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  | WPT Series

www.natvac.com  |  800.253.5500

6.  Manufacturer’s liability under this or any other warranty, 

whether express or implied, is limited to repair of or, at 

the manufacturer’s option, replacement of parts which are 

shown to have been defective when shipped

7.  Manufacturer’s liability shall not be enforceable for any 

product until National Vacuum Equipment, Inc. has been 

paid in full for such product.

8.  Except to the extent expressly stated herein, manufac-

turer’s liability for incidental and consequential damage is 

hereby excluded to the full extent permitted by law.

9.  Manufacturer’s liability as stated herin cannot be altered 

except in writing signed by an officer of National Vacuum  

Equipment, Inc.

10.  Certain products provided by National Vacuum Equipment, 

Inc. are covered by their respective manufacturer’s warran-

ties (e.g., engines used in the NVE engine drive packages).  

These products are not covered by the National Vacuum 

Equipment, Inc. Manufacturer’s Warranty.

11.  Final assemblers responsibility.  NVE goes to great lengths 

to insure the quality and proper functionality of the products 

it supplies.  Many products we supply are purchased for 

resale or are impossible or impractical to test prior to the in-

stallation 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 prior to the delivery of the final product to the end 

user.

12.  Not responsible for pump coupling tightness or alignment.  

Customer needs to inspect periodically to ensure proper 

alignment and to check tightness of set screws.

Содержание WPT 480/P

Страница 1: ...Owner s Manual Operating Instructions WPT 480 P WPT 600 P WPT 720 P National Vacuum Equipment Inc ...

Страница 2: ...ase March 2011 No part of this manual may be reproduced without the written permission of National Vacuum Equipment Inc WPT 480 P WPT 600 P WPT 720 P Owner s Record Date of Purchase _________________________ Purchased from __________________________ Serial Number ____________________________ ...

Страница 3: ...nstructions Installation 15 Automatic oil pump 16 Adjusting the automatic oil pump 16 Recommended lubrication 17 Normal operation for liquid cooled pumps 18 Maintenance 19 Determining the rotation of the pump 19 WPT Pump Cooling System WPT Pump Cooling System 20 Troubleshooting Pump overheats 21 Too much oil use 21 Pump doesn t turn 22 No vacuum or pressure in tank 22 Pump Rebuilding Complete rebu...

Страница 4: ...umps Parts Diagram 34 Parts List 35 Four Way Valve Assembly Four Way Valve Diagram and Parts List 37 Lubrication Cooling Systems WPT 480 P WPT 600 P WPT 720 P 38 WPT 480 PW WPT 600 PW WPT 720 PW 39 Lubrication Cooling System Parts 40 Automatic Oil Pumps3 4 43 Index ...

Страница 5: ...om a qualified dealer you have hired a team of vacuum experts We stand ready to work with your dealer to answer your questions and provide you with the information necessary to keep your equipment in peak working condition Thank you for using National Vacuum Equipment OUR MISSION We are dedicated to the manufacture and wholesale distribution of quality vacuum system products at a reasonable price ...

Страница 6: ...lve into its current status as a wholesale supplier To reach the goal of becoming a full service supplier of vacuum system components the Company began fabricating its own line of componentry purchased and developed its own line of vacuum pumps and began purchasing for resale various valves and accessories Today NVE has full service machine and fabrication shops complete with CNC controlled produc...

Страница 7: ...d We do not recommend our product for particular uses or applications National Vacuum Equipment Inc Guarantees that the product it provides is free of manufacturer s defects including materials and workmanship Properly installed and maintained product is warranted for a period of one 1 year subject to the following conditions 1 A properly completed warranty registration card must be received by us...

Страница 8: ...ertain products provided by National Vacuum Equipment Inc are covered by their respective manufacturer s warran ties e g engines used in the NVE engine drive packages These products are not covered by the National Vacuum Equipment Inc Manufacturer s Warranty 11 Final assemblers responsibility NVE goes to great lengths to insure the quality and proper functionality of the products it supplies Many ...

Страница 9: ...y Procedures Should a potential warranty situation arise the following procedures must be followed Contact your dealer or NVE immediately upon the occurrence of the event and within the warranty 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 return...

Страница 10: ...10 WPT Series www natvac com 800 253 5500 ...

Страница 11: ...m 25 25 25 Max Intermittent Vacuum 28 28 28 Max Continuous Pressure 28 25 25 Max Intermittent Pressure 30 30 30 Pump Drive Rotation CW CCW CW CCW CW CCW Porting Size 3 inch 3 inch 3 inch Manifold With Four Way Valve Std Std Std End Thrust Protection Std Std Std Bearings Sealed From Pump Interior Std Std Std Anti Spin Check Valve Std Std Std Automatic Lubrication System Std 2 pt Std 3 pt Std 4pt Oi...

