Maintenance Plan – VN/93

The recommended maintenance schedule must be followed as described below to ensure highest safety standard for your engine operation. The maintenance schedule is precautionary in relation to technical problems. The VN/93 system requires service by authorized personnel every 2 years and 2+2 years to ensure that the entire oil mist detector installation meet the makers requirements.

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

1

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

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

  • 05.93: Exchange air filters in pressure regulator unit
  • 06.93: Replace filter cartridge of water separator, if used.

Every 6 months or 4000 hrs. whatever comes first!

273119- Filter cartridge 

3

07.93: Clean inside and outside of the baseplate thoroughly, check bellows for cracks, gaskets and suspensions between measuring head and baseplate- replace necessary parts!

  • 05.93 & 01.93: Check performance of pressure regulator- replace necessary parts!
  • 08.93: Check and clean suction pipes/ pipe system and siphon blocks with compressed air – replace necessary parts! Do not forget to refill the siphon blocks!
  • 09.93: Check scavenging air outlet behind the control cover manually (low-right) by feeling the air stream.
  • 11.93: Perform functional test of entire OMD system with smoke ampulla kit or smoke generator.

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

Inspection of entire OMD system to be performed by authorized service staff. Replacement of major parts to be done if necessary.

  • 10.93: Overhaul the complete OMD incl. clean the inside & outside of baseplate thoroughly and replace service kit parts for oil mist detector.
  • 12.93: Check the complete pipe system from the engine compartments to the oil mist detector, all connections to be securely tightened acc. to engine maker instructions. Ensure that all suction points are fitted correctly with sampling funnel are securely tightened and in correct position specified by engine maker or Schaller Automation/EPP. If any sagging/u-bends on OMD pipe system, replace the defect pipe/hose before starting up of the oil mist detector/engine!
  • 11.93: Perform functional test of entire OMD system with smoke ampulla kit or smoke generator.

 

If not possible to use authorized personnel, do as follows:

  • Perform section 10.93, 12.93 and 11.93, then replace the measuring head or complete oil mist detector during 48 months service. See section: 13.93 or 14.93.

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

5

Inspection of entire OMD system to be performed by authorized service staff. Replacement of major parts to be done if necessary.

  • 10.93: Overhaul the complete OMD incl. clean the inside & outside of baseplate thoroughly and replace service kit parts for oil mist detector.
  • 12.93: Check the complete pipe system from the engine compartments to the oil mist detector, all connections to be securely tightened acc. to engine maker instructions. Ensure that all suction points are fitted correctly with sampling funnel are securely tightened and in correct position specified by engine maker or Schaller Automation/EPP. If any sagging/u-bends on OMD pipe system, replace the defect pipe/hose before starting up of the oil mist detector/engine!
  • 11.93: Perform functional test of entire OMD system with smoke ampulla kit or smoke generator.

 

If not possible to use authorized personnel, do as follows:

  • 10.93: Overhaul the complete OMD incl. clean the inside & outside of baseplate thoroughly and replace service kit parts for oil mist detector.
  • 13.93 or 14.93: Replace measuring head or complete oil mist detector. Use our Exchange pool (EXP) and perform 12.93 and 11.93. When replacing complete oil mist detector, process no. 10.93 is not necessary to perform! All replacement (EXP) to be report back to epp@epp.no for registration!

Every 48 months or 32 000 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

151482 Cleaning kit 

151780 – Smoke test kit

150740 – Smoke test generator

Exchange Pool (EXP): Please contact us at epp@epp.no to find your specific exchange unit!

Note: When Exchange Pool (EXP) solution is used instead of Authorized Service Personnel (ASP) on 24 months or 16 000 hrs. and 48 months or 32 000 hrs. maintenance, Engine Protection Partner AS and Schaller Automation are not legally responsible of any failures, damages or other consequences caused by the oil mist detector pipe system described in chapter 12.93!

ASP – Authorized Service Personnel is authorized by Schaller Automation only!