Nordson HORIZON 200, Руководство по эксплуатации продукта

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Repair
7-23
Part 106913 − 04
E
2018 Nordson Corporation
Fan Shaft and Bearing Replacement
Bearing Types
The design of the bearings has been updated. Refer to the following table
to determine which type of bearings are in your system. If you order new
bearings, you will receive the new style.
Old Style
Part 177622 Rev A
New Style
Part 177622 Rev B or higher
The old-style bearings use set
screws to hold the inner bearing
race to the fan shaft
The new-style bearings use a split
adapter sleeve and lock nut to hold
the inner bearing race to the fan
shaft
Fan Shaft and Bearing Removal
See Figure 7-11.
1. Remove the inlet cone and fan as described in the Fan Replacement
procedure. Remove the V-belts from the fan sheave as described in the
V-Belt Replacement procedure.
2. Loosen both inner bearing races and pull the fan shaft (1) out of the
bearings (2, 9).
S
Old Style:
Loosen the top and bottom bearing-race set screws.
S
New Style:
Loosen the lock nut around the fan shaft.
3. If you are replacing the shaft, remove the fan sheave, bushing, and key
from the shaft as described in the Sheave Replacement procedure.
4. If you are replacing the bearings, disconnect the grease tubing (3) from
the tube fittings (4). Remove the screws (5), washers (6, 7), and
nuts (8) securing the bearings to the vertical supports.
NOTE:
Replace the bearings with the ones listed in the Parts section only.
Do not use unapproved bearings.
5. Remove the tube fittings from the old bearings. Remove the grease
fittings from the new bearings and install the tube fittings in their place.