TM 9-6115-604-34
NAVFAC P-8-633-34
CYLINDER HEAD CAPSCREW TIGHTENING SEQUENCE
CYLINDER HEAD CAPSCREW TIGHTENING STAGES
CAPSCREW TYPE
CADMIUM
LUBRICATED
(SILVER OR GOLD)
(BLACK)
STAGE
TORQUE
POUND-FEET
POUND-FEET
(NEWTON METERS)
(NEWTON METERS)
1. TIGHTEN IN
40 TO 60
40 TO 60
SEQUENCE TO
(54 TO 81)
(54 TO 81)
2. TIGHTEN IN
110 TO 130
140 TO 160
SEQUENCE TO
(149 TO 176)
(190 TO 217)
3. TIGHTEN IN
180 TO 190
140 TO 160
SEQUENCE TO
(244 TO 258)
(325 TO 217)
4. TIGHTEN IN SEQUENCE
250 TO 260
350 TO 360
TO FINAL TORQUE
(339 TO 353)
(475 TO 488)
Figure 9-12. Cylinder Head Tightening Procedure
9-19
