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| Defender 500

www.natvac.com | 800.253.5500

C O N T E N T S

Limited Warranty ��3

Warranty ��3

Defender 500��7

General Suggestions ��7

Technical Data and Performances ��7

Pump Specifications ��8

Drive System ��9

Factory Settings ��9

Operating Instructions ��11

Recommended Lubricant �� 11

Maintenance ��12

Check Vane Wear ��12

Cold Weather Operation ��12

Troubleshooting �� 13

Pump overheats ��13

Pump doesn’t turn ��13

No vacuum��14

Vacuum/Pressure Changeover Valve ��15

Pump Layout ��16

Vacuum Lines ��16

Technical Dimensions ��17

Parts Diagram ��18

Parts List ��19

Содержание Defender 500

Страница 1: ...1 www natvac com 800 253 5500 Defender 500 Owner s Record Date of Purchase _________________________ Purchased from __________________________ Serial Number ____________________________ National Vacuum Equipment Inc ...

Страница 2: ... Pump Specifications 8 Drive System 9 Factory Settings 9 Operating Instructions 11 Recommended Lubricant 11 Maintenance 12 Check Vane Wear 12 Cold Weather Operation 12 Troubleshooting 13 Pump overheats 13 Pump doesn t turn 13 No vacuum 14 Vacuum Pressure Changeover Valve 15 Pump Layout 16 Vacuum Lines 16 Technical Dimensions 17 Parts Diagram 18 Parts List 19 ...

Страница 3: ...period shall begin the day the product is shipped from our warehouse unless we are provided with an authentic copy of the original resale invoice in which case the one 1 year period shall begin at such invoice date 3 The covered product must be used in an application for which it was intended We do not recommend our product for particular uses or applications 4 Vane breakage or damage caused by va...

Страница 4: ...sibility NVE goes to great lengths to ensure the quality and proper functionality of the products it sup plies Many products we supply are purchased for resale or are impossible or impractical to test prior to the installation of the item in a vacuum system It is therefore the responsibility of the final assembler to thoroughly test the vacuum system and components supplied to the assembler by NVE...

Страница 5: ...period Customer must receive a return goods authorization RGA before returning product All serial numbered products must retain the NVE serial number tag to be qualified for warranty Product must be returned to NVE intact for inspection before warranty will be honored Product must be returned to NVE freight prepaid in the most economical way Credit will be issued for material found to be defective...

Страница 6: ..._______ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ ________...

Страница 7: ...d for extended operation Ordinary and extraordinary maintenance has to be done while the unit is stopped and the drive disconnected Repairs on plumbing have to be done after disconnecting pressure vacuum from the same Never start the pump if adequate safety devices are not installed Damaged safety equipment must be immediately replaced Be aware that the pump s body can reach temperature of over 28...

Страница 8: ...stem pumps used to pressurize are for non continuous duty Overheating the pump will cause serious damage to the pump and or rotor seizure In order to maximize efficiency of the ballast air cooling system the filters must be kept clean Air Flow CFM free air 310 Air Flow CFM 60 vacuum 257 Max vacuum 92 Max absolute pressure PSI 21 8 Weight LBS 397 Oil consumption g h drops min total 135 80 Remote Oi...

Страница 9: ...mined prior to ordering the pump Drive System ______________________________________________________ Direction of Rotation ___________________________________________ 7 The drive can be by cardan shaft belts and pulley or by hydraulic motor The cardan shaft must be mounted so that it does not create any axial thrust the inclination of the shaft must not exceed 15 see fig 2 The alignment between th...

Страница 10: ...age Checking ______________________________________________ The automatic lubrication pumps are set at the factory during pump testing and should require no further adjustment during pump installation The pump should consume 12oz 15oz of oil per hour Please contact us if oil usage is outside of these parameters It is the responsibility of the installer to ensure proper vacuum relief settings press...

Страница 11: ...normal motor oil thereby avoiding the problems associated with motor oil such as lacquering and excessive wear Acceptable oils include 1 NVE ISO 68 Oil 2 Penzoil Penzabell 68 T O 3 Shell Turbo 68 4 Mobil D T E Heavy Medium 5 Texaco Regal R O 68 NVE ISO 68 Oil is our recommended pump oil for the Challenger series vacuum pumps Challenger Vacuum Pump Oil is sold by the case six 1 gallon containers of...

Страница 12: ...be Continue turning the shaft until the checking rod falls inside a vane groove touching the vane Mark the rod a second time If the distance between the two marks exceeds 3 16 the vanes must be replaced Once finished the checking procedure replace the plug of fig 3 Vanes should be replaced in sets and it is always a good idea to have an extra set of vanes on hand for emergencies Figure 3 Maintenan...

Страница 13: ... pump is frozen thaw it If the pump is frozen thaw it out by heating the bottom of the pump with a torch or move the truck into a heated building Avoid freezing problems You can avoid freezing problems by putting a small amount of diesel fuel into the pump at the end of the day Cold Weather Operation ________________________________________ ...

Страница 14: ...stment as described Oiler s pin not sealing Clean the related seat Cause Correction Broken vanes due to suction of Dismount the pump and replace damaged parts foreign objects damaged parts Check primary or bad lubrication shut off and lubrication system Frozen pump Unfreeze the vacuum pump Damaged drive system Check and replace damaged parts Flange bolts too tight Loosen the bolts TROUBLESHOOTING ...

Страница 15: ...e valve Worn lip seals Replace the seals Blocked vacuum pump See previous instructions Leaking of the gate valves on the tank Tighten the valves Leaking of the seals on the tank Repair or replace the seals Primary shut off blocked Dismount and clean the parts Clogged connecting pipeline Clean the metal pipelines or replace the rubber ones No vacuum _________________________________________________...

Страница 16: ...ndary Shutoff 4 Silencer and Oil Catch Muffler 5 Vacuum Pump 6 Safety Relief Valve The mounting of a secondary shutoff pos 3 is suggested in between the pump and the tank for protecting the vacuum pump A silencer pos 4 is suggested in order to reduce sound level 6 5 3 6 1 2 6 6 4 P U M P L AY O U T ...

Страница 17: ...ender 500 17 www natvac com 800 253 5500 F F G G 6 890 11 170 11 417 5 275 31 617 8 751 3 000 3 150 16 879 8 195 21 726 SECTION F F SECTION G G 1 499 1 375 1 289 375 SQ 3125 SQ 1 201 9 815 4 908 752 13 000 ...

Страница 18: ... M8 x 40 Flat Point 1 307 SHCS 1_4 20 UNC X 0 75 SHCS 1_4 20 UNC X 0 75 2 308 ACCESSORIES LIST PACKAGE SEPARATELY SEE NOTE 11 DESCRIPTION PART NUMBER UOM QTY ITEM PIN T HANDLE 250 X 4 120 0T5 EA 2 201 FITTING 1 4 TUBE X 1 8 NPTF WORLD 320 005 EA 1 202 OIL LINE 1 4 OD X 3 16 ID PFA 320 407 002 FT 5 203 FILTER OIL TANK PLASTIC 320 083 001 EA 1 204 OIL TANK 5QT W LOGO 320 082 001 EA 1 205 50 49 51 52...

Страница 19: ...231 941 TOLERANCES UNLESS OTHER WISE SPECIFIED One place X 1 Two places XX 01 Three places XXX 005 Angles 1 All machined surfaces 125 RMS max Remove all burrs and sharp edges CAD drawing NO manual changes All dimensions in inches unless specified This document may contain confidential trade secret information which is the exclusive property of National Vacuum Equipment Any information on this draw...

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