Hitachi FS3 Series, Service Manual, Page: 158 / 240

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SERVICING
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WARNING: TURN OFF all power source switches
2.8.6 REMOVING COUPLING
1. Remove the side covers according to the item, 2.8.2,
”Removing Side Cover”.
2. Separate the casing into two (2) pieces according to the
item, 2.8.4, ”Removing Fan Motor”.
Loosen the screw for the coupling by a hexagon wrench.
3. Remove the M8 screw fixing the bearing according to the
item, 2.8.5, ”Removing Bearing”.
4. Remove the coupling after removing the shaft and turbo fan
assembly.
2.8.7 REMOVING AUTOMATIC LOUVER MOTOR
1. Remove the right side cover according to the item 2.8.2
”Removing Side Cover”.
2. Remove the M4 screws and remove the AS motor
assembly from the right shaft of the discharge air grille. Pay
attention not to damage the AS motor assembly.
3. Remove two (2) screws (A) fixing the motor for auto louver
and remove the motor from the AS motor fixing plate.
Remove one (1) screw (B) fixing the shaft of the motor for
auto louver and pinion AS.
NOTE:
When assembling, tighten two (2) screws (A) with a torque
of 0.8Nm (8kg-cm) and one screw (B) with a torque of 0.4
Nm (4kg-cm) using a torque wrench.
2.8.8 REMOVING THERMISTORS FOR LIQUID
PIPE AND GAS PIPE
1. Remove the right and left side covers according to the item,
2.8.2, ”Removing Side Cover”.
2. Remove the lower cover.
3. Remove the drain pan after disconnecting the drain hose.
Lower Cover
Drain Pan Drain Hose
Stay