Local instruments Remote sensors Point of location
Pressure gauge
(manometer)
Pressure
transmitter/switch
Fuel oil
PI 8001 PT 8001 Fuel oil, inlet engine
Lubricating oil
PI 8103 PT 8103 Lubricating oil inlet to turbocharger/turbocharger
PI 8108 PT 8108 Lubricating oil inlet to main engine
PS/PT 8109 Lubricating oil inlet to main engine and thrust bearing
PDS 8140 Lubricating oil differential pressure – cross filter
High temperature jacket cooling water, jacket cooling water
PI 8401 PT 8401 Jacket cooling water inlet
PS/PT 8402 Jacket cooling water inlet (Only Germanischer Lloyd)
PDT 8403 Jacket cooling water across engine (or PT 8401 and PT 8413) (Not for LDCL)
PDT 8404 Jacket cooling water across cylinder liners (Only for LDCL)
PDT 8405 Jacket cooling water across cylinder covers and exhaust valves (Only for
LDCL)
PT 8413 Jacket cooling water outlet, common pipe
Low temperature cooling water, seawater or freshwater for central cooling
PI 8421 PT 8421 Cooling water inlet, air cooler
Compressed air
PI 8501 PT 8501 Starting air inlet to main starting valve
PI 8503 PT 8503 Control air inlet
PT 8505 Air inlet to air cylinder for exhaust valve (Only ME-B)
Scavenge air
PI 8601 PT 8601 Scavenge air receiver (PI 8601 instrument same as PI 8706)
PDI 8606 PDT 8606 Pressure drop of air across cooler/air cooler
PDT 8607 Pressure drop across blower filter of turbocharger (ABB turbochargers only)
Exhaust gas
PI 8706 Exhaust gas receiver/Exhaust gas outlet turbocharger
Miscellaneous functions
PI 8803 Air inlet for dry cleaning of turbocharger
PI 8804 Water inlet for cleaning of turbocharger (Not applicable for MHI turbochargers)
Table 18.05.01b: Local pressure gauges on engine, options: 4 70 119, and remote indication sensors, option: 4 75 127
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