VN/87 EMC Maintenance Guide

VN/87 EMC Maintenance Guide

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:

What to do:

Interval:

Procedure 1

  • Check the negative pressure with u- tube manometer. Adjust if necessary! Setting level is 60,00 mmH2O!
  • Replace the sintered bronze air filter/ fresh air filter (part no. 10042) in the measuring head.
  • Clean the fresh air bores in the measuring head. Use the cleaning needle (part no. 10135)
  • Clean both infra red sensor glasses in the measuring head with cotton pins and technical alcohol.

Every month

For step-by-step instructions see the dropdown «Procedure 1» below.

Procedure 2

  • Replace sintered bronze filter and o- ring in the pressure regulator

Every 4 months

For step-by-step instructions see the dropdown «Procedure 2» below.

Procedure 3

  • Replace maintenance kit for base plate (100150, 100151 or 100152). 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!

Yearly

For step-by-step instructions see the dropdown «Procedure 3» below.

Procedure 4

  • Replace measuring head with a spare unit. Use our Exchange Pool Service (ExP) for this procedure!
  • Replace maintenance kit for base plate (100150, 100151 or 100152). 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 have siphon blocks:

  • Replace rubber inserts and o-rings in siphon blocks (Part no.: 10095/360106 & 365287.

If you are ordering a complete exchange oil mist detector unit, there is no need to replace maintenance kit for base plate.

Every 4 years

For step-by-step instructions see the dropdown «Procedure 4» below.

Below you will find the description of the necessary steps to perform maintenance on all Visatron VN/87, VN/87 EMC & VN/87plus oil mist detector systems.