OPERATION AND MAINTENANCE MANUAL
MAC-HS MOTORS
PAGE: 56
CODE: CTT32 EDITION: 04 RELEASE: SEPTEMBER 2020
Subject to technical changes without prior notice
7.
Remove the bushing.
Figure 20: Replacing bearings on MAC-HS motors (step 6)
8.
Remove the bearing from the shaft using a thrust extractor and taking care not to damage the shaft, pushing it with the
corresponding bushing.
Figure 21: Replacing bearings on MAC-HS motors (step 8)
9.
Heat the new pair of bearings to 70°C to make them dilate and easier to insert in the shaft.
10.
Insert the new bearings in the axle, taking into account their positioning as regards each other (same as the previous
assembly). The hot bearings must be inserted fully up to the extractor ring without the need for hitting them. This
operation must be performed as quickly as possible. Do not let the bearing cool down.
11.
Refit the front bushing on the rotor and attach the seal to it.
12.
Re-insert the rotor in the stator, taking care not to damage the windings.
13.
Fit and bolt the front bushing on the Drive End shield.
14.
Refit the motor accessories.
Содержание MAC-HS 100
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