Remove And Install Vibration Damper - 6By2 - Yanmar BY Series Service Manual

Camshaft and Timing Gear Train
12/05
8. Install special tool OEM No. 11 6 310
(Figure 5-83, (1)) onto the vibration damper.
Figure 5-83
(1)
Figure 5-83
9. Tighten bolt to specification with an angled
torque wrench (Figure 5-83, (2)).
Specifications
Vibration Damper Bolt
Torque
Initial Torque
Second Torque
Third Torque
Final Torque
10. Install starter motor. See Remove and Install
Starter Motor on page 10-5.
11. Install alternator and seawater pump belts. See
Remove and Install Alternator on page 11-5
and Replace Seawater Pump Belt on
page 7-19.
12. Connect battery negative (-) cable.
BY Service Manual
(2)
0003833
Specification
100 N·m (74 ft-lb)
Additional 60°
Additional 60°
Additional 30°
© 2009 Yanmar Marine International
Remove and Install Vibration
Damper - 6BY2
1. Disconnect battery negative (-) cable.
2. Remove alternator and seawater pump drive
belts. See Remove and Install Alternator on
page 11-5 and Replace Seawater Pump Belt on
page 7-19.
3. Remove bolts (Figure 5-84, (1)).
Figure 5-84
Figure 5-84
4. Remove the vibration damper.
5. Install vibration damper on crankshaft and
install new bolts.
6. Torque-turn tighten bolts diagonally to
specification.
Specifications
Vibration Damper Bolt
Torque
Initial Torque
Second Torque
Third Torque
7. Install alternator and seawater pump belts. See
Remove and Install Alternator on page 11-5
and Replace Seawater Pump Belt on
page 7-19.
8. Connect battery negative (-) cable.
ENGINE
Specification
40 N·m (30 ft-lb)
Additional 60°
Additional 60°
5-47