Gree EJ51000061, Руководство по обслуживанию

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81
Rooftop Packaged
Service Manual
Apply to 20, 25, 30Ton:
Disassembly and Assembly of belt pulley
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 down the belt.
Please refer to the content of“Disassembly
and Assembly of belt”
2. Separate the belt
pulley and taper sleeve
Screws
Anticlockwise screw the 2 bolts indicated by arrows
with inner hexagon wrench,and then clockwise
screw down the other bolt. Make belt pulleys close
to motor and separate it from taper sleeve.
3. Take out the belt
pulley and taper sleeve.
Take out the taper sleeve with straight slot
screwdriver,and then the belt pulley.
Note: The sleeve has taper,so belt
pulleys must be taken out after it.
4. Re-install the belt
pulley and taper sleeve.
Screws
COPLANARITY
Put belt pulleys onto shaft and then put taper
sleeve. After that,cover the belt pulleys onto taper
sleeve. Clockwise screw down the 3 bolts.
Note: The sleeve has taper,so belt pulleys must
be installed first. Ensure the coplanarity of belt
pulleys,and adjust the tightness level of belt.
5. Re-install the belt.
Please refer to the content of“Disassembly
and Assembly of belt”