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6-5 DA-41D (K), 81S (K) Major Parts Material Indication 

 

Table 6-3 DA-41D(K)

81S(K)    Material Indication Table 

DA-41D

81S 

DA-41DK

81SK 

№ 

Part Name 

Material 

№ 

Part Name 

Material 

Casing 

ADC 

Casing 

ADC 

Pump head 

ADC 

Pump head 

ADC 

Connecting lod 

ADC 

Connecting lod 

ADC 

Eccentric axis 

S45C 

Eccentric axis 

S45C 

Balance weight 

S45C (galvanizing) 

Balance weight 

S45C (galvanizing) 

Valve plate 

ADC 

Valve plate 

ADC 

Valve retainer 

ADC 

Valve retainer 

ADC 

Inlet / exhaust pipe 

C3604 (chrome plated) 

Inlet / exhaust pipe 

C3604 (chrome plated) 

Base 

SUS 

Base 

SUS 

10  Top panel 

Denaturant PPO 

10  Panel for fan 

SUS 

11  Panel for fan 

Denaturant PPO 

11  Panel for switch 

SUS 

12  Panel for switch 

Denaturant PPO 

12  Side panel 

SUS 

13  Front(side)panel 

Denaturant PPO 

13  Finger guard 

14  Cap for front panel 

Denaturant PPO 

14  Free bush 

Nylon 6 

15 

Diaphragm NT   
(PTFE affixed) 

Metal fittings: ADC   
Rubber: EPDM   
Surface: PTFE affixed 

15 

Diaphragm NT   
(PTFE affixed) 

Metal fittings: ADC   
Rubber: EPDM   
Surface: PTFE affixed 

16  Valve A 

PTFE 

16  Valve A 

PTFE 

17  Valve B 

PTFE 

17  Valve B 

PTFE 

18  Valve holder A 

EPDM 

18  Valve holder A 

EPDM 

19  Valve holder B 

SUS 

19  Valve holder B 

SUS 

20  Pin for pump head 

PTFE 

20  Pin for pump head 

PTFE 

21  Inlet / exhaust filter 

Urethane cellular porous 
medium 

21  Inlet / exhaust filter 

Urethane cellular porous   
medium 

22  Nipple for balance ports  C3604 

22  Nipple for balance ports  C3604 

23  Horse for balance ports  Polyurethane 

23  Horse for balance ports  Polyurethane 

24  Connecting tube 

Q (silicone) 

24  Connecting tube 

Q (silicone) 

25  O ring (S-28) 

FPM 

25  O ring (S-28) 

FPM 

26  O ring (P-10A) 

FPM 

26  O ring (P-10A) 

FPM 

27  Rubber leg 

NBR 

27  Rubber leg 

NBR 

28  Rubber cap 

NR 

28  Rubber cap 

NR 

29  Bearing 

29  Bearing 

30  Motor (1

φ

,100V) 100 w  - 

30  Motor (1

φ

,100V) 100 w  - 

31  AC axial fan 

(□ 92 x 38)

  - 

31  AC axial fan 

(□ 92 x 38)

  - 

32 

Screws   

(for Connecting lod) 

SUS 

32 

Screws   
(for Connecting lod) 

SUS 

33  Screws (others) 

SCM 

33  Screws (others) 

SCM 

34 

C form snap ring   
(for axis) 

SS 

34 

C form snap ring   
(for axis) 

SS 

35  Wiring 

Connector: Oxygen free copper 
pipe (electric tin plated) 
Insulator: Nylon, etc. 

35  Wiring 

Connector: Oxygen free   
copper pipe (electric tin   
plated) 
Insulator: Nylon, etc. 

36  Condensor 

EP 

36  Condensor 

EP 

37  Capacitor bracket 

SPCC 

37  Capacitor bracket 

SPCC 

38  Cable ground 

Nylon 6 

38  Cable ground 

Nylon 6 

39  Gasket 

Neoprene rubber 

39  Gasket 

Neoprene rubber 

40  Plastics nut 

Nylon 6 

40  Nylon clip 

Nylon 66 

41  Nylon clip 

Nylon 66 

41  Spiral tube 

PE 

42  Spiral tube 

PE 

42   

 

43   

 

43   

 

44   

 

44   

 

45   

 

45   

 

46   

 

46   

 

Summary of Contents for DA-41D

Page 1: ...ion Manual before starting the pump in order to use the pump effectively and safely Please keep this Instruction Manual carefully We reserve our right to change dimensions or specifications of the mot...

