4-25
ENG
CYLINDER HEAD, CYLINDER AND PISTON
EC474831
Power valve
1. Inspect:
9
Power valve 1,2
1
Wear/Damage
→
Replace.
Carbon deposits
→
Remove.
9
Valve holder
2
9
Link lever
3
9
Valve shaft
4
9
Collar
5
Wear/Damage
→
Replace.
9
Spring
6
Broken
→
Replace.
EC474901
Power valve hole on cylinder
1. Remove:
9
Carbon deposits
From power valve hole surface
a
.
NOTE:
Do not use a sharp instrument. Avoid scratching
the aluminum.
EC475000
ASSEMBLY AND INSTALLATION
EC4751A1
Power valve
1. Install:
9
Power valve 1
1
9
Power valve 2
2
9
Bolt (power valve)
3
NOTE:
Install the power valve at cut-away faced
a
for
down side.
8 Nm (0.8 m•kg, 5.8 ft•lb)
1C3-9-32-4B 4/6/06 2:10 PM Page 16