Gree EJ51000061, Руководство по обслуживанию

Страница: 84 / 132

82
Rooftop Packaged
Service Manual
Apply to20, 25, 30Ton:
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. 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.
2. Take out belt,belt
pulley and taper sleeve
Please refer to the content of“Disassembly and Assembly
of belt”and“Disassembly and Assembly of belt pulley”
3. Take out motor and
bracket sub-assy
Screws
Unscrew all screws fixing fans bracket (indicated by the
arrows),and then disassemble motor and bracket.
Note: Power cord may be fixed by bundles,so loose
the bundles before pulling power cord to air box side.
4. Take down the motor.
Nuts
Unscrew the nuts (indicated by arrows) to loosen
the connection between motor and bracket.
5. Re-install the motor.
Nuts
Re-assemble repaired or replaced motor. Installation
direction is the same as that during disassembly.
Then screw down the holding bolts with a wrench.
6. Re-install motor and
bracket sub-assy
Screws
During installation,screw the bolts indicated by arrows,but
not screw them too tightly ,so that the distance between
belt pulleys can be adjusted during installation of belt .
7. Re-install belt,belt
pulley and taper sleeve.
Please refer to the content of “Disassembly and Assembly
of belt” and “Disassembly and Assembly of belt pulley”