Yanmar BY Series Service Manual page 71

Special Torque Chart
12/05
System
Main Bearing Cap
Crankshaft and
Replace Bolts
Bearings
Lightly oil threads
Oil Pick-Up to Oil Pump
Oil Pump
Reinforcement Shell
Oil Filter Cap to Oil Filter
Oil Filter
Housing
Thermostat and Coolant Return to Cylinder
Connections Head and Oil Filter Housing
Intake Manifold to Cylinder
Air Intake
Head
Turbocharger to Exhaust
Manifold
Turbocharger Oil Supply Line
Exhaust
Turbocharger Oil Return to
Crankcase
Exhaust Manifold to Cylinder
Head
Alternator
Wiring Harness to Ground
Holder
DDE Wiring
Harness Pick Up to
Battery Positive
Terminal
Electrical System
Engine Wiring Injector Guide
Harness Strip to Cylinder
Head Cover
Coolant Sensor to Cylinder
Head
Camshaft Position Sensor
Pickup
Sprocket to High-Pressure
Pump
Fuel System
Injection Pump Drive
Fuel Measuring Valve to
High-Pressure Pump
BY Service Manual
Component
Wires to Alternator
Alternator to Crankcase
Belt Pulley with Free Wheel
© 2009 Yanmar Marine International
Model Thread
M10 x 80
4BY2
Grade 12.9 Torque Angle
6BY2
PHR
4BY2
M6 x 20
6BY2
4BY2
M6 x 16
6BY2
4BY2
-
6BY2
4BY2
M8 x 18
6BY2
4BY2
M7 x 50
6BY2
4BY2 Apply Copper
-
6BY2 Anti-seize to Threads
4BY2 Replace Banjo Bolt
M10
6BY2 and Sealing Rings
4BY2
-
6BY2
4BY2 - Apply Copper
Anti-seize to Threads
6BY2 -
4BY2 M8
4BY2 M10
4BY2 -
4BY2 M6
4BY2
M6
6BY2
4BY2
-
6BY2
4BY2
-
6BY2
4BY2
-
6BY2
4BY2
M14 x 1.5
6BY2
4BY2
M5 x 20
6BY2
Comments Specification
Initial Torque
22 N·m (195 in.-lb)
Plus 90°
-
10 N·m (89 in.-lb)
-
10 N·m (89 in.-lb)
-
25 N·m (221 in.-lb)
-
10 N·m (89 in.-lb)
-
15 N·m (133 in.-lb)
23 N·m (204 in.-lb)
22 N·m (195 in.-lb)
Hose Clamp
3 N·m (27 in.-lb)
19 N·m (168 in.-lb)
13 N·m (115 in.-lb)
- 13 N·m (115 in.-lb)
- 38 N·m (28 ft-lb)
- 80 N·m (59 ft-lb)
-
7 N·m (62 in.-lb)
-
9 N·m (80 in.-lb)
-
3.5 N·m (31 in.-lb)
-
13.4 N·m (119 in.-lb)
-
2.3 N·m (20 in.-lb)
-
65 N·m (48 ft-lb)
-
6.6 N·m (58 in.-lb)
ENGINE
5-9