Yanmar 6LPA-STP2 Service Manual page 150

ENGINE
To remove the timing belt when replacing the
timing belt tensioner only:
(a) Secure the belt by string (Figure 5-159, (3))
so that the engagement between the timing
pulley and timing belt will not be
disconnected.
(b) Alternately loosen the two bolts
(Figure 5-160, (1)) to remove them, and
then remove the timing belt tensioner.
Figure 5-160
(1)
Figure 5-160
(c) Remove the timing belt.
4. Remove the pivot bolt, idler pulley
(Figure 5-161, (1)) and plate washer
(Figure 5-161, (2)) using an 8 mm hex / allen
wrench (Figure 5-161, (3)).
Figure 5-161
(1)
(3)
Figure 5-161
5-70
5. Remove the four bolts (Figure 5-162, (1)),
No. 2 flange, timing pulley and No. 1 flange.
Figure 5-162
(1)
6. Remove the rocker cover. See step 8 starting in
Cylinder Head Removal on page 5-16.
7. Slowly turn the camshaft timing pulley
counter-clockwise to allow a wrench to align
with the flats (Figure 5-163, (1)) on the
camshaft. Hold the camshaft with a wrench to
remove the bolt (Figure 5-163, (2)) and timing
0005158
pulley.
Figure 5-163
(2)
0005159
© 2007 Yanmar Marine International
Figure 5-162
(1)
(2)
Figure 5-163
6LPA Service Manual
Timing Belt
(1)
0005160
0005161