Страница 12: ...M HP CFM H P CFM 25 51 312 39 235 31 176 20 42 318 32 246 26 191 15 35 331 27 256 20 200 10 27 346 20 270 16 211 5 19 361 15 285 11 226 0 12 385 9 323 6 247 3 13 380 10 308 7 244 6 15 374 11 297 8 235 9 16 364 12 288 9 226 12 18 355 13 285 10 214 15 19 340 14 267 11 198 18 21 324 16 250 12 182 21 22 303 17 232 13 158 24 24 272 18 203 15 117 27 26 193 20 144 16 85 PRESSUREPSI VACUUM INCHESOFMERCURY...

Страница 13: ...structed of cast iron with free sliding vanes made of special nonmetallic heat resistant material Vanes wear evenly because tips always remain in contact with the wall surface For maximum life and proper performance we recommend the use of our compatible components Portal Shutoff F 800 LC 8 3 and Moisture Trap F 901B ...

Страница 14: ...14 WPT Series www natvac com 800 253 5500 ...

Страница 15: ...s should be used in installation It is important to use flat washers and lock washers We recommend the use of oil resistant hose on both the inlet and outlet sides of the pump If using direct drive system always use a flexible coupling We recommend the use of Woods Sure Flex Couplers The drive mechanism should be suitable for the horsepower required to drive the pump Because WPT pumps are fitted w...

Страница 16: ...e pump to escape Then retighten the thermometer A 2 pressure relief valve and a 1 vacuum relief valve have been shipped with your pump and need to be mounted on the top of the pump Automatic oil pump The automatic oil pumps are set at the factory during pump testing and should require no further adjustment during pump installation The pumps are adjusted to one drop every two seconds per outlet Thi...

Страница 17: ...ump of oil Recommended lubrication We recommend that turbine grade oil be used in all our pumps Turbine oil is more highly refined than motor oil and is much less likely to create carbon Turbine oil is available from your local oil distributor Below is a list of acceptable oils Penzoil Penzabell 68 T O Shell Turbo 68 Mobil D T E Heavy Medium Recommended Lubricant We recommend that turbine oil be u...

Страница 18: ...her vacuum or pressure Center it for neutral 7 We recommend periodic cleaning of your pump To do this remove the suction line from the pump Move the suction valve to neutral run the pump at an idle and pour into the pump intake one pint of diesel fuel Allow the pump to run a short time move the suction valve to vacuum and blow our the diesel fuel and dirt Move the suction valve to neutral and pour...

Страница 19: ...g on operation Normal vane life is approximately 2000 hours however this will vary greatly with temperature material being pumped and proper maintenance Occasionally liquid and dirt may enter the pump causing vanes to stick in the rotor slots along with excessive vane and housing wear When this occurs you must clean the inside of the pump Determining the rotation of the pump As one faces the drive...

Страница 20: ...se vacuum pumps generate large amounts of heat during operation consideration of pump cooling is very important If you are installing a liquid cooled pump follow the pump manufacturers recommendations for pump cooling Make sure all guards are in place With liquid cooled pumps it is a good idea to install shutoff valves in the water lines ...

Страница 21: ...480 P WPT 600 P WPT 720 P Pump overheats Inlet water temperature too high Inadequate water flow No oil in pump Oil adjustment set too lean RPM too fast Prolonged operation Too much oil use Oil adjustment set too rich Oil seals defective Cracked pump body Pump doesn t turn Broken vane Frozen Pump endplate bolts too tight Faulty PTO or drive set up ...

Страница 22: ...t Faulty PTO or drive set up No vacuum or pressure in tank Suction valve in neutral Defective seal or vanes Pump not driven fast enough Check valve or suction line clogged Leak in tank or fittings Pump Rebuilding WPT 480 P WPT 600 P WPT 720 P Please read these instructions completely before attempting repair Complete rebuild ...

Страница 23: ...ngs Pump Rebuilding WPT 480 P WPT 600 P WPT 720 P Please read these instructions completely before attempting repair 1 Remove the drain plug on the bottom of the rear endplate 2 Remove the oil lines from the oil pump The oil lines are self locking Complete rebuild ...

