Published 01-15-2016, Control # 526-01 3-7
RT540E OPERATOR MANUAL OPERATING CONTROLS AND PROCEDURES
Inhibit Regeneration
The Inhibit Regeneration Indicator (25) is located in the CCS
display (Figure 3-14). When the Regen Switch (7)
(Figure 3-4) is in the inhibit regeneration position, this amber
indicator is illuminated and active and manual regeneration
is prevented.
Diesel Exhaust Fluid
The Diesel Exhaust Fluid (DEF) Indicator (6) (Figure 3-14) is
located in the CCS display. The indicator has four different
stages which will be triggered by the fluid level sensor in the
DEF tank:
Low Tank - First warning to the operator is that the reducing
agent in the tank is low. The DEF Indicator (6) will be lit
continuously.
Derate - The DEF Indicator (6) will start to flash as a warning
to the operator that a derate will be activated if the reducing
agent in the DEF tank is not refilled.
Low Level Inducement - The DEF Indicator (6) will flash and
the Engine Warning Indicator (17) will be lit continuously.
Derate will be activated at this stage.
Severe Inducement - Once the DEF (6) tank is empty, the
crane operation will be restricted. The DEF Indicator (6) will
flash and the Stop Engine Indicator (16) is solid red.
High Exhaust System Temperature
The High Exhaust System Temperature (HEST) Indicator
(26) (Figure 3-14) is located on the CCS Main Screen
display.
During regeneration it is possible for the engine exhaust to
reach temperatures exceeding 650° C (1200° F). The HEST
indicator will illuminate red to warn the operator of when
temperatures reach 675° C (1247° F) and will stay on until
the temperatures falls below 625° C (1157° F).
A warning light near the tailpipe will flash during regeneration
when high exhaust temperatures exist.
For more information on the regeneration process, refer to
Diesel Particulate Filter (Tier 4 Engines Only), page 3-6.
CAUTION
Engine Damage Hazard!
Ultra low sulfur diesel fuel is required in Tier 4 engines.
If “Ultra Low Sulfur” fuel is not used in engines that require
it, the Cummins warranty will be void and the engine
performance will quickly deteriorate and may stop
running.
Reference Only
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