Dismantling procedure of Axial and Bifurcated fans Rosenberg

Place the fan in horizontal position.

Remove the bolt, locking washer and keeper plate from the motor shaft.

Remove the HEX nuts (2 numbers) from the impeller bush.

Use one of the hex nuts and tighten it to the center hole of the bush. This will

separate the impeller from the motor shaft.

Remove the impeller and hub assembly off the motor shaft

Remove the bolts and nuts (4 numbers) from the motor base

Remove motor from the fan case (Motor compartment)

Re-assembling of Axial and Bifurcated fans in Dismantling procedure of Axial and Bifurcated fans Rosenberg

Position the motor in its compartment

Slightly tighten with its bolts and nuts (4 numbers)

Fit the impeller and hub assembly on to the motor’s shaft

Insert the shaft key in its correct position

Tighten the impeller and hub assembly with its HEX nuts

Refit the bolt, locking washer plate into the motor shaft

Relocated the motor centrally to ensure each impeller tip and the inside face of the

fan case has a gap clearance (approximately. 3 to 8mm depending upon diameter)

Tighten the bolts and nuts on the motor’s base

Spin the impeller by hand to confirm free rotation

Check once again to ensure all the bolts and nuts are fully tighten

Note:

Alignment is not required as the impeller assembly is directed to the motor shaft

Always replace motor bearings if the fan is dismantle

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

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