Check Valve Clearance - Vetus DIESEL VH4.65 Operation Manual

Maintenance
TDC mark
cylinder 1 and 4
VD00246
Locating TDC
Locate the Top Dead Center (TDC), at the
end of the compression stroke, for cylin-
der 1 by barring the engine slowly until the
TDC marks of the engine block and the
crank pulley match.
42
Mark on
gearcase
19
VD00248
Adjusting valve clearance
• Check valve clearance at indicated
valves and adjust if necessary.
Port-side
Starboard
Checking valve clearance
Every 1000 operating hours.
V : i 0.15 mm (0.006")
alVe ClearanCe nlet
e 0.15 mm (0.006")
xhauSt
VD01110
12 PH1