ENGINE ARRANGEMENT 4N3807 - Caterpillar

Introduction
A cold climate kit for the C4.4 engine has been introduced.Required Parts
Type 1 cold climate kit contains the parts that are listed in table 1.
Table 1
Required Parts
Part Number Description Qty
359-7588 Pipe - Breather 1
372-5869 Filter - Breather 1
397-1556 Pipe - Breather 1
6I-0291 Nut 1
316-9351 Mount - Fir Tree 3 Removal Procedure
Remove the existing crankcase breather. Refer to Disassembly and Assembly, "Crankcase Breather - Remove" for the correct procedure. Remove any fir trees for the cable ties. Do not remove the valve from the cylinder block. Retain the bolts that secure the crankcase breather to the cylinder head. Installation Procedure
Illustration 1 g03382444
Typical example
Position new breather canister (1) onto the cylinder head and install bolts (2). Tighten the bolts (2) to a torque of 22 N m (195 lb in).
Illustration 2 g03382454
Typical example
Ensure that plastic tube assemblies (3), and (4) are clean and free from restriction.
Connect plastic tube assembly (5) to the drain on the breather canister (1). Ensure that the plastic tube assembly is locked into place.
Connect plastic tube assembly (3) to breather canister (1). Ensure that plastic tube assembly (3) is correctly locked into the inlet of the crankcase breather canister (1).
Ensure plastic tube assembly (3) is correctly secured with the fir trees for the cable ties in the correct threaded holes. Use the most suitable route on the engine. Ensure that there are no dips or restrictions on the plastic tube assembly. The upper clipping point is to be kept clear.
Connect plastic tube assembly (4) to breather canister (1). Ensure that plastic tube assembly (4) is correctly locked into the inlet of the crankcase breather canister (1) and the valve mechanism cover.
Ensure that plastic tube assembly (4) is correctly secured with the fir trees for the cable ties in the correct plain or threaded holes.
Illustration 3 g03382472
Typical example
Secure the electrical connection (6) to bracket (7). Illustration 4 shows the wiring diagram for the application harness connection for 24V connections. Illustration 5 shows the wiring diagram for the application harness connection for 12V connections. Tables 2 and 3 detail the pin-out information for the connections.
Table 2
24 VDC Connections
Pin Description
1 24V power (red)
2 Not used
3 Not used
4 24V ground (black)
Table 3
12 VDC Connections
Pin Description
1 Connect to pin 2 (Connects red to blue)
2 Connect to pin 1 (Connects red to blue)
3 12V power (white)
4 12V ground (black)
Illustration 4 g03382488
Typical example
Illustration 5 g03382491
Typical example