Tuthill M-D Pneumatics 9000 Series Operator'S Manual Download Page 1

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Tuthill

Mechanical Vacuum Boosters

Models

9012

9027

9016

9036

9020

31/35/90/92 Series - Vertical Flow

33/37/91/93 Series - Horizontal Flow

OPERATOR’S MANUAL

Manual 2001 Rev B p/n 2001

WARNING: Do Not Operate Before Reading Manual

Operator

’s Manual: T

uthill Mechanical V

acuum Boosters

Tuthill Springfield | tuthillvacuumblower.com | 800.825.6937

Summary of Contents for M-D Pneumatics 9000 Series

Page 1: ...93 Series Horizontal Flow OPERATOR S MANUAL Manual 2001 Rev B p n 2001 WARNING Do Not Operate Before Reading Manual Operator s Manual Tuthill Mechanical Vacuum Boosters Copyright 2020 Tuthill Springfield All rights reserved Product information and specifications subject to change Tuthill Springfield tuthillvacuumblower com 800 825 6937 ...

Page 2: ... BELT TROUBLESHOOTING 17 5 6 MOTOR AND ELECTRICAL CONNECTIONS 17 6 OPERATION 18 6 1 GENERAL 18 6 2 START UP CHECKLIST 19 6 3 STARTING 19 6 4 OPERATING 19 6 5 STOPPING 20 6 6 WATER INJECTED VACUUM BOOSTERS 20 6 6 1 OPERATION 20 6 6 2 SHUTDOWN 21 6 7 RECOMMENDED SHUTDOWN PROCEDURE TO MINIMIZE RISK OF FREEZING OR CORROSION 21 7 MAINTENANCE 22 7 1 GENERAL 22 7 2 REGULAR MAINTENANCE 22 7 3 SPARE PARTS ...

Page 3: ...ealize getting any new piece of equipment up and running in as little time as possible is imperative to production NOTE Record the blower model and serial numbers of your machine in the OPERATING DATA form on the inside back cover of this manual You will save time and expense by including this reference identification on any replacement part orders or if you require service or application assistan...

Page 4: ...ral Operation and Symbols on Data Plate The following information is contained on the data plate WARNING Keep body clothing away from machine During operation keep body and clothing away from inlet and outlet of the booster WARNING Do not operate without guards in place CAUTION Hearing protection is required while the booster is in operation Noise levels may reach as high as 81 dBA CAUTION Do not ...

Page 5: ...he edge of the suction port the trapped air or gas is essentially at suction pressure and temperature Since the booster is a constant volume device the trapped air remains at suction pressure until the leading rotor lobe opens into the discharge port The close clearances between the rotors inhibit back slippage of the trapped volume from between the rotors and the trapped volume is forced into the...

Page 6: ...CHARGE DISCHARGE INTAKE DISCHARGE INTAKE DISCHARGE RIGHT DRIVE CW ROTATION LEFT DRIVE CW ROTATION LEFT DRIVE CCW ROTATION RIGHT DRIVE CCW ROTATION TOP DRIVE CW ROTATION TOP DRIVE CCW ROTATION BOTTOM DRIVE CW ROTATION BOTTOM DRIVE CCW ROTATION DISCHARGE INTAKE INTAKE INTAKE DISCHARGE DISCHARGE Figure 2 Flow Direction by Rotation 4 2 SPECIFICATIONS TABLE 1 SPECIFICATIONS MODEL APPROXIMATE OIL CAPACI...

Page 7: ...on Deep vacuum requires instrumentation much more sensitive than standard thermometers and mercury type pressure or vacuum gauges At operation pressures less than 100 Torr mmHg low deadband cut in switches and low mass thermocouples should be utilized and positioned such that the sensor is connected to the inlet and discharge connections of the vacuum booster NPT connections are provided at each o...

Page 8: ... return it to the factory without first obtaining shipping instructions from us Protective covers and plugs should not be removed until the connection is being made Mount the booster on a flat level surface We recommend a baseplate that is a rigid solidly supported and structurally sound Shim under the legs where necessary so that each leg of the booster supports an equal share of the booster weig...

Page 9: ...or installation areas should be well ventilated and kept as cool as possible because operating the unit at elevated temperatures can result in nuisance overload or temperature shutdowns An unprotected outdoor installation is only satisfactory when correct lubrication for expected temperatures is provided as per the Recommended Lubricants section in this manual 5 1 2 FOUNDATION Your booster does no...

