MacDon M1170 Operator's Manual page 138

Activating the Exhaust Aftertreatment Functions
Follow these steps to access the exhaust aftertreatment functions on the HPT display.
1. To display the main menu, press the soft key 5/menu
button (A) on the Harvest Performance Tracker (HPT).
2. To display the manual / inhibit SCR conditioning switches,
press soft key 5/menu button (A) next to the EXHAUST
AFTERTREATMENT icon (B).
3. To inhibit SCR conditioning, press soft key 5/menu (A) next
to the INHIBIT SCR CONDITIONING icon (B), and hold for 3
seconds. The SCR CONDITIONING INHIBIT icon (C) will
appear under the engine rpm display.
4. To select manual SCR conditioning, press soft key 4 (A) next
to the MANUAL SCR CONDITIONING icon (B), and hold for 3
seconds. The high exhaust system temperature (HEST)
icon (C) appears highlighted under the rpm display during
system cleaning.
NOTE:
The HEST icon also appears during normal operation when
exhaust temperature exceeds the maximum temperature
threshold. The icon remains on until the exhaust
temperature drops below the minimum temperature
threshold.
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Figure 4.22: HPT Display
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Figure 4.23: HPT Display
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Figure 4.24: HPT Display
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