Maintenance work on the superstructure
8.5 Exhaust system with exhaust emission control
8 - 38 3 302 577 en Maintenance manual
GMK7450
16.08.2018
Checking
• Check the exhaust pipes (2) for damage,
from the engine (1) to the DOC catalytic con-
verter with DPF particle filter (3), the AdBlue
mixing pipe (4), the SCR catalytic
converter (5) and up to the end pipe.
The exhaust pipes (2) may not have any
loose clamps, holes or cracks.
• Check that the area around the exhaust
pipes is free of loose components which
could burn by coming into contact with the
hot exhaust system.
• Check the mixing tube (4) at the inclined
filler neck for injecting AdBlue for external
damage.
After checking
• Start the engine.
• Check the lamp for the AdBlue system and the lamps for the exhaust sys-
tem on the side console in the crane cab;
à P. 8 - 36; à P. 8 - 40.
• Check whether exhaust gases are leaking from any damaged places in the
exhaust system.
• Switch the engine off and allow it to cool down.
If you discover any damage
Have any damaged parts of the exhaust system replaced immediately by
Manitowoc Crane Care or an authorised GROVE dealer.
G
Risk of burns if the exhaust system is hot!
The exhaust system becomes extremely hot during operation.
Especially during the
regeneration phases, the exhaust gas temperature can
reach 600 °C (1100 °F).
Wear suitable gloves and wait until the exhaust system has cooled down.
Make sure not to touch any h
ot parts.
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