National Vacuum Equipment 607 challenger series Replacement And Rebuild Manual - page 14
14
| 607 Challenger
Series
www.natvac.com | 800.253.5500
16 Clean the rotor and rotor slots
and inspect the rotor for wear
or damage
Place the clean rotor inside the
housing with the drive end in the
same orientation it originally was
This will be the side you tagged in
step 11 of this procedure
17 (Continuation of Step 15)
Remove the two (2) inner
races from the replacement
bearings provided in your
repair kit
Place the inner races onto a hot
plate and get them hot Do not
leave them on the plate so long
that they become discolored
Use a welding glove to take the
hot inner race from the hot plate
and slide it onto the rotor shaft
The bearing race shoulder
should be tight against the seal
sleeve
Install on both sides of the rotor
Allow ample time for the inner
races to cool and set onto the
rotor before continuing