Page 2: ...4 3 3 Installation location 4 3 4 Verification Run in Installation 5 3 5 Piping 5 3 6 Storage 5 4 Caution in Operation 6 4 1 Caution in Operation 6 4 2 When Thermal Protector Operated 6 4 3 Starting...

Page 3: ...g List Fig 2 1 DA 41D DA 81S Appearance 3 Fig 2 2 DA 41DK DA 81SK Appearance 3 Fig 3 1 Piping Example for Evacuation of Container 5 Table 1 1 Equipment Specifications 1 Table 6 1 Consumable Parts List...

Page 4: ...rrectly Always read Directions to use safely in particular Storage of Instruction Manual Please keep Instruction Manual carefully After reading store this Instruction Manual on the location where avai...

Page 5: ...t pipe 2 pcs Power plug adapter attached to power cord 1 pcs 3 Whether damaged positions are found 4 Whether loosen external screws or inlet exhaust pipe Whether coming off positions are found In case...

Page 6: ...st injuries of users Incorrect operation may result in possibility to cause death or heaviest injuries of users Incorrect operation may result in possibility to cause death or heaviest injuries of use...

Page 7: ...pair definitely There is risk of electric shock or injury attributed to sudden start of the pump 5 Conduct wiring work correctly by observing Electric System Design Standard and the in house rules Inc...

Page 8: ...rticle suspends in the air and there is a risk to go into the human body when breathing Installation 1 This pump is a machine having precise clearance Satisfy the following requirements when conductin...

Page 9: ...s a risk of burn Installation 1 Do not apply impact to the pump and not falling sidelong There is a risk of failure 2 DA 41DK DA 81SK to the customer of purchase Do not hold or push the tube at the to...

Page 10: ...ambient temperature in range of 0 to 40 If the temperature was over 40 degrees put a cooling fan or similar device to cool it down to the ambient temperature If operated in high temperature life of t...

Page 11: ...ed regardless description in the followings Acetone Ethyl ether Ethyl acetate Flora and fauna oil etc 5 Never absorb the gas that mixed dust dust moisture 6 Do not operate long time in environment nea...

Page 12: ...e by shutting the power supply to the motor automatically when rotation stops during operation due to pump failure or current supplied to the motor exceeded due to overload 2 It is recommended to adop...

Page 13: ...1SK Appearance Model No Symbols on drawing Dimensions Model No Symbols on drawing Dimensions DA 41D 81S A 217mm 8 5 DA 41DK 81SK E 202mm 8 DA 41D 81S B 336 5mm 13 2 DA 41DK 81SK F 288mm 11 3 DA 41D C...

Page 14: ...sun rays g No flammability risk h When Equipment is installed temperature in pump circumference shall not exceed 40 104 degF 3 3 Installation location Select a location where dust and moisture are sm...

Page 15: ...s shown on Fig 3 1 in order to maintain vacuum status between an inlet pipe and container of the pump 5 In case of selecting the inlet pipe and exhaust pipe that are not from our products please selec...

Page 16: ...sh to side and disconnect power cable Contact ULVAC or local agent Temperature of the pump is very high at this time Do not touch the pump by hand definitely 2 The pump operates automatically when tem...

Page 17: ...follow the procedure described below 1 Open the inlet port to atmosphere and repeat switch ON OFF two or three times until the pump starts If still it does not start warm up the ambient temperature t...

Page 18: ...and piping make the ultimate pressure higher 2 Ultimate pressure becomes higher in case there is resource of gas such as vacuum leakage in the vacuum route 5 2 Exhaust velocity Flow rate of the diaph...

