Recommended Maintenance Plan – VN/87plus

The routine maintenance schedule has to be followed as described below. Valid for gas operation with TPS turbo charger, stationary power plant application and marine engines. 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 and clean fresh air bores with cleaning needle.
  • Exchange air filters in measuring head
  • Perform functional test with test glass kit.

 

01.87

02.87

03.87

04.87

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

151481 – Filter kit VN/87

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.

 

05.87

06.87

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.

 

07.87

01.87

08.87

09.87

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

 

Service kits:

VN 115/87 – P/n.: 100150-151483

VN 116/87 – P/n.: 100151-151484

VN 215/87 – P/n.: 100152-151485

    4

  • Perform procedure 1, 2 & 3 (except section no. 07.87)
  • 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*

 

10.87

11.87

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

Service kits:

VN 115/87 – P/n.: 100150-151483

VN 116/87 – P/n.: 100151-151484

VN 215/87 – P/n.: 100152-151485

 

151482 – Cleaning kit 

151780 – Smoke test kit

150740 – Smoke test generator

*Schaller authorized service staff.

    5

  • Perform procedure 1, 2 & 3 (except section no. 07.87)
  • 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! **

 

10.87

11.87

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

Service kits:

VN 115/87 – P/n.: 100150-151483

VN 116/87 – P/n.: 100151-151484

VN 215/87 – P/n.: 100152-151485

 

151482 – Cleaning kit 

151780 – Smoke test kit

150740 – Smoke test generator

*Schaller authorized service staff.

The recommended maintenance schedule must be followed as described below to ensure highest safety standard for your engine operation. The maintenance schedule is to be viewed as precautionary measures in relation to technical problems.

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