Cat c15 c16 c18 vavulas

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C-12, C-15, C-16 Caterpillar Engines For AGCO Challenger BDS00001... https://sis.cat.com/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnu...
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Producto: CHALLENGER
Modelo: MT865 CHALLENGER BDS
Configuración: C-12, C-15, C-16 Caterpillar Engines For AGCO
Challenger BDS00001-UP (MACHINE)
Pruebas y Ajustes
C-15 and C-16 IndustrialEngines
Número de medio -RENR2347-02 Fecha de publicación -01/06/2002 Fecha de actualización -08/11/2001
i02739823
Engine Valve Lash - Inspect/Adjust
SMCS - 1102-025
To prevent possible injury, do not use the starter to turn the flywheel.
Hot engine components can cause burns. Allow additional time for the
engine to cool before measuring valve clearance.
This engine uses high voltage tocontrol the fuel injectors.
Disconnect electronic fuel injector enable circuit connector to prevent
personal injury.
Do not come in contact with the fuel injector terminals while the engine
is running.
Note: Valve lash is measured between the rocker arm and the valve bridge. All measurements and
adjustments must be made with the engine stopped and the valves fully closed.
Valve Lash Check
Anadjustment is not necessary if the measurement of the valve lash is in the acceptable range in Table 1.
Table 1
Inlet Valves Exhaust pdfMachine Valves
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Valve Lash (Stopped Engine) 0.38 ± 0.08 mm
(0.015 ± 0.003 inch)
0.76 ± 0.08 mm
(0.030 ± 0.003 inch)
TC Compression Stroke 1-2-4 1-3-5TC Exhaust Stroke (1) 3-5-6 2-4-6
Firing Order 1-5-3-6-2-4 (2)
( 1 ) 360° from TC compression stroke
( 2 ) The No. 1 cylinder is at the front of the engine.
If the measurement is not within this range, an adjustment is necessary. Refer to "Valve Lash Adjustment" for
the proper procedure.
Valve Lash Adjustment
Illustration 1 g01373511
Cylinder and valve location
(A) Exhaust valves
(B)Inlet valves
Use the following procedure to adjust the valve lash:
Put the No. 1 piston at the top center position on the compression stroke. Refer to Testing and
Adjusting, "Finding Top Center Position for No. 1 Piston".
1.
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Table 2
TC Compression Stroke Inlet Valves ExhaustValves
Valve Lash 0.38 ± 0.08 mm
(0.015 ± 0.003 inch)
0.76 ± 0.08 mm
(0.030 ± 0.003 inch)
Cylinders 1-2-4 1-3-5
Adjust the valve lash according to Table 2.
Lightly tap the rocker arm with a soft mallet. This will ensure that the lifter roller seats against the
camshaft's base circle.
a.
Loosen the b. adjustment locknut.
Place the appropriate feeler gauge between rocker arm and thevalve bridge. Then, turn the
adjustment screw in a clockwise direction. Slide the feeler gauge between the rocker arm and the
valve bridge. Continue turning the adjustment screw until a slight drag is felt on the feeler gauge.
Remove the feeler gauge.
c.
Tighten the adjustment locknut to a torque of 30 ± 7 N·m (22 ± 5 lb ft). Do not allow the
adjustment screw to turn while you are tightening...
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