Perkins 1204F-E44TA - Operational Parameters; DEF Component Temperature Requirements

1204F - DEF System Supplement
4.3 Operational Parameters
4.3.1 DEF Component temperature Requirements
COMPONENT MAX TEMP °C
DCU/PEU – Ambient temperature around all
sides (worst case)*
-40 to 70°C Continuous Operational
-40 to 75°C max 120 minutes intermittent
-40 to 85°C Storage
DEF Injector – Ambient temperature * -40 to 125°C Continuous Operational
DEF Tank Surface – Ambient temperature *
65°C continuous
68°C – 10 minutes max intermittent
Coolant Valve – Ambient temperature *
-40 to 105°C continuous
150°C –15 minutes max intermittent
DEF lines - Ambient temperature *
-40 to 120°C continuous
140°C –15minutes max intermittent; with DEF flowing
*Temperatures to be measured in accordance with the appropriate test procedure.
Table 4.2 – DEF Component Temperature Limits
A&I manual Publication TPD 1832 – Production issue 3. Page 26 of 41