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18

| MEC 5000, 6500 & 8000/P

www.natvac.com | 800.253.5500

Testing flow rate after adjustment

1. Observe oil drip rate in oil view meter or oil line to ensure

adequate lubrication.

2. Adjustments should be done gradually so as not to starve

the vacuum pump of oil.

Recommended lubrication

We recommend that turbine grade oil be used in all our pumps. Tur-

bine oil is more highly refined than motor oil and is much less likely

to create carbon. Turbine oil is available from your local oil distribu-

tor. Below is a list of acceptable oils.

• Penzoil Penzabell 68 T.O.

• Shell Turbo 68

• Mobil D.T.E. Heavy – Medium

• Texaco Regal R.N.O. 68

Normal operation for air cooled pumps:

1. Check

oil reservoir daily and fill as required.

2. When pump is in operation check oiler to insure flow of oil

to pump.

3. Do not operate pump faster than recommended RPM.

4. To operate suction valve on top of pump, move handle in

the appropriate direction for either vacuum or pressure;
center it for neutral.

5. We recommend checking vane wear every twelve months.

A new vane is nearly flush with the rotor. Measure the
wear and if is over 1/4” we recommend replacing vanes.
It’s good to always keep a spare set of vanes on hand for
emergencies.

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Содержание MEC 5000

Страница 1: ...Owner s Manual Operating Instructions MEC 5000 P MEC 6500 P MEC 8000 P National Vacuum Equipment Inc ...

Страница 2: ...0 6500 8000 P www natvac com 800 253 5500 2009 National Vacuum Equipment Inc Revision 1 release June 2010 No part of this manual may be reproduced without the written permission of National Vacuum Equipment Inc ...

Страница 3: ...0 8000 P 3 www natvac com 800 253 5500 MEC 5000 P MEC 6500 P MEC 8000 P Owner s Record Date of Purchase _________________________ Purchased from __________________________ Serial Number ____________________________ ...

Страница 4: ...4 MEC 5000 6500 8000 P www natvac com 800 253 5500 ...

Страница 5: ...ations 10 Performance 11 System Requirements 12 Operating Instructions Installation 13 Lubrication procedure 14 Automatic oil pump 14 Adjusting the automatic oil pump 15 Recommended lubrication 16 Normal operation for air cooled pumps 16 Maintenance 17 Determining the rotation of the pump 18 Troubleshooting Pump overheats 19 Too much oil use 19 Pump doesn t turn 19 No vacuum or pressure in tank 19...

Страница 6: ...lacement 20 Complete rebuild 26 Parts List MEC P Series Pumps Parts List 32 Parts Diagram 34 Ballast Check Valve Parts List 35 Ballast Check Valve Diagram 35 Parts Details Lubrication Systems Automatic Lubrication System 36 Automatic Oil Pump 40 Gear Type Lubrication System 42 ...

Страница 7: ...rice and delivered on a timely basis NVE is a one stop shop for manufacturers and distributors of vacuum equipment Our History National Vacuum Equipment Inc was founded in 1980 by Bruce Luoma NVE started as a retailer of vacuum pumps Soon after it started NVE secured the rights to exclusive distribution of the Battioni vacuum pumps in North America This allowed NVE to evolve into its current statu...

Страница 8: ...he one 1 year 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 damag...

Страница 9: ...y the National Vacuum Equip ment 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 installation of the item in a vacuum system It is therefore the responsibil ity of the final assembl...

Страница 10: ...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 11: ...___________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ ____...

Страница 12: ...00 800 1400 800 1400 Max Air Flow CFM 195 250 285 Max Intermittent Vacuum 27 27 27 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 Oil Tank Capacity Quarts 2 1 2 3 1 4 4 Bearings Sealed From Pump Interior Std Std Std Anti Spin Check Valve Std Std Std Automatic Lubrication System Opt Opt Opt Net W...

Страница 13: ...0 HP CFM HP CFM H P CFM 25 30 224 26 188 22 156 20 27 228 22 192 18 160 15 22 232 18 197 15 163 10 18 237 14 204 12 167 5 13 242 12 212 8 170 0 10 250 8 220 6 180 3 10 248 8 218 6 177 6 11 246 9 216 7 172 9 11 244 9 214 7 170 12 12 240 10 210 8 167 15 12 236 11 202 8 162 18 13 230 11 196 9 158 21 13 220 12 185 10 150 24 14 205 12 175 10 140 27 15 180 13 145 11 110 30 34 220 28 184 24 152 Pressure ...

