Yanmar 6LPA-STP2 Service Manual page 172

ENGINE
6. Tighten the adjusting screw on the valve bridge
and lock the adjusting screw by the lock nut
when resistance of the feeler gauge begins to
increase (Figure 5-224).
Note: Secure the valve bridge using a wrench
and lock the adjusting screw with the
lock nut. NEVER apply any torque to the
valve bridge.
Figure 5-224
(1)
(2)
Figure 5-224
1 – Slide Feeler Gauge
2 – Valve Bridge
3 – Tighten Adjusting Screw
4 – Adjusting Screw
5 – Tighten Nut
5-92
Valve Clearance Inspection and Adjustment
Figure 5-225
(3)
(4)
(5)
0005223
© 2007 Yanmar Marine International
7. Loosen the lock nut on the valve rocker arm.
8. Turn the adjusting screw on the valve rocker
arm and lightly slide the feeler gauge in and
lock the adjusting screw with the lock nut
(Figure 5-225).
(2)
(1)
Figure 5-225
1 – Slide Feeler Gauge
2 – Lock Adjusting Screw Nut
3 – Turn Adjusting Screw
4 – Adjusting Screw
5 – Valve Rocker Arm
6LPA Service Manual
(3)
(4)
(5)
0005224