Volvo Penta TD520GE Workshop Manual page 60

Assembly, complete engine
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70
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87. Install the rocker arm brackets, according to the
markings, and align them with the push rods/
valves.
88. Tighten the screws to ............. 21 Nm (15 lbf ft).
89. Set the valve clearance, see "Valve clearance,
adjusting" in the Repairing components chapter.
Inlet ...................... 0.35 ±0.05 mm (0.01±0.002")
Exhaust ................ 0.55 ±0.05 mm (0.02±0.002")
90. Remove the cranking tool.
91. Fit the stop solenoid with a new O-ring. With the
control rod (fuel rack) in stop position, put the
stop solenoid into place.
NOTE! For engines with electronic governor, fit the
plug with a new O-ring.
NOTE! Lightly oil the O-ring.
Group 21