AFTERTREATMENT SYSTEM HOT EXHAUST During parked regeneration the exhaust gases will be extremely HOT and could cause a fire if directed at combustible materials. The vehicle must be parked outside. Figure 26 Regen Request Switch NOTE: The driver MUST stay with the vehicle throughout the regeneration process. Cycle the park brake OFF to ON – once an ignition cycle Cycle the clutch pedal (if configured) once an ignition cycle NOTE: Not all vehicles may be equipped with a regen request switch due to application or user specification. Park Brake must be ON and the clutch must be released Engine should be on the idle governor (can not be in Fast Idle or PTO Mode) NOTE:
The procedure will take 20 to 40 minutes (depends on engine type and the amount of soot accumulated in the filter). The engine should be fully warmed up and operating on thermostat temperature (>60°C) To initiate a parked regeneration, the following must occur: For J1939 transmissions, the transmission must be in neutral (confirmed by the J1939 data link – current gear and selected gear is 0) Locate Regen request switch on dash board. This is a momentary style switch see Figure 26 Vehicle speed must be 0 mph If no regen request switch is present, DDDL 7.0 must be connected for initiation using the service routines menu.
Select “DPF Regen Request Start.” Hold the Regen Switch to the ON position for five seconds and release 64 All information subject to change without notice. (Rev. 04/08) DDC-SVC-MAN-0040 0704 Copyright © 2008 DETROIT DIESEL CORPORATION