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Ulvac GHD-031A, Instruction Manual, Page: 4 / 45

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Ulvac GHD-031A Instruction Manual Download Page 4

 

Contents－03 

Figures and Tables 

  Figure1. Dimensional drawing of GHD-031 oil sealed rotary vacuum pump・・・・・・・・・ 6 

  Figure2. Basic piping diagram to the vacuum chamber   

 

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Figure3. Electric wiring diagram  

 

 

 

 

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Figure4. Inlet (EN60320-1) 

 

 

 

 

 

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  Figure5. Change region of the voltage and frequency   

 

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  Figure6. Pumping speed curve 

 

 

 

 

 

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Figure7. Characteristics of motor power  

 

 

 

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Figure8. Lubrication of the oil sealed rotary vacuum pump   

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Figure9. Disassembly drawing of GHD-031 oil sealed rotary vacuum pump 

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Table1. Specification 

 

 

 

 

 

 

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5

 

Table2. Power cable selection standards  

 

 

 

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Table3. Characteristics of the thermal protector 

 

 

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Table4. Periodic inspection table 

 

 

 

 

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Table5. Trouble check list 

 

 

 

 

 

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Table6. GHD-031 Maintenance parts list  

 

 

 

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Attached table: Safety Data Sheet (SDS) for Vacuum Pump Oil R-2 

Summary of Contents for GHD-031A

Page 1: ...s manual thoroughly to ensure safe and effective use of the equipment Keep this manual in a place where it can be referred to at any time and look after it carefully The contents of this instruction m...

Page 2: ...igh temperature 3 1 2 Safety Data Sheet SDS 4 2 Outline of the Pump 5 2 1 Specification 5 2 2 Dimensional drawing 6 3 Measures before it starts 7 3 1 Securing of exhaust vent 7 3 2 Installation 9 3 3...

Page 3: ...performance 19 5 1 Ultimate pressure 19 5 2 Pumping speed 20 5 3 Power requirement 21 6 Maintenance Inspection and Repair 22 6 1 Maintenance 22 6 2 Periodic inspection 22 6 3 Replacement of the pump...

Page 4: ...Pumping speed curve 20 Figure7 Characteristics of motor power 21 Figure8 Lubrication of the oil sealed rotary vacuum pump 27 Figure9 Disassembly drawing of GHD 031 oil sealed rotary vacuum pump 33 Tab...

Page 5: ...y pump specifications and method of operation can operate this pump Read the manual thoroughly Please completely read a manual well to use this product definitely Please read the section on introducti...

Page 6: ...at the time of the unpacking Although the pump is delivered with great care check the following after unpacking 1 Confirm whether it is the model of the pump of the order 2 The specified accessories h...

Page 7: ...tal accident or serious injury When mishandled there is a possibility of the operator suffering a fatal accident or serious injury When mishandled there is a possibility of the operator suffering an i...

Page 8: ...y before installing electrical wiring or performing any electrical work on the pump Failure to do so may result in electric shock The inlet port of the pump The outlet port of the pump Various label p...

Page 9: ...05 Table for various labels No Label name Label Rotation Burn caution Electric shock caution Installation caution Transportation caution Pump...

Page 10: ...06 No Label name Label Inlet Position High temperature caution Outlet Pump oil R 2 Passed Warning explosion...

Page 11: ...ist to make it safe Ask an authorized waste disposal specialist to carry out disposal This pump is for dry air or dry nitrogen absorption of the inert gas This pump cannot absorb poisonousness and fla...

Page 12: ...outlet side When an oil mist trap is adopted replace or clean it so that it will not block the passage of gas There is a risk of explosion Never block the outlet or operate the pump with equipment mo...

Page 13: ...e be sure to protect and cool surface of vacuum pump and away from human body Use this pump as built in type Since the surface temperature is hot touching the surface accidentally may result in burns...

Page 14: ...materials vacuum pump oil other than those mentioned in this instruction manual SDS is submitted as reference information to ensure safe handling of hazardous and harmful materials Personnel handling...

Page 15: ...80 110V 1 89 100V 1 71 120V 0 94 200V 0 84 240V 1 02 200V 1 03 240V Motor speed r min 2500 100V 2600 110V 3100 100V 3300 120V 2400 200V 2600 240V 2900 200V 3100 240V Standard oil R 2 Oil Oil amount m...

Page 16: ...6 2 2 Dimensional drawing Figure1 Dimensional drawing of GHD 031 oil sealed rotary vacuum pump...

Page 17: ...curing of exhaust vent Please remove the oil cap for transportation without fail before starting the pump and exchange it for the attached exhaust entrance cap At the unpacking Detaching of oil cap In...

Page 18: ...arting the pump and exchange it for the attached exhaust entrance cap There is a risk of explosion Never block the outlet or operate the pump with equipment mounted at the outlet side which blocks the...

Page 19: ...temperature relative humidity 7 C 40 C 85 RH or less Height above sea level during storage and installation 1000 m or less Minimum required distances from the wall 100mm or more Other conditions for s...

