Maintenance work on the carrier
7.5 Exhaust system with exhaust emission control
09.03.2018
Maintenance manual 3 302 744 en 7 - 37
GMK5250L
7.5.4 Having the AdBlue system checked
This inspection may only be performed by Manitowoc Crane Care or an
authorised GROVE dealer or an authorised specialist workshop.
• Have the entire AdBlue system checked for leaks and proper functioning;
à Overview, p. 7 - 33.
• Also observe the information on the components mounted on the engine;
à Engine manufacturer's documentation:
– AdBlue dosing unit,
– Solenoid valve for engine coolant for preheating the AdBlue tank.
Maintenance interval for the pump unit
The engine manufacturer specifies additional maintenance intervals for the
pump unit (1);
à Engine manufacturer's documentation.
AdBlue filter
• Have the AdBlue filter in the pump unit (1)
changed:
– For the first time after one year (M 12),
– after that, every two years (Y 2).
Pressure accumulator
• Have the pressure accumulator in the pump
unit (1) filled:
– For the first time after one year (M 12),
– after that, every two years (Y 2).
• Have the insulation hood (2) checked for damage and for tight fitting
on the AdBlue tank. The insulation hood prevents the AdBlue tank
freezing up.
• Have the electrically heated AdBlue lines at the pump unit (1) checked for
correct operation.
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