23.13
Maintenance on the physical connections
of the engine control system
Note ! Each and every one of the maintenance procedures below are to
be done only when the engine is in Stop Mode!
Connectors to be maintained:
DIN43650, “Hirschmann-type” connectors for all temperature
and pressure sensors
Cannon connectors for all the main gas admission and precham-
ber control valves
Method for maintaining screw terminals
Phoenix connectors in the CCU’s, DCU’s, KDU’s, and SMU’s
Weiland connectors on the rear side of the MCU
Row connectors of the MCU rack in the MCU cabinet
Profibus cable connector of the MCU rack inside the MCU
23.13.1 Maintenance of the DIN43650, “Hirschmann-
type” connectors
Locate the DIN43650, “Hirschmann-type” connector which is mounted
on the main gas pressure sensor. Locate the holding screw in the top
of the connector. Using a suitable sized flat tip screwdriver, loosen and
remove the screw holding the connector onto the pressure sensor.
DIN43650, “Hirschmann-type” connector
1 Remove, by pulling, the connector from the sensor.
Still
holding the part of the connector, with the wires leading into it; use
the same screwdriver and carefully open the body of the connector
itself to expose the four screws inside.
2 Tighten each of the four screws
with the screwdriver and put
Fig 23-23
3223189723
WECS 3000
34SG-200408-01