TM 5-2420-230-24-2
B3.9 and B5.9 Series Engines
Cylinder Head (002-004)
Section 2 - Cylinder Head - Group 02
Page 2-15
Step 2
2. Follow the numbered sequence, and tighten the six
long capscrews only (No. 4, 5, 12, 13, 20, and 21).
Torque Value: (Step 2) 120 Nm
[89 ft-lb]
Step 3
3. Retighten the short capscrews (No. 1, 2, 3, 6, 7, 8, 9,
10, 11, 14, 15, 16, 17, 18, 19, 22, 23, 24, 25, and 26)
because of cylinder head relaxation and to obtain
proper cylinder head torque requirements.
Torque Value: (Step 1) 90 Nm
[66 ft-lb]
Step 4
4. Repeat step 2 because of cylinder head relaxation and
to obtain proper cylinder head torque requirements.
Torque Value: (Step 2) 120 Nm
[89 ft-lb]
Step 5
Follow the numbered sequence, and turn the capscrew 90
degrees as indicated on the capscrew head.
L-811