Страница 24: ...rd the fitting while pulling the oil line out of the fitting 3 Remove the coolant line from the rear endplate 4 Remove the bolts holding the water pump to the endplate and remove the water pump assembly Make sure not to lose the pump drive tab For pumps without the built in water pump simply remove the bearing cover with the oil pump attached ...

Страница 25: ...WPT Series 25 www natvac com 800 253 5500 Note the number of gaskets The WPT pumps are equipped with roller bearings so no special pullers are required Place a pan under the endplate to catch escaping ...

Страница 26: ...nt bearing cover and coolant line 8 Use a block or wood or heavy cardboard to cushion the rotor 9 Place a mark on the front endplate and on the front of the housing for identification purposes Support the front end of the rotor and remove the endplate bolts Lower the rotor to the bottom of the housing ...

Страница 27: ...0 inches The maximum overbore recommended is 060 inch Thoroughly clean the housing and scrape off the old endplate gaskets The side cover gaskets are usually not removed during a normal rebuild 12 Thoroughly clean the rotor paying particular attention to the slots Inspect the rotor for nicks or burrs and remove as necessary When you are finished the vanes should slide freely in the slots 13 Lubric...

Страница 28: ...n the proper end of the housing 14 Remove the bearings and seals If your intention is to reuse the bearings carefully drive the bearings out using a small hammer and punch Work the bearing out slowly They can be easily damaged Thoroughly clean the endplate and scrape off any remaining gasket material Make sure the oil passage through the endplate is clear ...

Страница 29: ... should be driven to the bottom of the endplate Each bearing should be driven until it makes contact with the bottom of the endplate The bearings are of different thicknesses which is apparent upon inspection Make sure you are installing them in the proper endplate The heavier bearing goes into the drive endplate ...

Страница 30: ...ubricate the front seal sleeve seals and bearing 18 Slide the rotor into the housing making sure the input shaft is protruding from the drive end of the housing Install the cushion used earlier in the non drive end 19 Install the same number of endplate gaskets on the housing and slide the drive endplate onto the drive end of the rotor ...

Страница 31: ...is facing out of the rotor 22 Apply sealer to the rear endplate and housing and install the proper number of gaskets on the rear of the housing Important Make sure the water passage hole on the gasket is lined up with the water passage hole in the housing 23 Slide the rear endplate on to the rotor Raise the assembly up and install the endplate bolts When the endplate is nearly touching the housing...

Страница 32: ...honed or bored your housing 24 Seat the bearings front and rear 25 You should now be able to turn the pump by hand 26 Clean the front bearing cover and replace the seal Lubricate the seal and rotor Use sealer on the gasket and install the bearing cover on the front endplate 27 Using an oil squirt can pump six squirts into the bearing cavity through the oil fitting Reinstall the oil line ...

Страница 33: ...plate 29 Reinstall the oil lines at the oil pump Make sure the lines going to the bearings are attached to the same side of the oil pump to ensure equal oiling to each bearing If the oil lines leak trim the ends with a razor knife to get a clean end Insert the line into the fitting and pull back to seat the line on to the fitting Tighten the coolant fitting to the endplate and the water pump 30 Re...

Страница 34: ...34 WPT Series www natvac com 800 253 5500 National Vacuum Equipment Inc Parts Diagram WPT 480 P WPT 600 P WPt 720 P ...

Страница 35: ...480 WP7Vane 600 WPT7 4 Vane 720 WPT7 6 Vane 720 W11 Bolt m8x16 W13Gasket W17Washer 10 W18 P Seal 65x85x10 W19Bolt m8x20 Part Description W20 Washer 18 W53 Cover 480 WP53 Cover 600 WPT53 Cover 720 W54 Gasket 480 WP54 Gasket 600 WPT54 Gasket 720 W81 PN Seal 45 62 10 W83 F Rear Endplate W84 Gasket W85 Bolt m1x70 W86 Bearing NJ2309 W93 Bearing NJ309 W95 Bearing Cover W96 Front Endplate W97 Key 10x8x80...

Страница 36: ...___ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ...

Страница 37: ...253 5500 Four Way Valve Assembly WPT 480 WPT 600 WPT 720 Part Description W17Washer W20Washer W34Bolt m 8x25 W40Seal 35 50 7 W74O Ring W774 Way Valve Housing W784 Way Valve Cover W79Gasket W80Bolt m 10x45 W87Air Horn W88Flange Clamping ...

Страница 38: ...38 WPT Series www natvac com 800 253 5500 Lubrication Cooling System WPT 480 P WPT 600 P WPT 720 P ...

Страница 39: ...WPT Series 39 www natvac com 800 253 5500 Lubrication Cooling System WPT 480 PW WPT 600 PW WPT 720 PW ...

