980G Series II Wheel Loader Operation Information Caterpillar


Operation Information
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1.1. Downhill Operation
2.1. Machine Operating Temperature Range
3.2. Biodegradable Hydraulic Oil

Follow these basic instructions whenever you are operating the machine:

  • To prevent injury, make sure that no one is working on the machine or near the machine. Always maintain control of the machine.

  • Raise the bucket or the work tool enough to negotiate any obstacles.

  • Before you release the parking brake, depress the service brake pedal in order to keep the machine from moving.

  • Drive the machine forward for best visibility and for best control.

  • Reduce the engine speed when you maneuver in tight quarters and when you are going over a hill.

Downhill Operation

Maintain a ground speed that is slow enough for the conditions. Before you operate down a hill, select the proper gear before you start down the grade. The proper gear should allow the machine to maintain the appropriate speed on the down grade. The throttle control should be at high idle and the engine should not overspeed. In most situations, the proper gear will be the same gear that is required to drive up the grade.

If the machine builds up excessive speed, the engine can overspeed. This can result in damage to the engine and/or damage to the power train data link. Use the service brake in order to slow the machine until a lower gear can be selected. Select the lower gear and proceed with the throttle control at high idle.

Use the service brakes for stopping the machine. Using the right service brake pedal to apply the service brakes in order to control travel speed of the machine or using the service brakes for stopping from high speeds can cause the brake (axle) oil to overheat. This can result in significant wear and/or damage to the service brakes.

Note: The left service brake pedal may be used for downhill braking. The left service brake pedal will downshift the transmission to a lower gear. The left service brake pedal will not downshift the transmission to a lower gear if an engine overspeed would result.

Machine Operating Temperature Range

The machine must function satisfactorily in the anticipated ambient temperature limits that are encountered during operation. The minimum limits for items that will affect the safe operation of the machine to be considered are 0 - 100 % relative humidity for −40 °C (−40 °F) to 50 °C (122 °F) temperatures unless otherwise specified in marketing functional specification.

Biodegradable Hydraulic Oil

Note: Operation at ambient temperatures above 32 °C (90 °F) should be limited to light duty cycles and short periods of time.

Information System:

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