Valves
Inlet
Stem diameter 6.955–6.970 mm (0.27382–0.27441")
Service limit 6.89 mm (0.271")
Valve disc 0.925–1.075 mm (0.03642–0.04232")
Service limit 0.5 mm (0.02")
Valve depth beneath cylinder head plane 0.65–0.95 mm (0.0256–0.0374")
Service limit 1.8 mm (0.071")
Clearance, valve guide 0.025–0.052 mm (0.0010–0.0020")
Service limit 0.2 mm (0.08")
Seat angle in cylinder head 45°
Seat contact surface in cylinder head 1.70–2.10 mm (0.0670–0.0830")
Service limit 2.5 mm (0.098")
Valve clearance, cold engine 0.20 mm (0.0079")
Exhaust
Stem diameter 6.940–6.950 mm (0.27323–0.27362")
Service limit 6.84 mm (0.269")
Valve disc 0.925–1.075 mm (0.03642–0.04232")
Service limit 0.5 mm (0.02")
Valve depth beneath cylinder head plane 0.85–1.15 mm (0.0335–0.0453")
Service limit 1.8 mm (0.071")
Clearance, valve guide 0.045–0.072 mm (0.0020–0.0030")
Service limit 0.25 mm (0.0098")
Seat angle in cylinder head 45°
Seat contact surface in cylinder head 1.70–2.10 mm (0.0670–0.0830")
Service limit 2.5 mm (0.098")
Valve clearance, cold engine 0.20 mm (0.0079")
Valve springs
Length, uncompressed 35.0 mm (1.377")
Length at 79.4 Nm (58.56 lbf.ft) compression 30.4 mm (1.196")
Gear wheel group
Maximum play for all gear wheels 0.25 mm (0.0098")
Minimum play for all gear wheels 0.08 mm (0.0031")
03-2 Specifications, Engine
47701798 05-2013 © AB VOLVO PENTA 19
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