CYLINDER HEAD AS 3446150 - Caterpillar

Ensure that wiring harness are correctly routed and the cable straps are not over tightened. Over tightening of the cable straps will damage the wiring harness convoluting.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Ensure that all components are clean and free from wear and damage. If necessary, replace any components that are worn or damaged.
Illustration 1 g03458958
If necessary, follow Step 2.a through Step 2.d in order to install bracket (28).
Position bracket (28) onto cylinder head (29).
Install bolts (27) hand tight. Ensure that rubber sleeve (31) is correctly positioned into recess of bracket (28).
Tighten bolts (27) to a torque of 22 N m (195 lb in).
Install new cable straps (30). Note: Ensure that the cable straps meet the Original Equipment Manufacturer (OEM) specification.
Illustration 2 g03458960
Illustration 3 g03458961
Position a new gasket (17) onto inlet air control assembly (8). Ensure gasket (17) is correctly installed into locating Pins (X).
Loosen bolts (33) for bracket (32).
Illustration 4 g03456497
Illustration 5 g03456498
Illustration 6 g03458961
Position inlet air control assembly (8) onto the bracket. Note: Ensure that the inlet air control assembly is correctly installed onto the hose assembly for the inlet elbow.
Install bolts (26) to inlet air control assembly (8) hand tight.
Install bolts (14) hand tight. Ensure that the gasket (17) remains correctly positioned onto inlet air control assembly (8).
Tighten bolts (26) to a torque of 22 N m (195 lb in).
Tighten bolts (14) to a torque of 22 N m (195 lb in).
Tighten bolts (33) for bracket (32) to a torque of 44 N m (32 lb ft).
Position tube assembly (25) onto inlet air control assembly (8). Loosely install bolt (24) and bolt (15) to the tube assembly.
Install sealing washer (22) (not shown) to banjo bolt (23). Install the banjo bolt to tube assembly (25) and install remaining sealing washer (22) (not shown) to the banjo bolt.
Tighten banjo bolt (23) to a torque of 15 N m (133 lb in).
Tighten bolt (24) and bolt (15) to a torque of 22 N m (195 lb in).
Position a new hose clamp (18) onto hose assembly (19). Install hose assembly to inlet air control assembly (8). Tighten hose clamp (18).
Position a new hose clamp (20) onto hose assembly (21). Install hose assembly to inlet air control assembly (8). Tighten hose clamp (20).
Install temperature sensor (16) to the inlet air control assembly. Refer to Disassembly and Assembly, "Temperature Sensor (Cooled Exhaust Gas) - Remove and Install" for the correct procedure.
Connect hose assembly (13) to the wastegate actuator. Slide clip (12) along hose assembly (13). Ensure that the clip is correctly positioned onto the hose.
Illustration 7 g03456496
Illustration 8 g02518536
Hose clamp Type (A)
Hose clamp Type (B)
Tighten hose clamps (10) on the hose assembly that connects inlet air control assembly (8) to inlet elbow (11). Refer to Illustration 8 in order to determine the correct type of hose clamp. Tighten hose clamps Type (A) to a torque of 11 N m (97 lb in).Tighten hose clamps Type (B) to a torque of 7 N m (62 lb in).
Slide connection for wiring harness assembly (4)