Страница 14: ...h free sliding vanes made of special nonmetallic heat resistant material Because vanes are nonmetallic flammable fluids may be handled without danger 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 F 801 and Moisture Trap F 901 ...

Страница 15: ...firm flat surface Grade 5 bolts 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 If a muffler is used on discharge side of pump inlet and outlet of muffler must be at...

Страница 16: ...using with SAE 90 gear oil Remove plastic cap on air inlet and pour 2 oz turbine oil into pump Start pump slowly and with valve in suction position pour 2 oz turbine oil into air inlet At this point oil should be visible in the dripper or oil lines Adjust dripper flow to 1 drop every 2 seconds Dripper will be shipped loose or taped to the bottom of the changeover valve handle Automatic oil pump Th...

Страница 17: ...roke of the piston 1 To adjust the oil rate remove cap P16 Under this cap you will find a jam nut P15 and adjusting screw P11 2 To adjust oil rate loosen jam nut and turn adjusting screw clockwise to reduce oil flow or counterclockwise to increase oil flow 3 When making adjustments do so one turn of the screw at a time and test before making further adjustments 4 Be careful to not turn adjusting s...

Страница 18: ...low is a list of acceptable oils Penzoil Penzabell 68 T O Shell Turbo 68 Mobil D T E Heavy Medium Texaco Regal R N O 68 Normal operation for air cooled pumps 1 Check oil reservoir daily and fill as required 2 When pump is in operation check oiler to insure flow of oil to pump 3 Do not operate pump faster than recommended RPM 4 To operate suction valve on top of pump move handle in the appropriate ...

Страница 19: ...00 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 Cleaning the inside of the pump Remove air inlet hose or pressure relief valve Run pump at an idle with the ch...

Страница 20: ...ar exceeds 1 4 the vanes should be replaced It is a good idea to have an extra set of vanes seals and gaskets on hand at all times Determining the rotation of the pump As one faces the drive end of the pump For 1000 RPM pumps with the oiler on the right side the pump shaft turns clockwise For gear driven pumps 540 RPM with the oiler on the right side the pump shaft turns counterclockwise If you mu...

Страница 21: ...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 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 ...

Страница 22: ...0 6500 8000 P www natvac com 800 253 5500 Pump Rebuilding MEC 5000 P MEC 6500 P MEC 8000 P Please read these instructions completely before attempting repair Vane replacement 1 Clean off the exterior of the pump ...

Страница 23: ... oil pump drive key from the end of the rotor 4 Remove the six bolts that attach the endplate to the pump Secure two 10x50mm bolts to screw into pull holes Screw the bolts into the pull holes evenly and pull off the endplate If you cannot locate 10x50mm bolts you can use the endplate bolts and shim behind the endplate as the endplate comes off ...

Страница 24: ...nd replace as necessary A new vane is flush with the outside diameter of the rotor If they are worn more than 1 4 they should be replaced We recommend replacing vanes in sets If the ends of the vanes are chipped or delaminated they should be replaced The seals should be soft and pliable The bearing should turn smoothly 7 Clean the rotor rotor slots and housing and inspect for wear or damage ...

Страница 25: ... replacement seals and install them in the endplate with the seals positioned back to back 10 Lubricate and install the bearing in the endplate 11 Locate the proper number of gaskets and install them on the endplate Do not use any gasket sealer Locate the two 10x50mm bolts used for pulling the endplate and insert them in bolt holes on either side of the endplate to capture the gasket ...

Страница 26: ...to the housing install the endplate bolts lift the endplate rotor assembly to allow proper alignment of the bolts and bolt holes and start the bolts into the housing Just prior to making contact with the housing lift the endplate rotor assembly again to insure proper clearance between the rotor and the housing Tighten endplate bolts to 35 40 ft lb of torque 14 Seat the bearing with a bearing drive...

Страница 27: ... oil pump mount assembly to the pump Be sure to line up the oil pump drive key and the oil pump shaft prior to tightening the assembly to the pump 17 Connect the oil lines to the oil pump The pump is now ready to run 18 Start the pump at a slow RPM and allow to run for a few minutes until oil can be seen in the lines The pump is now ready to go to work ...

Страница 28: ...nt damage when the front endplate is unbolted 3 Remove the six bolts attaching the endplate to the housing Support the rotor shaft prior to loosening the last bolt Slide the rotor out 4 Remove the front endplate front bearing and bearing cover from the rotor with a puller or hydraulic press Put an identifying mark on the endplate so as to not confuse it with the rear ...

