1999 Volvo Penta "WT" Models Workshop Manual, Page 135Get this manual
Cleaning, Inspection, and Measurement Refer to General Engine Mechanical section in this manual
Rocker Arm Stud Replacement
Remove or Disconnect:
Valve rocker arm stud by unscrewing
Install or Connect:
Screw valve rocker arm stud into cylinder head
Tighten:
Valve rocker arm stud to 35 ftlb(47 Nm)
Cylinder Head Assembly