Yanmar 6LPA-STP2 Service Manual page 154

ENGINE
8. Install the rocker cover using new seal washers
and bolts. Uniformly tighten the bolts in several
passes and torque to 65 kgf·cm, 6.37 N·m
(56.3 lb-in.) (Figure 5-177).
Figure 5-177
Figure 5-177
9. Align the knock pin (Figure 5-178, (1)) on the
injection pump drive gear with the knock pin
hole of No. 1 flange timing pulley.
10. Install the No. 1 flange, timing pulley and No. 2
flange using four bolts (Figure 5-178, (2)) and
torque to 315 kgf·cm, 30.87 N·m (22.7 lb-ft).
Figure 5-178
(1)
Figure 5-178
11. Install the plate washer (Figure 5-179, (1)) and
idler pulley (Figure 5-179, (2)) by the pivot bolt,
using an 8 mm allen / hex wrench
(Figure 5-179, (3)).
• Torque specification:
350 kgf·cm, 34.32 N·m (25.3 lb-ft).
5-74
0005176
(2)
(2)
0005177
© 2007 Yanmar Marine International
Figure 5-179
(2)
(3)
Figure 5-179
12. Check the pulley bracket for smooth movement.
13. Align the timing mark of the No. 2 camshaft
timing pulley with the bottom dead center (BDC)
mark (Figure 5-180). NOTICE: NEVER turn the
camshaft pulley as the valve heads will contact
the piston heads causing engine damage.
14. Align the timing mark of No. 1 camshaft timing
pulley to the bottom dead center (BDC) mark
(Figure 5-180).
Figure 5-180
Figure 5-180
15. Prepare to install the timing belt. WARNING!
ONLY install the timing belt when the engine
is cool.
6LPA Service Manual
Timing Belt
(1)
0005178
0005179