4-22 SHB 803 en – Edition 2.4 * 803s410.fm
Engine
4.20 Tightening order for cylinder head bolts
Always perform work on the cylinder head on a cold engine!
Order for removing the cylinder-head bolts:
Order for installing the cylinder-head bolts:
Apply a thin coat of oil to the threads and contact surfaces before installing.
Bear in the mind the order for tightening the cylinder-head bolts!
Fan wheel side
Camshaft side
Camshaft side
Fan wheel side
Tightening torques for cylinder-head bolts (M9x1.25)
1st position 29.5 – 31.5 Nm 21.5 – 23 ft.lbs.
2nd position 59 – 63 Nm 43.5 – 46.5 ft.lbs.
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