Adjustment instructions
(1) Exhaust valve
(2) Inlet valve
(3 ) Injector
The adjustment has to be made from the space
between the rocker and the connecting cap as
shown in the picture.
• Loosen the locknut on the adjusting screw.
• Check the clearance with a feeler gauge and
adjust to the correct clearance by turning the
adjusting screw.
• Tighten the locknut and check again that the
clearance is correct.
1
2
3
Fig. 36
Adjusting order
3 cylinder engine
Check the valve clearances in the injection order of the engine. Injection order is 1 - 2 - 3.
• Check valves in the 1st cylinder, when the exhaust valves of no. 3 cylinder are completely open.
• Check valves in the 2nd cylinder, when the exhaust valves of no. 1 cylinder are completely open.
• Check valves in the 3rd cylinder, when the exhaust valves of no. 2 cylinder are completely open.
4 cylinder engine
• Rotate the crankshaft in the running direction until the valves in the 4th cylinder are rocking (exhaust
closes, inlet opens). Check the valve clearance of the 1st cylinder.
• Rotate the crankshaft by 1/2 of a turn in the running direction so that valves in the 3rd cylinder are
rocking. Check valves in the 2nd cylinder.
• Continue according to the order of injection:
Injection order 1 - 2 - 4 - 3
Valves rock in cyl. no. 4 - 3 - 1 - 2
6 cylinder engine
• Rotate the crankshaft in the running direction until the valves in the 6th cylinder are rocking (exhaust
closes, inlet opens). Check the valve clearance of the 1st cylinder.
• Rotate the crankshaft by 1/3 of a turn in the running direction so that valves in the 2nd cylinder are
rocking. Check valves in the 5th cylinder.
• Continue according to the order of injection:
Injection order 1 - 5 - 3 - 6 - 2 - 4
Valves rock in cyl. no. 6 - 2 - 4 - 1 - 5 - 3
7 cylinder engine
• Rotate the crankshaft in the running direction until the valves in the 6th cylinder are rocking (exhaust
closes, inlet opens). Check the valve clearance of the 1st cylinder.
3. Maintenance
3-24 4th Generation Engines
8370 79492
To Next Page
Loading...