Страница 29: ...ch A new housing has a bore of 7 095 inches If you bore or hone the housing remove the four way valve assembly and internal check valve ball prior to machining 7 Inspect vanes bearings and seals and replace as necessary A new vane is flush with the outside diameter of the rotor If they are worn more than 1 4 they should be replaced We recommend replacing vanes in sets If the ends of the vanes are ...

Страница 30: ...the lip facing outward 9 Lubricate and install the bearings in the endplates 10 Locate two pieces of threaded rod 3 8 18 thd to use as guides and screw them into the two top holes in the housing Locate proper number of gaskets and slide on the threaded rods Do not use any gasket sealer 11 Lubricate the housing bore 12 Lubricate seal sleeve and drive the proper endplate on the input end of the roto...

Страница 31: ...on the opposite end to gain leverage during assembly of endplate to housing 14 Lift the rotor endplate assembly and slide over the 3 8 inch threaded guides and install the endplate bolts Tighten the bolts sufficiently to make contact between the endplate and the housing 15 Coat vanes with oil and install the vanes in the rotor The vanes should slide freely in the vane slots ...

Страница 32: ...is close enough to the housing install the endplate bolts lift the endplate rotor assembly to allow proper alignment of the bolts and bolt holes and start the bolts into the housing Just prior to making contact with the housing lift the endplate rotor assembly allow the endplate to enter the housing Tighten endplate bolts to the point where the endplate just touches the housing 19 With a prybar an...

Страница 33: ...key oil pump mount assembly and gaskets to the pump Be sure to line up the oil pump drive key and the oil pump shaft prior to tightening the assembly to the pump 23 Connect the oil lines to the oil pump The pump is now ready to run 24 Start the pump at a slow RPM and allow to run for a few minutes until oil can be seen in the lines or dripper Allow to run for a few more minutes The pump is now rea...

Страница 34: ...ription AM1 Housing 5000 AMEC1 Housing 6500 AME1 Housing 8000 AM3 Rear Endplate AM3 P Front Endplate AM4 Gasket AM5 P Rotor 5000 P AMEC5 P Rotor 6500 P AME5 P Rotor 8000 P AM7 Vane 5000 AMEC7 Vane 6500 AME7 Vane 8000 AM10 Dipstick mm 79 AM11 Bolt m8x20 AM13 Gasket AM16 Bolt m10x30 AM17 Washer 10 AM18 Seal 48 62 8 AM27 Gasket AM34 Bolt m8x25 AM35 Washer 8 ...

Страница 35: ...1 7 Part Description AM36 Exhaust Pipe AM39 Gasket AM40 Seal 30 40 7 AM41 Non Return Ball AM45 Spring AM48 Bearing 6208 AM49 Fitting AM50 Washer AM51 Bolt AM52 Key AM53 Seal 35 52 10 AM54 Bearing Cover AM55 Bearing 6207 Part Description AM56 Bolt m8x50 AM57 Spacer 80 70 5 AM59 Oil Plug AM60 Handle AM62 4 way Valve Plug AM63 Flange AM64 O Ring AM65 4 way Valve Cover AM66 Bolt m10x40 AM67 4 way Valv...

Страница 36: ...tional Vacuum Equipment Inc AM68 AM83 AM66 AM11 AM35 AM60 AM40 AM65 AM16 AM17 AM45 AM62 AM67 AM63 AM17 AM64 AM39 AM10 AM35 AM64 AM41 AM59 AM52 AM5 P AME5 P AMEC5 P AM7 AME7 AMEC7 AM1 AME1 AMEC1 AM4 AM3 AM17 AM16 AM18 AM57 AM48 AM13 AM34 AM83 AM63 AM17 AM66 ...

Страница 37: ...MEC 8000 AP 310 1 AP RS310 4 AP RS310 3 AP RS310 6 AP RS310 5 Coupling Pipe Elbow Part Description AP 310 1 Filter 3 4 NPT AP RS310 4 Vent AP RS310 3 Washer AP RS310 6 Spring AP RS310 5 Body Ballast Port Check Coupling Coupling 1 2 NPT Pipe Pipe Nipple 1 2 NPT x 5 Elbow Elbow 90 Deg 1 2 NPT ...

