1999 Volvo Penta "WT" Models Workshop Manual, Page 80Get this manual
Installation INotel Before installing any new lifters, coat the bottom of each
lifter with Molykote Lubricant or its equivalent1Install valve lifters in cylinder blockIf any new lifters or new camshaft has been installed, an additive containing EP lubricant such as GM Engine Super Oil Supplement must be added to the crankcase oil for break-in2Install push rods onto lifters and install push rod cover with new gasket3Install distributor {position rotor to mark on housing and block}Install coil and bracketConnect both connectors to coilInstall distributor cap and attach spark plug and coil wiresConnect both connectors to distributor4Install shift bracket assembly5Pivot rocker arms in place and turn adjusting nuts the amount necessary to eliminate lash
Valve Lash Adjustment
Adjust valve lash when lifter is on base circle of cam as follows: 1Remove distributor cap and crank engine until distributor rotor points to number one cylinder terminalIn this position the piston in number one cylinder is at top center on compression strokeBoth lifters are 01 base circle of cam and both valves can be adjusted]