Maintenance work on the superstructure
8.5 Exhaust system with exhaust emission control
16.08.2018
Maintenance manual 3 302 577 en 8 - 39
GMK7450
8.5.4 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 correct operation;
Overview, p. 8 - 35.
• 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 un
it (1);
à Engine manufacturer’s documentation.
AdBlue filter
A diagnostic unit and special tools are
re
quired for this work.
The operating pressure must be discharged
before replacing the filters.
• Have the AdBlue filter (2) in the pump unit
(1) changed.
Grove part no. 04182142.
The operating pressure must be adjusted
anew after replacing the
filters!
• Have the electrically heated AdBlue cables at the pump unit (1) checked
for correct operation.
The AdBlue tank (3) can be fitted
with an insulation hood as extra equipment.
• Have the insulation hood checked for damage and for tight fitting on the
AdBlue tank. The insulation hood prevents the AdBlue tank freezing up.
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