Maintenance Plan – VN/87 EMC

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!

Procedure no:	What to do:	Interval:	Part kit to be used:
Procedure 1	Check the negative pressure with u-tube manometer or digital manometer. Adjust if necessary! Setting level is 60,00 mmH2O!	Every month or 650 engine running hours. *(whatever comes first)*	U-tube gauge kit – Part no.: 270532
Procedure 2	Replace the sintered bronze air filter/fresh air filter in the measuring head. Clean the fresh air bores in the measuring head. Use the cleaning needle. Clean both infrared sensor glasses in the measuring head with cotton pins and cleaning fluid. Perform functional test with test glass kit.	Every 3 months or 2 000 engine running hours. *(whatever comes first)*	Filter kit VN/87 – Part no.:151481BU Cleaning kit – Part no.: 151482 Test glass kit – Part no.: 11072
Procedure 3	Replace filter in pressure regulator. If you have a water separator: Replace filter cartridge of water separator.	Every 6 months or 4 000 engine running hours. *(whatever comes first)*	Filter cartridge – Part no.: 273119
Procedure 4	Replace complete service kit on OMD. Clean the inside & outside of base plate. Check performance of pressure regulator- replace parts if necessary! Clean suction pipes/ pipe system and siphon blocks with compressed air!	Every 12 months or 8 000 engine running hours. *(whatever comes first)*	Maintenance kit VN115/87 – 100150-151483 Maintenance kit VN116/87 – 100151-151484 Maintenance kit VN215/87 – 100152-151485
Procedure 5 *Recommendation:* *Use authorized service personnel for this procedure.*	Replace complete oil mist detector or measuring head with an exchange unit or use authorized service personnel for inspection! Replace complete service kit on OMD. Clean the inside & outside of base plate. Check performance of pressure regulator- replace parts if necessary! Clean suction pipes/pipe system and siphon blocks with compressed air. Check sampling funnels/pipe system. If your system has siphon blocks: Replace rubber inserts and o-rings in siphon blocks.	Every 48 months or 32 000 engine running hours. *(whatever comes first)*	Maintenance kit VN115/87 – 100150-151483 & exchange unit! Maintenance kit VN116/87 – 100151-151484 & exchange unit! Maintenance kit VN215/87 – 100152-151485 & exchange unit!