Removing Turbo Fan And Fan Motor - Hitachi RCI-1.0FSN3 Service Manual

10 Servicing

10.1.4 Removing Turbo Fan and Fan Motor

1 Remove the air inlet grille and the electrical box cover according
to the item 2.3.1 "Removing Air Filter and Air Inlet Grille" and
the item 2.3.2 "Removing Electrical Box Cover".
2 Moving Electrical Box
a. Remove the outlet air thermistor (THM2), the drain pump
motor connector (PCN6), the float switch connector (CN14),
the pipe thermistors (THM5 and THM3), the expansion
valve (CN11) and the fan motor connector (CN1) from
indoor unit PCB1.
b. Remove the fixing screws 4 and 5 for electrical box and
hang the electrical box from the unit.
3 Removing Bell-Mouth
Remove three (3) fixing screws 1 , 2 and 3 for bell-mouth
fixed to the drain pan, and remove the bell-mouth.
4 Removing Turbo Fan and Fan Motor
Remove the turbo fan after the fixing nut for the turbo fan is
removed. Remove the fan motor after three (3) fixing nuts for
the fan motor are removed. (When reassembling, the tightening
torque for nuts shall be approximately 8N-m.)
N O T E
When reassembling, temporally fix the fixing screws ( 1
to 5 ), and align the center of turbo fan and bell-mouth to
match. Tighten securely after keeping the clearance between
the turbo fan and the bell-mouth evenly. In addition, securely
fix lead wires for fan motor, 2 pipe thermistors and expansion
valve by the cord clamp attaching at the partition plate.
307
SMGB0077 rev.0 - 01/2013
Drain Pump Motor
Connector (PCN6)
Fixing Screw 2
Fixing Screw 1
Fixing Screw 5
Fixing Plate for
Electrical Wiring
Outlet Air Fan Motor
Thermistor (THM2) Connector (CN1)
Float Switch
Connector (CN14)
Fixing Screw (3 pcs.)
Fixing Screw 3
CN36
Expansion
Valve (CN11)
Fixing Screw 4
Pipe Thermistor
(THM5,THM3)
Fan Motor
Vibration Absorber
Fixing Nut (3 pcs.)
Turbo Fan
Fixing Nut
10
Bell-Mouth