National Vacuum Equipment 607 challenger series Replacement And Rebuild Manual - page 16
16
| 607 Challenger
Series
www.natvac.com | 800.253.5500
20 Remove the seals from the
endplates Inspect for dam-
age, the seals should be soft
and pliable
Clean the endplate as needed
Apply new lubricant along the
seal pilot in each of the end-
plates
The seals need to be installed
back to back The faces without
the oil groove should be touching
We recommend using a seal
driver tool to properly seat the
seals in the endplate Drive the
seals into the endplate
Repeat for both endplates
22 Install two (2) 3/8-16 threaded
dowels so that they can sup-
port the weight of the end-
plate for installation
Install one (1) new endplate gas-
ket between the housing and the
endplate, do not use any gasket
sealer
Carefully guide the endplate onto
the rotor and threaded rod seg-
ments
21 Lubricate the roller bearing
pilot in the endplate Using a
bearing driver, seat the roller
bearing into the endplate
Repeat for both endplates