National Vacuum Equipment 607 challenger series, Replacement And Rebuild Manual

Page 1: ...NationalVacuumEquipment MADE IN USA Vane Replacement Complete Rebuild Manual 607 Challenger Series Rotary Vane Vacuum Pumps...

Page 2: ...enger Series www natvac com 800 253 5500 2013 National Vacuum Equipment Inc Revision 5 Release March 2013 No part of this manual may be reproduced without the written permission of National Vacuum Equ...

Page 3: ...hallenger Series 3 www natvac com 800 253 5500 607 Challenger Owner s Record Date of Purchase _________________________ Purchased from __________________________ Serial Number ________________________...

Page 4: ...4 607 Challenger Series www natvac com 800 253 5500 Contents Introduction 5 General Information 5 Pump Rebuilding Vane Replacement 6 Complete Rebuild 10...

Page 5: ...ly basis We are a one stop shop for manufacturers and distributors of vacuum equip ment Our History National Vacuum Equipment Inc was founded in 1980 by Bruce Luoma The Company started as a retailer o...

Page 6: ...pump 2 Remove the oil line guard Disconnect all oil lines feeding from the oil pump Uninstall the oil pump from the rear bearing cover 3 Remove the four 4 bolts that hold the rear bearing cover to th...

Page 7: ...top two end plate bolts and replace with two 2 3 8 16 stud dowels or de headed bolts and then remove the remaining bolts 5 Fan Cooled Only Remove the fan shroud supports connecting the shroud tin to t...

Page 8: ...the vanes before installing in the rotor slots It is always a good idea to have a spare set of replacement vanes on hand to reduce pump downtime 9 Install one 1 new endplate gasket between the housin...

Page 9: ...he hex head bolts Reseat the outer bearing in the end plate pilot Tighten the endplate bolts to 35 40 ft lbs of torque At this point you should be able to turn the rotor by hand 11 Reinstall the oil p...

Page 10: ...off the exterior of the pump 2 Remove the oil line guard Disconnect all oil lines feeding from the oil pump Uninstall the oil pump from the rear bearing cover 3 Remove the four 4 bolts that hold the...

Page 11: ...ar endplate to the pump housing and replace with two 2 3 8 16 threaded dowels Once in place remove the lower six 6 3 8 hex bolts 5 Fan Cooled Only Remove the eleven 11 self tapping screws that fasten...

Page 12: ...to drive the hub apart with a screw driver in order to slide the fan assembly off of the rotor 10 Repeat step 6 to drop the rear end of the rotor down onto the cushion Fan Cooled Only Remove the six...

Page 13: ...e we recommend is 0 060 inches A new housing has a bore of 7 875 inches If you bore or hone the housing remove all connected accessories including the fan shroud 4 way valve gaskets etc 14 Clean the h...

Page 14: ...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 t...

Page 15: ...e into the housing cavity and out through the intake port Repeat for both ends of the rotor 18 Inspect the original vanes for any delamination chipping or other damage A new vane is flush with the out...

Page 16: ...sing 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 wei...

Page 17: ...epeat the process for the op posite endplate but make sure to install the T handle dowel pin on the same side of the hous ing as the other endplate so as to prevent the rotor from twisting when the en...

Page 18: ...ighten the fan hub screw Refer to step 9 for additional information 26 Reinstall the oil pump drive key in the non drive end of the rotor Use hardening gasket sealer on both sides of the oil pump gas...

Page 19: ...ks before putting it to work We test our pumps at 20 psi of pressure Put a 3 Male NPT plug in the exhaust port and a similar adapter that can connect to a controlled pressurized air supply in the inle...

Page 20: ...20 607 Challenger Series www natvac com 800 253 5500 P O Box 685 Traverse City MI 49685 USA 231 941 0215 Phone 231 941 2354 Fax National Vacuum Equipment Inc...