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USER’S MANUAL
CDF/CDFS SERIES
6. REPAIR
Replacing the impeller:
•
Remove the intake side protective grid and the tamper protection.
•
Remove the protective cover of the belt in Fig 1.
•
Loosen the tension of the belt drive in Fig 1.
•
Remove the drive belt in Fig 2.
•
On the side opposite of the drive, loosen the clamping screws of the ball bearings.
•
Loosen the inlet cone mounting screws on the drive side.
•
Remove the impeller together with the shaft from the drive side in Fig 3.
•
Loosen the clamping screw for the setting collar on the opposite side of the drive
and remove the setting collar from the shaft.
•
Pull the ball bearing o ffthe shaft in Fig 5.
•
Loosen the clamping screw for the setting collar on the impeller and remove the
setting collar.
•
Pull o ffthe impeller in Fig 6.
•
Install the new impeller.
•
Reverse the order for the installation.
•
Install the intake side protective grid, the tamper protection and the protective
cover of the belt.
Before any repairs are undertaken please:
•
Stop fan in accordance to regulations and disconnect all poles from mains supply.
•
Wait until impeller is stationary.
•
Make sure that a restart is not possible.
•
Only use original spare parts manufactured and supplied by Breeze Fan.
Replacing the motor:
•
Disconnect the wiring of the motor.
•
Remove the protective cover of the belt in Fig 1.
•
Loosen the clamping screws on the motor carriage in Fig 1.
•
Release the tension of the belt drive in Fig 2.
•
Remove the pulley from the motor shaft (for this, loosen the Allen screws on the
pulley and screw into the vacant holes. This will loosen the fit of the pulley on the
conical hub. Under no circumstances try to remove the pulley using a hammer or
similar tools) in Fig 3.
•
Loosen the mounting screws at the motor flange (if necessary, steady the motor)
and remove the motor in Fig 4.
•
Install the new motor.
•
Install the pulley on the motor shaft (the pulleys must be aligned properly). Clamp
the conical hub by tightening the Allen screws
•
Tighten the drive belt ( Maintenance)
•
Install the protective cover of the belt
•
Reconnect the wiring ( Installation)
Control whether installation is correct:
o
The impeller must turn freely ( Installation)
o
Control whether direction of rotation is correct.
( Installation)
o
The gap between impeller and casing must be regular.