Gree EJ51000061, Service Manual

Page: 75 / 132

73
Rooftop Packaged
Service Manual
Apply to 3, 4, 5Ton:
Disassembly and Assembly of Supply Blower Motor
Remark: Make sure that the unit is stopped running and power supply is cut off before removal of the motor.
Process Pictorial View Handling Description
1.Take out the side plate.
Side Plate
Unscrew the screws fixing side plate .Lift
the handles,slightly pulling it outwards and
downwards to take out the side plate.
2. Disconnect all
connection lines.
Disconnect all connection lines between
motor and elements in electric box .
Note:Please refer to the schematic diagram
which adhered on electric box for disconnection
of connection lines of supply blower motor.
3. Disassemble the
whole fan sub-assy.
Bolts
Bolts
Pull the power cord of motor through rubber ring to
indoor. Unscrew the bolts fixing fan sub-assy (indicated
by the arrows) ,and then take the fan sub-assy out.
Note: Power cord may be fixed by bundles,so loose
the bundles before pulling power cord to indoor.
4. Loose connection
between fan rotor
shaft and fan blade.
Screw
Unscrew the holding screw of fan (indicated by the
arrows) to loose connection between motor shaft and fan.
Note: Fix fan blade when unscrewing hoiding
nut of fan blade to avoid blade from rotating
and thereby injury to people is caused.
5. Remove the motor
and bracket sub-assy.
Bolts
Unscrew fixed bolts of motor (indicated by the
arrow) and then remove motor and bracket.
Note: Please mark relative installation location between
motor and fan to ensure enough length of motors
power cord from electric box after re-installation.
6. Take down the motor.
Unscrew holding bolt(indicated by the arrow) of motor
bracket with a wrench to separate motor and bracket.
Note: Please mark relative installation location between
motor bracket and motor before disassembly of motor to
avoid installation mistake upon re-installation of motor.