Страница 38: ...escription AM13 Gasket AM49 Fitting LA1 Bearing Cover MEC 5000 P LA11 Hose 4mm x 6mm x 9 5 LA13 Hose 2 mm x 4 mm x 18 5 LW32CD Piston Lubricator Single Outlet Clockwise LW32CS Piston Lubricator Single Outlet Counterclockwise LF8 Drive Tab R3 Fitting R15 Fitting R31 Gasket R33 Washer R34 Bolt R36 Fitting R37 Fitting R46 Fitting ...

Страница 39: ...MEC 5000 6500 8000 P 39 www natvac com 800 253 5500 Detail Automatic Lubrication System MEC 5000 PAL R37 AM49 LW32CD LW32CS AM13 LF8 LA1 R31 R37 R3 R36 R34 R33 R15 R46 LA13 ...

Страница 40: ...itting LB1 Bearing Cover MEC 6500 P MEC 8000 P LB8 Screw LB11 Hose 4mm x 6mm x 10 25 LB16 Hose 2mm x 4mm x 27 25 LB17 Hose 2mm x 4mm x 11 5 LB18 Clip LF8 Drive Tab LW32D Piston Lubricator Double Outlet Clockwise LW32S Piston Lubricator Double Outlet Counterclockwise R3 Fitting R15 Fitting R31 Gasket R33 Washer R34 Bolt R35 Fitting R36 Fitting R37 Fitting R37 1 Fitting ...

Страница 41: ...000 6500 8000 P 41 www natvac com 800 253 5500 Detail Automatic Lubrication System MEC 6500 PAL MEC 8000 PAL LB18 LB8 R15 LB16 R15 AM49 LB17 R36 R3 AM13 LB1 R31 LB11 R37 1 R37 R35 R3 R33 R34 lw32d lw32s LF8 ...

Страница 42: ... Pump Body 1 outlet Counterclockwise P 2CW Pump Body 2 outlet Clockwise P 2CCW Pump Body 2 outlet Counterclockwise P 5 Driven Gear Clockwise PA 5 Driven Gear Counterclockwise P 6 Spring P 7CW Driving Gear Clockwise P 7CCW Driving Gear Counterclockwise P 8 Seal P 9 Plug P 10 Retainer P 11 Adjusting Screw P 12 Gasket P 13 Lid P 14 Screw P 15 Jam Nut P 16 Cap ...

Страница 43: ... P 7 C C W P 9 P 8 P 1 4 P 1 5 P 1 6 P 1 2 P 1 3 P 5 P A 5 P 2 C W P 2 C C W P 6 P 1 0 P 1 1 P 7 C W P 7 C C W P 9 P 8 P 1 4 P 1 5 Detail Automatic Oil Pump One Two Outlet Type Part LW32CD Clockwise One Outlet Part LW32CS Counterclockwise One Outlet Part LW32D Clockwise Two Outlets Part LW32S Counterclockwise Two Outlets ...

Страница 44: ...t LF3 Drive Gear LF4 Driven Gear LF6 Bolt LF7 Oil Pump Housing LF8 Drive Tab LF12 Dripper T Type Clockwise LF12CCW Dripper V Type Counterclockwise LF12G Dripper Gasket LF12GL Dripper Glass LF13 Fitting Housing Oil Reservoir M10 x 1 LF15 Hose 5mm x 10 5 mm x 6 75 LF17 Fitting Gear Type Oil Pump M6 x 1 LF19 Hose 5mm x 10 5 mm x 8 5 LF20 Hose 5mm x 10 5 mm x 18 5 LF21 Oil Line Per Foot LF22 Oil Pump ...

Страница 45: ...MEC 5000 6500 8000 P 45 www natvac com 800 253 5500 Detail Gear Type Lubrication System MEC 5000 P MEC 6500 P MEC 8000 P LF12 LF15 LF13 LF19 LF17 LF20 LF17 LF3 LF4 LF7 LF8 AM13 LF2 LF1 LF6 LF17 ...

Страница 46: ...___________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ ____...

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

Страница 48: ... com 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: ...MEC 5000 6500 8000 P 49 www natvac com 800 253 5500 ...

Страница 50: ...50 MEC 5000 6500 8000 P www natvac com 800 253 5500 ...

Страница 51: ...MEC 5000 6500 8000 P 51 www natvac com 800 253 5500 ...

Страница 52: ...MEC 5000 6500 8000 P www natvac com 800 253 5500 2670 Aero Park Drive Traverse City MI 49686 USA 231 941 0215 Phone 231 941 2354 Fax nve natvac com www natvac com 800 253 5500 National Vacuum Equipment Inc ...

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