Page 10: ...e valves should be tested at initial start up to be sure they are properly adjusted to relieve at or below the maximum pressure differential rating of the booster DANGER It is the responsibility of the installer to assure that proper guarding is in place and compliant with all applicable regulatory requirements DANGER Internal and external rotating parts of the booster and driving equipment can pr...

Page 11: ...t a suitable low vapor pressure lubrication for high vacuum service such as Tuthill Pneulube Synthetic oil For higher pressure 1 torr or more a good grade of turbine lubricating oil may be used It should have a viscosity of approximately ISO 100 100 F 38 C Also refer to the Recommended Lubricants page within this manual Add vacuum oil to the blower in the quantity shown within the Specifications T...

Page 12: ...e heat adequately If the lubricant is too thick the drag in the bearings is increased causing them to run hotter Since it is thicker it will not flow as readily into the gears and it will reduce the available backlash Lubricants at our conditions are incompressible What is the functional detriment if the oil is not serviced If the lubricant is not serviced at the proper interval the shearing actio...

Page 13: ...red due to the speed and oil temperature The oil pump itself has no adjustment however the oil by pass relief valve located in the oil feed line after the oil filter can be used for the same purpose To adjust the unit to the proper oil pressure remove the hex cap shown in the image to the right Loosen the lock nut and turn the set screw clockwise to increase the pressure or counterclockwise to dec...

Page 14: ...lid particles are likely to be entrained into the air stream and remove the filter when particles no longer appear This is especially desirable on new installations and when manifolds have been welded The manifolding to and from the booster should be fitted with flexible connections to isolate vibrations absorb expansion and contraction due to thermal change and to absorb misalignment differences ...

Page 15: ... face of the should be accurately in line to minimize belt wear Adjust the belt tension to the to the manufactures specifications using a belt tension tester New belts should be checked for proper tension after 24 hours of run time When manufacturer data is not available industry guidelines are 1 64 inch deflection for each inch of span at 8 to 10 pounds of force in the center of the belt Insuffic...

Page 16: ...d make any manual adjustments found necessary 1 Turn off and lock out power 2 Remove the fasteners from the belt guard if equipped 3 Remove the belt guard 4 Check and adjust the belt tension as necessary It should be 1 64 deflection per inch of span 0 157 mm deflection per centimeter of span between sheaves with 8 10 lbs 3 6 4 5 kg force applied at center point of the top section of belt 5 Install...

Page 17: ...ves worn Replace sheaves Sheave diameter too small Redesign drive Mismatched belts Replace with matched belts Drive overloaded Redesign drive Belt slips Increase tension Sheaves misaligned Align sheaves Oil or heat condition Eliminate oil Ventilate drive 5 6 MOTOR AND ELECTRICAL CONNECTIONS WARNING The motor and connections shall be protected to assure that product and environmental condensation d...

Page 18: ...verload devices 6 With electrical power off and locked out to prevent accidental starting rotate booster shaft several times by hand to make sure booster is rotating freely Unevenness or tight spots is an indication of a problem that should be corrected before progressing 7 Check motor rotation by momentarily pushing the start button and check flow direction of the booster Reverse the motor connec...

Page 19: ...d observe the operation of the unit for one hour If minor malfunctions occur discontinue operation and refer to the Troubleshooting chart 6 3 STARTING Check the oil for proper level at both ends of the booster Add or drain oil as necessary to bring the oil to the correct level See Figure 4 Too much oil particularly on the gear end can result in excessive heat generation Too little oil will possibl...

Page 20: ... atmosphere Turn off the cooling water if water cooled Stop the backing pump Refer to component instruction manual 6 6 WATER INJECTED VACUUM BOOSTERS Water injected into the inlet of a booster operating on vacuum service will cool the booster The water absorbs the heat of compression as it passes through the unit along with the air gas being compressed A booster cooled in this manner can operate s...

Page 21: ...present in an air piping system condensation of water can occur after the booster is shut down and the booster begins to cool This creates an environment favorable to corrosion of the iron internal surfaces or in cold weather the formation of ice Either of these conditions can close the operating clearances causing the booster to fail upon future start up The following shutdown procedure outlined ...

Page 22: ... rotors Air leaks past these plugs can cause rapid loss of oil from end covers resulting in booster failure Particular attention should be paid to lubrication of timing gears and bearings in accordance with comments under the Lubrication section When a vacuum booster is taken out of service it may require internal protection against rusting or corrosion The need for such protection must be a matte...

