966G and 972G Wheel Loaders Payload Control System (PCS) - If Equipped Caterpillar


Payload Control System (PCS) - If Equipped
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966G and 972G Wheel Loaders [SEBU7035]
OPERATOR STATION
MONITOR GP
966G and 972G Wheel Loaders Payload Control System (PCS) - If Equipped
1.1. General Operations Of The Keypad
2.1. Measuring The Load Of A Bucket On The Go
3.1. Measuring The Load Of A Bucket In The Stationary Position
4.1. Using The "REW" Key
5.1. Using The "EXC" Key
6.1. Additional Features

Note: The following information is a brief overview of the basic functions of the system. More complete information is available from your AVSpare dealer. See the Operation and Maintenance Manual, SEBU7012, "Payload Control System" for additional features.



Illustration 1g00110501

General Operations Of The Keypad

"CLEAR" key (1) - Use the "CLEAR" key in order to exit from a function, or use the "CLEAR" key in order to erase an entry.

"STORE" key (3) - Use the "STORE" key in order to store payload data. Use the "STORE" key in order to make a selection from a menu. Use the "STORE" key in order to enter a number.

"SCROLL" key (5) - Use the "SCROLL" key in order to move through options of a menu.

"NEXT FUNCTION" key (6) - Use the "NEXT FUNCTION" key in the setup, service, and calibration modes.

Measuring The Load Of A Bucket On The Go

  1. Push the "CLEAR" key (1) in order to set the display (7) at zero.

  2. Load the first bucket load. Continuously lift the load from horizontal to 0.3 m (1.0 ft) from the upper kickout height.

    • Keep the bucket in a fully tilted back position.

    • Raise the load at a steady rate in the detent position.

    • Keep the engine speed high when a load is lifted for greatest accuracy.

    • Operate the lift arms smoothly and avoid sudden stops or jerky motion.

    Note: The display (7) will show "WEIGH" as the system measures the load. When the measurement is complete, the top row of the display shows the weight of the bucket. The bottom row of the display shows the total weight for the current truck. If the "REW" indicator comes on then the load was incorrectly measured. Either the lift arms were not raised smoothly, or the engine speed was not above 1/2 maximum speed. Press the "REW" key (2) and measure the load again.

  3. Dump the load into the truck. Repeat the above steps until the truck is loaded.

  4. Push the "STORE" key (3) in order to save the payload data in the memory. The display (7) will reset automatically. The payload display is ready for a new truck.

Measuring The Load Of A Bucket In The Stationary Position

Measure the load of the bucket in a stationary position. Adjust the final load of the bucket in order to attain the correct load of the truck. Save time by measuring the load and adjusting the load in a stationary position.

After measuring the final load of the bucket, the total load of the truck may be too large. One of two steps can be performed.

  • Dump partial loads back into the pile and use "REW" key.

  • Dump partial loads into the truck and use "EXC" key.

The system will calculate the new load of the truck automatically.

Using The "REW" Key

  1. Remain at the pile as the measurement of the last load is performed.

  2. If the display (7) shows that the total load of the truck is too high, then perform the following procedures.

    • Dump some material back into the pile.

    • Adjust the bucket into the fully tilted back position.

    • Raise the lift arms slightly.

    • Press the "REW" key (2).

    • The machine and lift arms must be kept stationary while the measurement is performed.

    • If the total load of the truck is too high, then repeat the above steps.

  3. Dump the load into the truck and press the "STORE" key (3).

Using The "EXC" Key

  1. Approach the truck as the measurement of the last load is performed.

  2. If the display (7) shows that the total load of the truck is too high, then perform the following procedures.

    • Dump some material into the truck.

    • Adjust the bucket into the fully tilted back position.

    • Raise the lift arms slightly.

    • The machine and lift arms must be kept stationary while the measurement is performed.

    • Press the "EXC" key (4) in order to measure the addition of material to the total load of the truck.

    • The display (7) will update the total load of the truck automatically.

    • If the total load of the truck is not high enough, then repeat the above steps.

  3. Press the "STORE" key (3) and dump the excess material back into the pile.

Additional Features

See the Operation and Maintenance Manual, SEBU7012, "Payload Control System" for additional features.

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