Volvo Penta TAD660VE User Manual

Technical data: TD/TAD420VE, TAD620VE, TAD650VE, TAD660VE
17
Group 20
Diameter Ø (C), standard:
Inlet .................................................................... 42.7
-0.025
mm (1.681"
-0.001"
)
Exhaust .............................................................. 36.9
-0.025
mm (1.453"
-0.001"
)
Depth (D):
Inlet/Exhaust ...................................................... 10
+1
mm (0.4"
+0.04"
)
Seat bottom radius (R):
Inlet/Exhaust ...................................................... 1
-0.3
mm (0.04"
-0.0118"
)
Measurement between valve disc and cylinder head face:
Inlet/Exhaust ...................................................... Min 1.4 mm (0.055")
Valve guides
Inner diameter Ø:
Inlet/Exhaust ...................................................... 8.008
+0.0025
mm (0.3153"
0.00098"
)
Wear limit valve stem – guide:
Inlet .................................................................... 0.1 mm (0.0039")
Exhaust .............................................................. 0.13 mm (0.0051")
Valve springs
Type: ..................................................................... Single
Length: Unloaded: .................................................. 59
±1.9
mm (2.323"
±0.075"
)
Wire diameter Ø: .................................................... 4
±0.03
mm (0.16"
±0.001"
)
Ø A
B
Ø C
R
D
Outer diameter Ø (A), standard:
Inlet .................................................................... 42.79
-0.02
mm (1.685"
-0.0008"
)
Exhaust .............................................................. 36.99
-0.02
mm (1.456"
-0.0008"
)
Height (B):
Inlet .................................................................... 6.8
±0.1
mm (0.2677"
±0.004
)
Exhaust .............................................................. 7.5
±0.1
mm (0.2953"
±0.004
)
Valve seats
Valve seat location

Volvo Penta TAD660VE Specifications

General

Brand	Volvo Penta
Model	TAD660VE
Category	Engine
Language	English