Page 20: ...n mechanism of the oil is taken in in this pump As of a pump stop it is effective for the prevention of the countercurrent of the oil It is not countercurrent prevention mechanism of the gas The count...

Page 21: ...than oil countercurrent quantity to the vacuum room side approximately 300mL at the time of a pump stop in a short time between a stop valve A which I flow backward and figure 2 shows to by all means...

Page 22: ...tric shock occurs 1 The pump rotates in the clockwise direction as seen from the front of the pump level gauge side Figure3 Electric wiring diagrams 2 An inlet is suitable for standards of EN60320 Fig...

Page 23: ...s a model GHD 031A 100 120V time and a model The choice standards of the power supply cord are more different in GHD 031B 200 240V The power cable selections standards are shown in a table 2 Do not fa...

Page 24: ...e with the procedure as follows Let one end of the unplug preventive hardware Catch the hole to the side of the inlet in the interior While pushing the unplug preventive hardware at the other end let...

Page 25: ...ut the obstacle on practical use and driving the voltage change and the frequency veering in area B in the main rated value without the obstacle on practical use However operation with it is convenien...

Page 26: ...p an oil level gauge jumps out In addition This causes the pomp rock Please change pumps oil 4 2 Start of operation To start operation close leak valve B open vacuum valve A to the inlet port and turn...

Page 27: ...uous operation may become possible After the pump has warmed up close leak valve B and return to ordinary operation see Figure2 4 5 Thermal protector An overload protector Auto reset thermal protector...

Page 28: ...rt from the outlet port of the pump and install an oil mist trap instead The oil mist trap not only prevents oil mist generation but also reduces exhaust noise For details refer to the instruction man...

Page 29: ...port Also the actual ultimate pressure of the vacuum device becomes higher than that noted in t he catalogue for the following reasons The vacuum gauge is installed at a distance from the pump and th...

Page 30: ...mping speed usually reaches the maximum at a high pressure range and it gradually decreases as the pressure reduces The nominal pumping speed of this pump is the maximum pumping speed when dry air is...

Page 31: ...required to compress the air compression work and reaches a maximum at an inlet evacuation pressure of around 2 7 104 to 4 104 Pa If the inlet evacuation pressure has reduced to 13 3 Pa or less the co...

Page 32: ...starting inspection and do not turn it on while inspection is in progress Doing so will result in injury The pump is very hot immediately after it is stopped Wait for 10 minutes until the pump has coo...

Page 33: ...Check the nuts and bolts for looseness 5 Inspection of the oil mist trap When using the oil mist trap in replacement of the standard outlet port pay attention to the clogging of the filter in the oil...

Page 34: ...perature higher than the room temperature by 40K or more is abnormal Check the cause of an overload If not clear contact us Once week Oil leakage Oil leakage from the plugs Replace seals or contact us...

Page 35: ...due to evacuated gas but also by the changes in the properties of the pump oil itself depending on the operation time Periodic replacement in accordance with Table 4 showing an oil replacement guide i...

Page 36: ...essure even after the pump oil is replaced In such a case overhaul the pump 7 Remove the oil inlet plug from the oil inlet port and add the pump oil which has been delivered together with the pump or...

Page 37: ...27 Figure8 Lubrication of the oil sealed rotary vacuum pump Do not operate the pump without adding pump oil If it is operated in oil less condition the pump will be damaged Note...

Page 38: ...the cylinder and rotor Moisture or solvents were sucked in forming rust inside the pump Overhaul replace the cylinder and rotor Reaction product accumulated in the pump when the pump stops after exha...

Page 39: ...nt of oil has not been added Add the specified amount of oil The oil has deteriorated Replace the oil Leakage occurs from the pipe connected to the pump Locate the leakage with a leakage detector and...

Page 40: ...ount is not sufficient the cooling effect of the pump will be reduced Add the specified amount of oil The temperature of the evacuated gas is high Mount cooling equipment such as a gas cooler at the i...

Page 41: ...he pump In case a harmful toxic gas has been exhausted by accident ask a specialist for waste disposal Not only the pump itself but also the pump oil becomes toxic For the disposal of pump oil follow...

Page 42: ...O ring_S 60 1 39 O ring Casing 1 40 O ring_P 5 1 41 O ring_P 8 1 42 O ring_P 9 2 43 O ring_P 12 5 1 44 O ring_P 18 1 45 O ring_G 50 1 46 Oil seal _VC 10 20 4 1 47 Oil seal _SC 11 25 7 1 81 O ring_SS04...

Page 43: ...33 8 2 Disassembly drawing Figure9 Disassembly drawing of GHD 031 oil sealed rotary vacuum pump...

Page 44: ...odifications or repairs carried out by a party other than the manufacturer or by a service company not approved by the manufacturer e Malfunctions caused by noise electric disturbance f Malfunctions t...

Page 45: ...fety and Health Law designates particular substances as the materials to be notified 2 Usage Status Operation Method Approx hours per day years and months Continuous Operation Intermittent Operation U...

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