Improved Engine Software and Diesel Exhaust Fluid Injector Assembly Is Now Used on Certain Material Handlers, Mobile Hydraulic Power Units, and Wheeled Excavators {108I, 7610, 7620}
- Material Handler
- MH3022 (S/N: FM21-538; FB31-2270)
- MH3024 (S/N: FM41-211; FB51-236; FB71-352)
- MH3026 (S/N: FB91-260)
- MH3024 (S/N: FM41-211; FB51-236; FB71-352)
- Mobile Hydraulic Power Unit
- M318F OEM (S/N: MH91-105)
- Wheeled Excavator
- M318F (S/N: FB81-610; F8B1-1069)
- M320F (S/N: FB21-450; F2W1-453)
- M322F (S/N: M321-1; FBW1-228; F2Z1-220)
- M320F (S/N: FB21-450; F2W1-453)
Description Of Change: An improved engine software and diesel exhaust fluid injector assembly is now used on the machines listed above. This improvement prevents the diesel exhaust fluid crystals from forming and allows diesel exhaust fluid to reach the injector and dissolve crystals during system prime.
Adaptable To: The following changes are adaptable to the products within the listed serial numbers, and are effective with all products after the listed serial numbers.
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| Required Parts List | ||
|---|---|---|
| Qty | Part Number | Part Name |
| 1 | Diesel Exhaust Fluid Injector As | |
| 1 | Engine Software | |
Show/hide table
| (1) | After failure only |
Install the improved 539-8400 Engine Software and replace the 460-9257 Diesel Exhaust Fluid Injector As.
The new software is available in the form of a flash file through the Caterpillar Service Information System (SIS). A newer part number may be available. SIS web only displays the latest available flash file.
Caterpillar Information System:
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