Cummins 4BT – Rocker Lever Assembly – Installation

Make sure the dowel rings in the pedestals are installed into the dowel bores.

Inspect all cylinder head capscrews for proper length using Service Tool Part No. 3823921.
Use clean engine oil to lubricate the threads and under the heads of the capscrews.
Install the capscrews into the pedestals.

18 mm
Step 1: All
Tighten the cylinder head capscrews to 90 N*m [66 ft-lb].
Step 2: (Long cylinder head capscrews only) Tighten the cylinder head capscrews to 120 N*m [90 ft-lb].

18 mm
STEP 3:
After the long cylinder head capscrews have been tight­ened to 120 N®m [90 ft-lb], rotate all capscrews an ad­ditional 90°.

13 mm
Tighten the 8 mm pedestal capscrews.
Torque Value: 24 N*m [18 ft-lb]