Page 23: ... book should be referred to the nearest Tuthill Springfield service representative When ordering parts give all booster nameplate information as well as the item number and parts description as per the parts lists and assembly drawings for your particular model Repair kits are available for all models These kits contain all of the seals bearings O rings locks and special retaining screws necessary...

Page 24: ...oster will be stored for an extended period of time you should take make sure that it is protected from corrosion by following these steps 1 Spray the interior lobes housing and end plates with rust preventative This should be repeated as conditions dictate and at least on a yearly basis 2 Fill both end covers completely full of oil 3 Firmly attach a very prominent tag stating that the end covers ...

Page 25: ...31 33 35 37 Loosen set screws and remove sprocket 451 Remove cap screws 69 oil slinger 20 and adapter 449 Series 90 91 92 93 Remove cap screws 69 oil slinger 20 and spacer 197 5 Remove retainer rings 220 from ends of rotor shafts Remove cap screws 62 and oil retaining rings 15 8 1 2 GEAR END DISASSEMBLY 6 Remove cap screws 93 and water cooling housing 278 Discard O rings 140 279 Remove cap screws ...

Page 26: ...ey are not plugged by checking with compressed air 8 2 ASSEMBLY The assembly procedure is generally the same for all series but where there are differences notations will be made All joints between housing and port fittings and end plates and end covers must be sealed with an RTV Silicone sealer or equal Dowel pins are used to locate end plates housing and covers in the proper location relative to...

Page 27: ...ings for correct gear end clearances If clearances are not within specification recheck parts to find cause of improper clearances before proceeding 10 Install keys 24 in rotor shafts Tight fit required Coat shafts and keys with anti seize If new gears are being installed disassemble the two piece gear 11 Heat the solid gear and the hub of the two piece gear to 350 F 177 C At this temperature they...

Page 28: ...wn in Figure 15 should be made to hold the outer race of the bearing square with the shaft Put sealer on the end plate and slide the cover over the tool and secure with cap screws 26 22 Press seal 76B into seal housing 91 and install O ring 92 Clean carbon surface and lapped surface of mating ring with soft tissue and acetone Place a few drops of lubricating oil on mating ring and O ring 314 and c...

Page 29: ...ing bracket using four screws 321 alternately to draw the carrier into place e Loosen mounting bracket and add necessary shims to take slack out of chain Align upper sprocket and secure with both set screws Add additional shims if necessary but do not force This will allow sufficient slack f Reconnect oil hose Mount pump cover 446 and cover plates 303 323 with O rings 325 26 Apply sealer to housin...

Page 30: ...e to manufacturer s recommended pressure Examine relief valve and reset if necessary Worn gears Replace timing gears See the Disassembly section Excessive booster temperature Too much or too little oil in gear reservoir Check oil level See the Lubrication section Too low operating speed Increase booster speed within limits Clogged filter or silencer Remove cause of obstruction Excessive pressure d...

Page 31: ...23 33 013 018 33 46 9027 007 010 18 25 020 025 51 63 013 018 33 46 009 013 23 33 013 018 33 46 9036 007 010 18 25 029 034 76 86 013 018 33 46 009 013 23 33 013 018 33 46 11 TORQUE CHART Data shown represents wet torque values PART DESCRIPTION TORQUE CAP SCREW 10 32UNF 3 ft lb 4 N m CAP SCREW 1 4 20UNC GR5 6 ft lb 8 N m CAP SCREW 5 16 18UNC GR5 13 ft lb 17 N m CAP SCREW 3 8 16UNC GR5 23 ft lb 31 N ...

Page 32: ...f your product over mineral oils or semi synthetic lubricants WARNING Do not overfill the oil sumps Overfilling can result in gear damage or oil leaks CAUTION Units are shipped without oil in the sumps Ensure adequate oil has been added before operating Tuthill offers oils that are suitable for a wide range of operating temperatures that are based on model operating speed and discharge temperature...

Page 33: ... MD3 Q 16444 MD3 G 16444 MD3 5G 16444 MD3 B 16444 MD3 Q C MD FG 16444 MD1 Q FG 16444 MD1 G FG 16444 MD1 5G FG 16444 MD1 B FG 16444 MD1 Q C FG MD BLOWER BOOSTER LUBRICANTS SPECIFICATIONS PRODUCTS MD ONE MD PLUS MD MAX MD FG VISCOSITY INDEX 150 154 157 141 40 C CST 99 1 231 7 340 9 99 3 100 C CST 14 4 27 6 37 2 13 9 FLASH POINT F C 510 266 480 249 491 255 515 268 POUR POINT F C 44 43 49 45 54 48 60 ...

