Bijur Delimon SG-A Operating Instruction
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Bijur Delimon SG-A Operating Instruction

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INDEX
1. General ................................................................................. 2
2. Safety .............................................................................. 2 - 4
A
Type ...................................................................................... 4
B
Switching pressure difference ........................................... 4
C
Inspection ............................................................................. 4
D
Accessories ......................................................................... 4
3. Design ................................................................................... 5
4. Principle of operation .......................................................... 6
5. Specification ........................................................................ 6
6. Start-up ................................................................................. 7
7. Installation ............................................................................ 8
8. Maintenance ......................................................................... 9
9. Operating troubles and their reasons ................................ 9
10. Plates .................................................................................... 9
Page 1 of 9
Operating Instruction
Switching
device SG-A
Page
BA_2005_2_GB_SGA

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Summary of Contents for Bijur Delimon SG-A

  • Page 1: Table Of Contents

    Operating Instruction Switching device SG-A INDEX Page 1. General ................. 2 2. Safety ................2 – 4 Type ..................4 Switching pressure difference ........... 4 Inspection ................4 Accessories ................. 4 3. Design ................... 5 4. Principle of operation ............6 5.

  • Page 2: General

    General Prior to start up, we recommend to read these operating instructions carefully as we do not assume any liability for damages and operating troubles which result from the nonobservance of these operating instructions! Any use beyond the applications described in these operating instructions is considered to be not in accordance with the product’s intended purposes.
  • Page 3 Safety (continuation) Personnel qualification and training The operating, maintaining, inspecting and erecting personnel must have the appropriate qualification for such work. Area of responsibility, competence and supervision of the personnel have to be regulated by the user. If the personnel do not have the necessary knowledge, they have to be trained and given instructions.

  • Page 4: Type

    Safety (continuation) Unacceptable modes of operation The operational reliability of the machine supplied is only guaranteed if the machine is used in accordance with its intended purposes as per section 1 - General - of the operating instructions. The limiting values specified in the data sheet must on no account be exceeded. Guidelines &...

  • Page 5: Design

    Design The switching device SG-A with ram, enclosed consists of a housing with a metallically sealing piston, which is held in its mid-position by means of two compression springs. Furthermore, it consists of a limit switch, which is fixed in its position by means of a safety plate, on which these parts are fixed.

  • Page 6: Principle Of Operation

    Principle of operation With lubricating cycle 1, lubricant is supplied to main line A. Main line B is relieved. Due to the pressure build-up in main line A, the piston is deísplaced downwards against the springiness of the lower compression spring. When the differential pressure between the two main lines is approx. 50 bar and/or 100 bar, the contacts 1 and 2 are closed via the piston at the limit switch.

  • Page 7: Start-Up

    Start-up The switching device SG-A is arranged before the lubricant distributor, which is the last to be reached by the pressure build-up in the main lines. Normally, this is the lubricant distributor having the greatest distance to the 4/2-way valve.

  • Page 8: Installation

    ATTENTION During disassembly and assembly of the switching devices SG-A, take at all avents care for cleanliness because dirt particles might casue failures and damages. Take care that the housing and the limit switch are adjusted to a switching pressure of 50 and/or 100 bar by the safety plate.

  • Page 9: Maintenance

    Maintenance The differential switch requires maintenance only, and these are no further measures required to maintain the differential switch ready for operation. The following points should be observed: • Do not use aggressive media to clean the differential switch. Use Naphtha or petroleum ether only. •...

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