C7 On-highway Engine Caterpillar

Illustration 1	g01261192

(1) Torque for two studs ... 30 ± 4 N·m (22 ± 3 lb ft)

(2) Torque for four bolts ... 30 ± 4 N·m (22 ± 3 lb ft)

Illustration 2	g01593758

(3) Torque for the regulator ... 17 ± 2 N·m (13 ± 1 lb ft)

(4) Torque for two socket setscrews ... 25 ± 2 N·m (18 ± 1 lb ft)

(5) Torque for three bolts ... 7.0 ± 0.4 N·m (60 ± 4 lb in)

Use the following procedure to tighten the bolt (6) :

1. Apply 154-9731 Thread Lock Compound to the threads of the bolt.

2. Tighten the bolt to 200 N·m (150 lb ft).

3. Back out the bolt for 180 degrees.

4. Again, tighten the bolt to 200 N·m (150 lb ft).

5. Rotate the bolt to an angle of 31 ± 2 degrees.

6. Final installation torque of the bolt is 500 ± 50 N·m (370 ± 37 lb ft).

Illustration 3	g01593814

(A) Installation depth for the dowel ... 5.0 ± 1.0 mm (0.20 ± 0.04 inch)

(C) Orientation of the regulator to 10 ± 2 degrees

Illustration 4	g01632976
View B-B (7) Elbow

(8) Torque for the O-ring connector ... 22 ± 2 N·m (16 ± 1 lb ft)

(9) Torque for two bolts ... 30 ± 4 N·m (22 ± 3 lb ft)

(10) Torque for two studs ... 30 ± 4 N·m (22 ± 3 lb ft)

Illustration 5	g01632977

(11) Torque for the stop plug ... 4.5 ± 0.5 N·m (40 ± 4 lb in)