Removing Outdoor Fan; Removing Outdoor Fan Motor - Hitachi Utopia RPI-2.5HRG Service Manual

SERVICING

2.1.3 Removing Outdoor Fan

(1) Remove the service cover according to the item 2.1.1 "Removing Service Cover".
(2) Remove the air outlet grille according to the item 2.1.2 "Removing Air Outlet Grille".
(3) Remove the fans by removing the cap nuts and the flat washers fixing the propeller fans onto the
motor shaft. If it is difficult to remove the fan, use pullers.
(4) Remove the eight (8) screws fixing the upper
cover and remove the upper cover.

2.1.4 Removing Outdoor Fan Motor

(1) Disconnect the connectors for the motors in the electrical box.
(2) Cut the plastic tie of the motor clamp by using nipper.
(3) Remove the four (4) fixing screws for the motor.
NOTES:
1. When mounting the motor, ensure the cables point directly downward. Fix the protection tube edge
downward to ensure the water may not keep in it.
2. Fix the motor wires onto the motor clamp with a plastic tie to prevent them obstructing the propeller fans.
3. Mounting Propeller Fan
Insert the skidding protection part of fan boss in accordance with the cutting part of the motor shaft, and
fix the screw after exserting screw part of the shaft. (Tightening Torque of 8.0 N.m: 80kg.cm)
4. When connecting the motor wire, check to ensure that the colors of the connectors on the PCB are
matched with wires.
5. Firmly fix the air outlet grille to the shroud.
2-2
TURN OFF all power source switches.
Flat Washer
Cap Nut
Screw with
Spacer
Fan Motor
Phillips Screwdriver, Spanner,
Tool
Adjustable Wrench or Puller
Upper Cover
Nipper, Phillips Screwdriver,
Tool
Spanner, Adjustable Wrench or Puller
Fan Motor Lead Wires
Motor Clamp