Страница 40: ...1 B Oil Line Protector Tube 720 R2 Dripper R3 Fitting R7 Brass Coolant Line R8 Bolt m6x12 R9 Bracket R10 Hose R10 A Hose R10 B Hose Part Description R12 Hose R13 Hose R13 A Hose R15 90 Fitting R16 Hose R19 Washer R20 Oil Fill Cap R23 Brass Coolant Line R26 Key m5x6 R28 Ring R30 Bolt R31 Gasket R32D Oil Pump 480 CW R32S Oil Pump 480 CCW R32AD Oil Pump 600 CW R32ASOil Pump 600 CCW R32BD Oil Pump 720...

Страница 41: ...r 480 Oil R53 A Cover 600 Oil R53 B Cover 720 Oil R54 Sight Tube R59 Snap Ring R60 Seal 15x26x7 R64 O Ring R65 Impeller Cover R66 Spacer 20x28x2 R67 Drive Tab R68 Tube Part Description R69 Washer 8 R70 Bolt m8x20 R71 Coolant Tube R72 Elbow R73 Filter R74 Washer 1 2 gas R75 Adapter R76 Washer 1 8 gas R77 Distribution Block R79 Bolt 1 8 x30 R89 Shaft R90 Packing R91 Snap Ring R92 Washer R93 Water Pu...

Страница 42: ...___ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ...

Страница 43: ...WPT Series 43 www natvac com 800 253 5500 Automatic Oil Pump WPT 480 WPT 600 WPT 720 See Parts List on page 45 One and Two Outlet Type ...

Страница 44: ...44 WPT Series www natvac com 800 253 5500 Automatic Oil Pump WPT 480 WPT 600 WPT 720 See Parts List on page 45 Three and Four Outlet Type ...

Страница 45: ...Pump 600 CW R32AS Oil Pump 600 CCW R32BD Oil Pump 720 CW R32BS Oil Pump 720 CCW P1CW Pump Body 1 Outlet CW P1CCW Pump Body 1 Outlet CCW P2CW Pump Body 2 Outlet CW P2CCW Pump Body 2 Outlet CCW P3CW Pump Body 3 Outlet CW P3CCW Pump Body 3 Outlet CCW P4CW Pump Body 4 Outlet CW P4CCW Pump Body 4 Outlet CCW P5 Driven Gear CW PA 5 Driven Gear CCW P6 Spring P7 Driving Gear Long Shaft CW P7CCW Driving Gea...

Страница 46: ... s warranties 9 Moisture Trap F 901 13 Muffler 15 O Oil 19 Oil adjustment 21 Oil lines 7 28 Oil pump 7 16 Oil pump shaft 28 Oil rate 16 Oil reservoir 18 Oil tank capacity 11 Oil turbine grade 18 Oil using too much 21 Oiler 18 20 Operation normal 18 Outboard bearing 34 Overheating 21 Owner s Record 1 P Parts List 37 40 42 46 Performance 12 Piston 17 Portal F 801 13 Porting size 11 Pressure continuo...

Страница 47: ...e _ _ ______________________________________________ Purchased From ____________________________________________________________________________________________ __________________________________________________________________________________________________________ Is this your first National Vacuum Equipment pump purchase o YES_ o NO Previous pump used __________________________________________...

Страница 48: ...800 253 5500 BUSINESS REPLY MAIL FIRST CLASS PERMIT NO 146 TRAVERSE CITY MI NO POSTAGE NECESSARY IF MAILED IN THE UNITED STATES POSTAGE WILL BE PAID BY ADDRESSEE NATIONAL VACUUM EQUIPMENT INC P O BOX 685 TRAVERSE CITY MI 49685 0685 ...

Страница 49: ... intermittent 11 Vacuum none in tank 22 Valve changeover 19 Valve check 22 Valve four way 11 Valve pressure relief 19 Valve suction 18 Vane 13 19 21 Vane breakage 8 Vane life 19 Vane replacement 23 29 Vane wear 18 Vanes 25 30 33 Vanes chipped or delaminated 25 30 W Warranty 7 Warranty procedure 9 Washers 15 Weight 11 Woods Sure Flex Couplers 15 ...

Страница 50: ...___ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ...

Страница 51: ...___ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ...

Страница 52: ...52 WPT Series www natvac com 800 253 5500 2670 Aero Park Drive Traverse City MI 49686 USA 231 941 0215 Phone 231 941 2354 Fax sales natvac com www natvac com 800 253 5500 National Vacuum Equipment Inc ...

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