screws
holding the fan cage to the motor shaft,
and the screws holding the crosshead
to the motor shaft. Remove outer
housing holding motor in place.
Remove the motor from the support
bracket. Then remove the fan cages
from the motor shafts. Remove the
motor from the air inlet and replace with
new motor. Be sure to tighten the cages
onto the motor shafts.
Reassemble the unit in the reverse
order of disassembly and test operation.