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Содержание PKS-030

Страница 1: ...I 002 01 No 030402 INSTRUCTION MANUAL OIL SEALED ROTARY VACUUM PUMP MODEL PKS 016 PKS 030 PKS 070 Components division ULVAC Inc Read this manual before operation and keep it at your hand for immediate...

Страница 2: ...to burst Ifapumpislocatedoutside andsubjectedtofreezing temperatures disconnectthewater inlet from its water supply Cooling water in the water pipe and or jackets should be blown out by compressed air...

Страница 3: ...itting and detaching of V belts 7 6 Vacuum system connection 8 7 Gas ballast valve 10 8 Operation 10 9 Ultimate pressure 12 10 Periodical checking 13 11 Oil replacement 13 12 Vacuum pump oil for low t...

Страница 4: ...piston type units and are designed for the best possible stability and small floor space and have well proven reliability We recommend that you use ULVOIL R 7 rotary pump oil specified by ULVAC for b...

Страница 5: ...Pressure Pa Ultimate Pressure with gas ballast Pa 6 7 101 6 7 101 6 7 101 Power required kW 2 2 4 poles 3 7 4 poles 11 6 poles Pump revolution RPM 425 400 400 Max water vapor pumping rate kg hr 2 4 5...

Страница 6: ...1 Pump 1 Pump 2 Pump base 2 Pump base Type PKS 016 only Type PKS 016 only 3 V belts 3 V belts 4 Belt cover 4 Belt cover 5 Pulley cover 5 Pulley cover 6 Motor Pulley 6 Motor Pulley 7 Anchor bolts 7 Anc...

Страница 7: ...Fig 7 8 9 1 Remove the Oil Filler Cap See Fig 4 6 and make sure that the Oil Drain Valve is closed 2 Fill the pump with ULVAC s specified oil ULVOIL R 7 until the oil level can be observed at the oil...

Страница 8: ...in accordance with the following procedures 1 Connect the power lines to the motor terminals before fitting the belts 2 Check the fuses at the terminal The fuses should be rated at the value shown in...

Страница 9: ...an 90 or more than 110 of that rated 4 Activate the motor and observe the direction of rotation of the motor pulley 5 An arrow SYMBOL like this is put on the belt cover to indicate the correct rotatio...

Страница 10: ...arings Too loose an adjustment allows the belt to slip and shorten the life time of the belt 6 Vacuum System Connection 1 Be sure that the inside of the vacuum equipment i e pipes and vacuum valves ar...

Страница 11: ...to vent the pump thus preventing oil counter flow within the pump 3 It is advisable to install a metallic flexible connection between the pump intake and vacuum piping to eliminate vibration Caution...

Страница 12: ...mp oil by opening the gas ballast valve after the pump temperature increases sufficiently When gases other than condensable gases are pumped operate the pump with the gas ballast valve closed 8 Operat...

Страница 13: ...lose vacuum valve A 2 Stop the motor and vent the pump Open the leak valve B Note Make sure the leak valve is opened when the pump is stopped or in the cage of a power failure prevent the pump and vac...

Страница 14: ...may slightly a depending upon the kind of vacuum gauge used According to the Japan Industrial Standard JIS ultimate pressure is determined by means of a McLeod gauge which is capable of measuring the...

Страница 15: ...y It is often the case where the ultimate pressure is not attainable simply because the pump oil is too old It is most important to replace the pump oil if any condensable gases have been pumped or if...

Страница 16: ...nce difficulty with starting the pump Therefore cheek the following points carefully belt tension motor fuse smoothness of rotation If the pump still can not be started easily despite normal behavior...

Страница 17: ...2 PKS 030 Parts No See Fig 11 Parts No Description Q ty 22 Bearing No 6410 2 25 Oil seal VC 65885 2 26 Oil seal SC 658812 2 27 Oil seal TC 478012 2 21A O ring JISB 2401 P 50 2 12A O ring JISB 2401 G 1...

Страница 18: ...ULVOIL R 7 Component Saturated Hydrocarbon 85 Unsaturated Hydrocarbon 15 Saturated Hydrocarbon 85 Unsaturated Hydrocarbon 15 Molecular weight 400 420 450 470 Specific Gravity at 15 0 89 0 89 Viscosity...

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