Page 34: ...CREW 039 45 1 MM 3 4 10 TAP IN CENTER OPTIONAL FIXTURE PLATE HEX NUT M10P 1 5 ROD M10P1 5 175MM LG Ø 4 915 4 910 124 841 124 714 Ø 4 060 3 940 103 100 Ø 4 915 4 910 124 841 124 714 Ø 5 508 5 507 139 903 139 878 Ø 4 908 4 910 124 663 124 714 Ø 5 508 5 510 139 903 139 954 Ø 4 912 4 914 124 765 124 816 Ø 4 805 4 800 121 920 122 047 Ø 2 990 76 Ø 2 540 64 516 Ø 4 50 114 3 06 R 1 524 13 R TYP 3 302 13 3...

Page 35: ...3 CAP SCREW 4 4 4 4 ITEM NO PART DESCRIPTION 90 91 92 93 31 33 35 37 140 O RING 1 1 1 1 174 PIPE PLUG AR AR AR AR 176 O RING 2 2 2 2 195 LIFTING LUG 2 2 2 2 196 CAP SCREW 4 4 4 4 197 SPACER 1 1 199 O RING 2 2 2 2 219 RETAINING RING 4 4 4 4 220 RETAINING RING 2 2 2 2 224 OIL RETAINER PLATE 1 1 1 1 225 CAP SCREW 4 4 4 4 226 LOCKWASHER 4 4 4 4 232 PIPE PLUG AR AR AR AR 233 O RING 8 8 8 8 238 OIL SLIN...

Page 36: ...36 CUTAWAY VIEW FOR MODEL 9000 90 91 VACUUM BOOSTERS ...

Page 37: ...37 CUTAWAY VIEW FOR MODEL 9000 31 33 VACUUM BOOSTERS ...

Page 38: ...38 ASSEMBLY DRAWING FOR MODEL 9000 31 35 90 92 33 37 91 93 VACUUM BOOSTERS ...

Page 39: ...OW 1 1 273 BARBED CONNECTION 1 1 306 SHAFT SLEEVE 1 1 309 CAP SCREW 3 3 321 CAP SCREW 4 4 322 CAP SCREW 4 4 323 FRONT ACCESS PLATE 1 1 325 O RING 3 3 330 SWIVEL ADAPTER 1 1 337 KEY 2 2 340 SWIVEL ADAPTER 1 1 350 CAP SCREW 16 16 362 BEARING 1 1 446 COVER 1 1 447 BEARING CARRIER 1 1 449 ADAPTER 1 1 450A ROLLER CHAIN 1 1 450B CONNECTOR LINK 1 1 451 SPROCKET 1 1 452 SPROCKET 1 1 NOTES QUANTITIES SHOWN...

Page 40: ...40 ASSEMBLY DRAWING FOR MODEL 9000 BOOSTERS WITH SUBMERGED OIL PUMP ASSEMBLY ...

Page 41: ...41 NOTES ...

Page 42: ...ler Unless done with prior written consent of Seller any repairs alterations or disassembly of Seller s equipment shall void warranty Installation and transportation costs are not included and defective items must be held for Seller s inspection and returned to Seller s Ex works point upon request THERE ARE NO WARRANTIES EXPRESSED IMPLIED OR STATUTORY WHICH EXTEND BEYOND THE DESCRIPTION ON THE FAC...

Page 43: ...er com OPERATING DATA FORM PRODUCT REGISTRATION It is to the user s advantage to have the requested data filled in below and available in the event a problem should develop in the blower or the system This information is also helpful when ordering spare parts Model No V Belt Size Length Serial No Type of Lubrication Startup Date Pump RPM Operating Vacuum Pump Sheave Diameter Any other Special Acce...

Page 44: ...50 tuthillvacuumblower com For Service Repair Technical Support or Product Sales contact Copyright 2020 Tuthill Springfield All rights reserved Product information and specifications subject to change I N T ERNATIONAL QUALITY STAND A R D REGISTERED VACUUM BLOWER SYSTEMS TUTHILL CORPORATION Manual 2001 Rev B p n 2001 1 20 ...

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