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14

 

   

Tools Required for Setup

 

Have the following tools on hand and perform the replacement while referring to the diagram.

 

If there is no repair technician available

, or if you do not have access to the required tools, 

please make the appropriate request to our repair services department. 

 

Required Tools

 

1.

 

Phillips head (+) screwdriver- No.2 

2.

 

Torque screwdriver- No.2 (0.25-0.30 Nm, 1.2 Nm, 4.0 Nm) 

3.

 

Tri-wing bit (special tool) 
* This bit is to be used with the torque screwdriver (0.25-0.30 Nm).   
Please see the pictures below. Use this to fasten/loosen the tri-wing screws.   

 

         
 
 
 

4.

 

Anti-loosening agent for screws 

Replacing diaphragm   : Loctite 242 or Loctite 243 
Replacing 

valve 

  : 

Loctite 262 or Loctite 263 

5.

 

Rag 

6.

 

Solvent for wiping (something that has no effect on rubber, such as ethanol) 

7.

 

Dust mask (for nose and mouth), gloves, protective eyewear 

 

*Use items No.5 and 6 to wipe down any dirty area when replacing the part. 

 

 

   

Part Replacement Procedure

 

 

Definition of Terms

 

   

In the replacement procedure, the terms 

primary side

 and 

secondary side

 shall be used to refer 

to specific locations.

 

   

Refer to the terms and diagram below when performing the replacement.

 

 

 

 

 

 

 

 

 

 

 

 

Tri-wing bit   

Tri-wing screw 

DAP-6D 

DAP-12S 

Secondary side 

 

Primary side 

 

Primary side 

 

Secondary side 

 

Suction 
inlet 

Exhaust

 outlet 

Exhaust 

outlet 

Suction 

inlet 

Rc 1/8 tap 

Rc 1/8 
tap 

Rc 1/8 tap 

Rc 1/8 tap 

Summary of Contents for DAP-6D Series

Page 1: ...o Users Please read this manual thoroughly to ensure safe and effective use of the equipment Keep this manual in a safe place Due to periodic improvements in performance the equipment described in thi...

Page 2: ...Drawing 8 5 Installation and Operation 9 6 Cautions in Operation 11 6 1 Cautions in Operation 11 6 2 Startup in Cold Season 11 6 3 Thermal Protector 11 7 Maintenance Inspection and Repair 12 7 1 Caut...

Page 3: ...equipment correctly Read the section on Safe Use particularly closely Keep This Manual in a Safe Place After reading this manual be sure to keep it in a safe place which is readily accessible to other...

Page 4: ...ge to the equipment and hinder its correct operation Cautions for Safety in Use Applications 1 This pump is not designed to be explosion proof and should therefore not be used to discharge explosive g...

Page 5: ...d Failure to earth the pump correctly may result in electric shock if a fault or earth leakage occurs 8 Use the pump only at the rated voltage Use at other than the rated voltage will interfere with o...

Page 6: ...e for each motor component is within the requirements for class of motor insulation as legally required in your country Installation 1 The fine clearances used in this pump require that the following...

Page 7: ...injury Maintenance and Repair 10 Ensure that the pump is discarded in accordance with appropriate legislation related to the treatment and cleaning of waste products Ensure that the pump is discarded...

Page 8: ...outlet is free of back pressure when the pump is started Back pressure at the pump outlet will result in overload on the motor and may prevent starting 9 The overload protector operates when the pump...

Page 9: ...rature or gases of equivalent characteristics 4 Do not attempt to discharge gases containing particles dust water or corrosive gases 5 Do not operate the pump for long periods at near atmospheric pres...

Page 10: ...8 4 Dimensional Drawing Fig 1 DAP 6D Dimensions Fig 2 DAP 12S Dimensions Motor specifications 200V 220V is attached to Power supply cord without switch and plug...

Page 11: ...ssembling the pump in a system Pay an attention particular to the ambient temperature 0 C 40 C Float the pump from the system using a rubber shock absorber install the pump so that vibration is not tr...

Page 12: ...force could damage the exhaust or suction opening 11 Make piping arrangement so that the exhaust port tree tram is a backing pressure 12 In case of selecting the inlet pipe and exhaust pipe that are n...

Page 13: ...ot restart To restart it vent the pump to atmospheric pressure If the pump is used for other applications consult with us 6 2 Startup in Cold Season In a cold season it may sometimes be difficult to s...

Page 14: ...The following checks are required at least once every three days during operation 1 Check for abnormal noises 2 Check for abnormal heating of the pump 3 Check that gas is discharged normally If a prob...

Page 15: ...Diaphragm Deformation crack and hardening Visual check Suction exhaust valve Deformation and crack Visual check Head gasket Damage and leak Visual check Bearing Unusual sound Auditory check disposal...

Page 16: ...loosening agent for screws Replacing diaphragm Loctite 242 or Loctite 243 Replacing valve Loctite 262 or Loctite 263 5 Rag 6 Solvent for wiping something that has no effect on rubber such as ethanol 7...

Page 17: ...valve The picture shown is the primary side of the DAP 12S but the procedure is the same for the secondary side of the DAP 12S and both the primary and secondary sides of the DAP 6D Step 3 Remove the...

Page 18: ...cting rod Concave positioning guide Convex positioning guide Step 5 Using the torque screwdriver 4 0 Nm and the small flat head screw M5 12 fasten the diaphragm and the push plate for the diaphragm al...

Page 19: ...the dent No gap Suction side Step 7 Using the torque screwdriver 0 25 0 30 Nm with the tri wing bit attached fasten the valve aligned in Step 6 with the tri wing screw M3 4 Apply the Loctite 262 or L...

Page 20: ...sure to always follow the appropriate tightening torque Failure to do so can lead to product damage Align the notches to the pins Small flat head screw Step 10 Attach the pump head First using connect...

Page 21: ...40 C range 10 Starting the pump in case its inside is vacuum pressure Vent pump to atmospheric pressure Unusual sound 1 Bearing damaged Replace 2 Diaphragm broken Replace 3 Motor damaged Replace Inad...

Page 22: ...anual performance specifications maintenance 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 approve...

Page 23: ...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 24: ...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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