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Before extending or retracting the track frames, be sure to keep all other people away from the machine. Always use two or more people to do this work. Perform machine movements only after getting signals from a signal man. The automatic engine speed control (AEC) switch must be in the OFF position and the travel speed switch must be in the LOW position. Never make a sudden movement of the front equipment. When operating the front equipment, slowly activate the controls with extra care. |
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| Illustration 1 | g00285692 |
This machine has adjustable track frames that are held in place with pins. Completely widen the track frames when the machine is being operated. Fully retract the track frames in order to transport the machine.
- Remove lock pins.
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Illustration 4 g01638901 - Start the engine. Raise the work tool and turn the upper structure by 1/4 turn.
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Illustration 5 g01656916 - While the upper structure remains perpendicular to the track frame, travel the machine forward in low speed. While the machine is forward traveling, extend the hydraulic cylinders for the adjustable undercarriage to maximum gauge.
Note: If any unstable conditions arise during the track gauge adjustment, stop the machine. Repair the stability of the machine before continuing to adjust the track gauge. If machine stability is not attainable, please consult your Caterpillar dealer in order to obtain stability of the load.
- Once the track frame is fully extended, stop the machine.
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Illustration 6 g01656934 VH variable gauge undercarriage Show/hide table
Illustration 7 g01658913 VM variable gauge undercarriage - Place lock pins in holes in order to secure the track frame.
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| Illustration 2 | g01643974 |
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VH variable gauge undercarriage | |
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| Illustration 3 | g01649773 |
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VM variable gauge undercarriage | |
- Remove lock pins.
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Illustration 10 g01638901 - Start the engine. Raise the work tool and turn the upper structure by 1/4 turn.
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Illustration 11 g01656916 - While the upper structure remains perpendicular to the track frame, travel the machine forward in low speed. While the machine is forward traveling, retract the hydraulic cylinders for the adjustable undercarriage to minimum gauge.
Note: If any unstable conditions arise during the track gauge adjustment, stop the machine. Repair the stability of the machine before continuing to adjust the track gauge. If machine stability is not attainable, please consult your Caterpillar dealer in order to obtain stability of the load.
- Once the track frame is fully retracted, stop the machine.
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Illustration 12 g01656934 VH variable gauge undercarriage Show/hide table
Illustration 13 g01658913 Vm variable gauge undercarriage - Place lock pins in holes in order to secure the track frame.
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| Illustration 8 | g01643974 |
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VH variable gauge undercarriage | |
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| Illustration 9 | g01649773 |
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VM variable gauge undercarriage | |