Page 19: ...acement of valves 3 Replacement of inlet exhaust filters 4 Replacement of O rings 6 2 Maintenance During an operation of the vacuum pump check the following items at least once in 3 days 1 Generation...

Page 20: ...etic rubber EPDM PTFE affixed 9 000hr Valve A 3 2 PTFE 9 000hr Valve B 1 2 PTFE 9 000hr Valve holder A 2 2 EPDM 9 000hr Valve holder B 1 2 SUS 9 000hr Inlet exhaust filter 2 3 Urethane cellular porous...

Page 21: ...oled down 2 Wear a dust mask and gloves when replacing diaphragms and valves A minute abrasive particle suspends in the air and there is a risk to go into the human body when breathing 3 Wear gloves w...

Page 22: ...panel Photo 3 4 Remove 8 pcs of hexagon socket head cap screw M6 x 25 and detach the pump head Photo 4 5 5 Pull connecting tube from the valve retainer and separate the pump head of left and right Pho...

Page 23: ...lvent cleanly 10 Apply small quantity of vacuum grease on hexagon socket head cap screws M8 x 18 portion on back of the new diaphragm to prevention of scoring of a screw and mount it on the connecting...

Page 24: ...et exhaust pipe Photo 1 1 2 In case of DA 41DK 81SK Replace the diaphragm according to the procedure for 1 1 DA 41D 81S 4 to 13 Hexagon socket head cap screw M6 x 25 As shown in Photo 10 Good example...

Page 25: ...ad similarly Photo 14 3 Detach valve plate No adhesive screws are used for mounting the valve plate Valve plate can be detached easily by hands since the valve plate is simply embedded in a circular f...

Page 26: ...16 4 Detach used valves Photo 16 5 Clean the pump head and the valve retainer with solvent When clean pump heads clean both faces of the valve surface side and diaphragm side...

Page 27: ...position shown by the above Photo one by one Mount to arrow position Valve mounting 4 Mount valve holder A to the position shown by the above Photo one by one Valve mounting 5 Mount valve plate to th...

Page 28: ...d top panel Procedure is the same as 14 to 16 of 1 replacement of Diaphragm Be careful not to make a mistake in type number of sheets Photo 17 There is no front and back control in valve mounting Moun...

Page 29: ...cedure is the same as 1 to 2 of 2 replacement of valves 2 Detach used inlet exhaust filter Photo 18 3 Clean filter mounting portion of valve retainer with solvent 4 Mount new inlet exhaust filter acco...

Page 30: ...ing S 28 Photo 19 4 Disassemble the horse nipple Spanish yellow and remove the O ring S 4 Photo 19 upper right drawing 5 Disassemble inlet exhaust pipe from valve retainer and remove O ring P 10A 3 pc...

Page 31: ...rease slightly on the entire new O rings S 28 P 10A and embed to each mounting portion 9 Mount each part Procedure is the same as 7 to 8 of 2 replacement of valves 5 Replacement of bearing Request Ulv...

Page 32: ...SUS 19 Valve holder B SUS 20 Pin for pump head PTFE 20 Pin for pump head PTFE 21 Inlet exhaust filter Urethane cellular porous medium 21 Inlet exhaust filter Urethane cellular porous medium 22 Nipple...

Page 33: ...inspection of pump head 15 Abnormal bearing 15 Replacement 6 4 16 Miscellaneous Damage of pump internal parts 16 Overhaule replacement of damaged parts 6 4 Pressure failed to drop 1 Pump is small for...

Page 34: ...the status that absorption gas pressure is high 1 Do not conduct continuous operation in vicinity of atmospheric pressure 2 Absorption gas is high temperature 2 Mount refrigerating machine such as gas...

Page 35: ...e and inspection etc d Malfunctions caused by modifications or repairs carried out by a party other than the manufacturer or by a service company not approved by the manufacturer e Malfunctions caused...

Page 36: ...Industrial Safety 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 Intermitte...

Page 37: ...6 6397 2286 ULVAC KIKO Inc https ulvac kiko com en Please contact us for products Service Base or other Inquiries from here ULVAC Inc Components Division 2500 Hagisono Chigasaki Kanagawa 253 8543 Japa...

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