Recommended Maintenance Plan – VN/93

The maintenance schedule is precautionary in relation to technical problems. 

NOTE: All maintenance steps should be performed while engine is stopped!

    1

  • Check the negative pressure with u-tube manometer or digital manometer. Adjust if necessary! Setting level is 55.00 – 65.00 mm WC!
  • Clean infrared filters in measuring head with cotton pins and cleaning fluid.
  • Exchange air filters and fresh air restrictors in measuring head.
  • Perform functional test with test glass kit.

01.93

02.93

03.93

04.93

Every 3 months or 2000 hrs. – whatever comes first!

151490 – Filter kit VN/93

151482 – Cleaning kit.   

11072 – Test glass kit

151800 – U-tube gauge or

100138 – Digital u-tube man.

    2

  • Perform procedure 1
  • Exchange air filters in pressure regulator unit

If you have a water separator:

  • Replace filter cartridge of water separator.

 

05.93

06.93

Every 6 months or 4000 hrs. whatever comes first!

 

273119 – Filter cartridge 

    3

  • Perform procedure 1 and 2
  • Clean inside and outside of the base plate, check bellows for cracks, gaskets and suspensions between measuring head and baseplate- replace necessary parts!
  • Check performance of pressure regulator- replace necessary parts!
  • Check and clean suction pipes/ pipe system and siphon blocks with compressed air – replace necessary parts! Do not forget to refill the siphon blocks!
  • Check scavenging air outlet behind the control cover manually (low-right) by feeling the air stream.

07.93

01.93

08.93

09.93

Every 12 months or 8000 hours. – whatever comes first!

 

Service kits:

VN 115/93 – P/n.: 100153-151489

VN 116/93 – P/n.: 100154-151487

VN 215/93 – P/n.: 100155-151488

    4

  • Perform procedure 1, 2 & 3 (except section no. 07.93)
  • Overhaul the complete OMD incl. clean the baseplate and replace service kit parts for oil mist detector*
  • Perform functional test of entire OMD system with smoke ampulla kit or smoke generator*
  • Inspection of entire OMD system*

10.93

11.93

Every 24 months or 16000 hrs. – whatever comes first!

Service kits:

VN 115/93 – P/n.: 100153-151489

VN 116/93 – P/n.: 100154-151487

VN 215/93 – P/n.: 100155-151488

151482 – Cleaning kit 

151780 – Smoke test kit

150740 – Smoke test generator

*Schaller authorized service staff.

    5

  • Perform procedure 1, 2 & 3 (except section no. 07.93)
  • Overhaul the complete OMD incl. clean the baseplate and replace service kit parts for oil mist detector*
  • Perform functional test of entire OMD system with smoke ampulla kit or smoke generator*
  • Inspection of entire OMD system*

If service by Schaller staff is not possible for various reasons, contact us for exchange unit set as an alternative! **

10.93

11.93

Every 48 months or 32000 hrs. – whatever comes first!

Service kits:

VN 115/93 – P/n.: 100153-151489

VN 116/93 – P/n.: 100154-151487

VN 215/93 – P/n.: 100155-151488

151482 – Cleaning kit 

151780 – Smoke test kit

150740 – Smoke test generator

*Schaller authorized service staff.

This system requires service by authorized Engine Protection Partner/Schaller Automation personnel every 2 years to ensure that the complete oil mist detector installation meet the makers requirements.

Note: If service by authorized staff is not possible for various reasons, alternatively use the exchange pool components for procedure no. 5 (2+2-year service or 32 000 hours) **