1999 Volvo Penta "WT" Models Workshop Manual, Page 242Get this manual
Cylinder Head Service
Disassembly Remove or Disconnect:
Tool Required: 8062 Valve Spring Compressor 1Spark plugs2Valve keys G) as follows:
aCompress the valve springs using 8062 Valve Spring Compressor
DRCS66J
bRemove the valve keyscRemove the valve spring compressor
springs and rotators