•
Loosen the lock nuts of rocker arm adjusting screws and push the feeler gauge of specified
value between a rocker arm and a valve stem and adjust the clearance with adjusting screw
respectively and then tighten with the lock nut.
•
As for the valve clearance, adjust it when in cold, as follows.
•
Adjusting Sequence of Valve Clearance (Method 1)
- By cranking the engine, let #6 cylinder's valves overlap(#1 TDC).
- In time, adjust the valve clearance corresponding to " " of lower lists.
- In time, turning crankshaft one full turn, let the valves of #6 (8 cylinder engine and 12 cylinder
engine) or #7 (10 cylinder engine) cylinder's valves overlap.
- Adjust the valve clearance corresponding to " " of lower lists.
- After reinsuring the valve clearances, retighten if necessary.
* 8 Cylinder Engine (P158LE)
* 10 Cylinder Engine (P180LE)
* 12 Cylinder Engine (P222LE)
NOTE : In : Intake valve Ex. : Exhauust valve Cyl. : Cylinder
CYLINDER
1
2
3
4
5
NUMBER
IN
EX
IN
EX
IN
EX
IN
EX
IN
EX
CYLINDER
EX
IN
EX
IN
EX
IN
EX
IN
EX
IN
NUMBER
6
7
8
9
10
- 41 -
Model
Intake Valve
Exhaust Valve
P158LE
P180LE
0.25mm
0.35mm
P222LE
CYLINDER
1
2
3
4
NUMBER
IN
EX
IN
EX
IN
EX
IN
EX
CYLINDER
EX
IN
EX
IN
EX
IN
EX
IN
NUMBER
5
6
7
8
CYLINDER
1
2
3
4
5
6
NUMBER
IN
EX
IN
EX
IN
EX
IN
EX
IN
EX
IN
EX
CYLINDER
EX
IN
EX
IN
EX
IN
EX
IN
EX
IN
EX
IN
NUMBER
7
8
9
10
11
12