habilidad n84 - ajuste apropiado de la cadena en tractores

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Operation and Maintenance Manual D8R Track-Type Tractor

Track - Check/Adjust

SMCS - 4170-036

Check the track adjustment. Check the track for wear and for excessive dirt buildup.

1. Move the machine forward. Allow the machine to coast to a stop without the use of the service

Shutdown SI

Previous Screen

Product: TRACK-TYPE TRACTOR

Model: D8R TRACK-TYPE TRACTOR 9EM

Configuration: D8R Track-Type Tractor 9EM00001-UP (MACHINE)POWERED BY 3406 Engine

Media Number -SEBU6891-02 Publication Date -01/04/1999 Date Updated -12/05/2004

i01032562

Illustration 1 g00479439

Grease is under high pressure.

Grease coming out of the relief valve under pressure can penetrate thebody causing injury or death.

Do not watch the relief valve to see if grease is escaping. Watch thetrack or track adjustment cylinder to see if the track is being loosened.

Loosen the relief valve only one turn.

Página 1 de 5D8R Track-Type Tractor 9EM00001-UP (MACHINE) POWERED BY 3406 Engine(S...

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If the machine is equipped with a carrier roller, the correct adjustment of dimension (3) and dimension(4) is 65 ± 10 mm (2.6 ± .4 inch).

Loose Track Adjustment



NOTICE

Do not attempt to tighten track when dimension (1) is 142 mm (5.60inch) or more. Contact your Caterpillar dealer for track service orinstructions.




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1. Remove the access cover.

2. Add multipurpose grease (MPGM) through track adjustment valve (5). Add the MPGM untildimension (2) is correct.

3. Operate the machine back and forth in order to equalize the pressure. Allow the machine to coastto a complete stop. Do not use the brakes.

4. Remeasure dimension (2) .

Tight Track Adjustment

1. Loosen relief valve (6) by one turn of 360 degrees. Allow the grease to escape.

2. Close the relief valve.

3. Add MPGM through track adjustment valve (5). Add grease until dimension (2) is correct.






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4. Install the access cover.

Bolt Torque for Track Shoes

The torque requirement for track shoe bolts is 650 ± 70 N·m (480 ± 50 lb ft). Tighten the bolts for anadditional 120 degrees. If you are using bolts with a master link, tighten the bolts to a torque of 650 ± 70

N·m (480 ± 50 lb ft). Then, tighten the bolts for an additional 120 degrees.

Copyright 1993 - 2005 Caterpillar Inc.All Rights Reserved.

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habilidad n84 - ajuste apropiado de la cadena en tractores

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