VN/93 Maintenance Guide

VN/93 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!

 

What to do:

Interval:

Part kit:

Procedure 1

  • Check the negative pressure with u-tube manometer or digital 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 infrared sensor glasses in the measuring head with cotton pins and technical alcohol.
  • ·         Perform functional test with test glass kit.

Every 3 months or 2 000 operating hours. (whatever comes first)

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

Test glass kit – Part no.: 11072

Procedure 2

  • Replace filter in pressure regulator (Part no.: 100170).

If you have a water separator:

  • Replace filter cartridge of water separator.

Every 6 months or 4 000 operating hours. (whatever comes first)

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

 

Procedure 3

  • 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 scavenging air outlet behind the control cover manually (low-right) by feeling the air stream.

Every 12 months or 8 000 operating hours. (whatever comes first)

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

Maintenance kit VN115/93 – 100153

Maintenance kit VN116/93 – 100154

Maintenance kit VN215/93 – 100155

Alternative kits can be found here!

Procedure 4

This procedure is to be carried out by authorized service personnel!

  • Overhaul the complete oil mist detector system. 
  • 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!
  • Perform functional test of entire oil mist detector system with smoke generator (Part no.: 10353 & 10097) or smoke test (Part no.: 151780).

 

Every 24 months or 16 000 operating hours. (whatever comes first)

 

Maintenance kit VN115/93 – 100153

Maintenance kit VN116/93 – 100154

Maintenance kit VN215/93 – 100155

Alternative kits can be found here!

Procedure 5

  • Replace complete oil mist detector or measuring head with an exchange unit.
  • 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!

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

Every 48 months or 32 000 operating hours. (whatever comes first)

For step-by-step instructions see the dropdown «Procedure 5» below.

Maintenance kit VN115/93 – 100153

Maintenance kit VN116/93 – 100154

Maintenance kit VN215/93 – 100155

Alternative kits can be found here!

Below you will find the description of the necessary steps to perform maintenance on all Visatron VN/93 oil mist detector systems.