Volvo Penta TAD720GE User Manual

Technical Data: TD/TAD520, TAD530/531/532
43
Group 20
Crank mechanism
Crankshaft length ................................................. 709.2 mm (27.92")
Crankshaft axial clearance
1)
................................. 0.1– 0.3 mm (0.0039"– 0.0118")
Main bearing radial clearance
1)
............................. 0.03
+0.062
mm (0.0012"
+0.0024"
)
Max, permissible ovality of main
bearing and crank pins ...................................... 0.01 mm (0.0004")
Max, run-out of center bearing .............................. 0.07 mm (0.0027")
1)
Important! The dimensions apply to oiled parts
Main bearing journals
Diameter Ø for machining (A): Standard .............. 85
-0.02
mm (2.9134"
-0.0008"
)
Undersize:
0.25 mm (0.01") ................................................. 84.75
-0.02
mm (3.3366"
-0.0008"
)
0.5 mm (0.02") ................................................... 84.5
-0.02
mm (3.3268"
-0.0008"
)
Main bearing journals:
Out-of-round: Max. ............................................ 0.01 mm (0.0004")
Taper: Max. ....................................................... 0.01 mm (0.0004")
Width (B), axial bearing journal : standard ............ 38
+0.06
mm (1.496"
+0.0024"
)
Oversize:
0.4 mm (0.0157") ............................................... 38.4
+0.06
(1.5118"
+0.0024"
)
Thrust washers (axial bearing)
Width (C): Standard .............................................. 2.9
+0.05
mm (0.1142"
+0.0039"
)
Oversize:
0.2 mm (0.0079") ............................................... 3.1
+0.05
mm (0.122"
+0.002"
)
Width (D): ............................................................. 10 mm (0.4")
Main bearing shells
Type ..................................................................... Replaceable
Outer diameter Ø (E) ............................................ 85.03
+0.036
mm (2.9035"
+0.0014"
)
Thickness (F): Standard ....................................... 2.727
+0.008
mm (0.1074"
+0.0003"
)
Oversize:
0.25 mm (0.01") ................................................. 2.852
+0.008
mm (0.1123"
+0.0003"
)
0.5 mm (0.02") ................................................... 2.977
+0.008
mm (0.1172"
+0.0003"
)
B
C
A
D
E
F

Volvo Penta TAD720GE Specifications

General

Brand	Volvo Penta
Model	TAD720GE
Category	Engine
Language	English