CARRIER 3P0310 - Caterpillar

Ensure that the engine is stopped before any servicing or repair is performed.
Care must be taken to ensure that Diesel Exhaust Fluid (DEF) for the system are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Dispose of all fluids according to local regulations and mandates.
Ensure that the area around the DEF manifold is free from contamination before any servicing or repair is performed.Type 1 Manifold
To remove the DEF manifold and the hoses connections from the DEF tank, refer to Disassembly and Assembly, Manifold (DEF Heater) - Remove and Install.
Illustration 1 g06159418
Note the location of the clamp (2) before removal.
Loosen clamp (2) and remove outer filter (3) from DEF manifold (1). Discard the old outer filter (3).
Illustration 2 g06159419
Pull locking tabs (5) outwards and remove the DEF filter (4) from DEF pickup tube (not shown). Discard used DEF filer (4).
With locking tabs (5) held open, install new DEF filter (4) onto DEF pickup tube. Ensure that the tabs (5) are holding the DEF filter (4) correctly.
Illustration 3 g03665754
Install new outer filter (3) on to the DEF manifold (1). Ensure that the location of the clamp (2) is correctly placed. Refer to illustration 3 for clamp location. Tighten the clamp to a torque of 4.5 N m (40 lb in).
Install the DEF tank header, refer to Disassembly and Assembly, Manifold (DEF Heater) - Remove and Install.Type 2 Manifold
To remove the DEF manifold and the hoses connections from the DEF tank, refer to Disassembly and Assembly, Manifold (DEF Heater) - Remove and Install.
Illustration 4 g06159487
Note the location of clamp (2). The clamp (2) must be between the marked location (A).
Loosen clamp (2) and remove outer filter (3) from DEF tank header (1).
Illustration 5 g06159580
Remove screws (7) and remove retaining plate (6).
Remove DEF filter (5) from pickup tube (4) and discard the used filter (5).
Install new filter (5) onto pickup tube (4).
Install the retaining plate (6) and install screws (7). Tighten screws (7) securely.
Install outer filter (3) onto DEF tank header (1). Ensure that the clamp (2) is located between the location points (A).
Tighten clamp (2) to a torque of 4.5 N m (40 lb in).
Install the DEF tank header, refer to Disassembly and Assembly, Manifold (DEF Heater) - Remove and Install.