Dismantling of fan motor Rosenberg
Remove the cooling fan cover at non drive end (NDE) (3 to 6 nuts)
Remove the bolt on the cooling fan (NDE)
Remove the cooling fan’s impeller
Remove the bolts (4 numbers) on the bracket (NDE)
Remove NDE bracket
Remove the bolts (4 numbers) on the drive end (DE) bracket
Pull the motor shaft at DE to remove the bracket, rotor and bearings out of the motor
case
Separate the drive end (DE) bracket and rotor
Remove oil seal and pre-load washer
Remove the bearings by using bearing puller (When necessary)
Note:
Care must be exercised in dismantling & re- assembling. Carelessness can cause
Re-assembling of fan motor in Dismantling of fan motor Rosenberg
Replace new bearings to the rotor
Replace gaskets and oil seal
A reversal of the above procedures to re-assembling the motor
Tighten all fixing screws evenly
Rotate the shaft to ensure freedom
If the shaft locked or stiff, loosen the bracket bolts then re-tighten them
Note:
Never tighten the bolts individually
Always replace gaskets and oil seals
Alignment is not required when changing bearings
The contact addresses are to be found in the attachment, or else please phone +49 (0)7940 / 0917 186 894 or email toinfo@rosenberg.com.vn