938H Wheel Loader and IT38H Integrated Toolcarrier Hydraulic System Kickout and Positioner - Adjust Caterpillar


Kickout and Positioner - Adjust
`
938H Wheel Loader and IT38H <BR>Integrated Toolcarrier Hydraulic System [RENR8996]
HYDRAULIC SYSTEM
KICKOUT & POSITIONER GP
938H Wheel Loader and IT38H Integrated Toolcarrier Hydraulic System Kickout and Positioner - Adjust
1.1. Lift Kickout
2.1. Work Tool Positioner
3.2. Positioner for the Bucket
4.2. Positioner for the Forks

Lift Kickout

------ WARNING! ------

Use caution to avoid possible personal injury when adjusting the attachment lift kickout.

Keep personnel off the machine. Clear the area when working under or around the attachment linkage.

With the attachment raised, proper support must be provided for the attachment and/or the linkage.

----------------------

  1. Start the engine. Raise the work tool to the desired height. Turn the engine start switch to OFF position.

  1. Block up the work tool and the linkage.



    Illustration 1g01412415

    Lift kickout control and bucket positioner

    (1) Upper control group

    (2) Lower control group

    (3) Magnet assembly

    (4) Bolts

    (5) Tube assembly

    (6) Bolts

    (A) 8 ± 2 mm (.32 ± .08 inch)




    Illustration 2g01412422

    View A-A

    (7) Magnet assembly

    (8) Control group

    (9) Bolts

    (10) Nuts

    (B) 8 ± 2 mm (.32 ± .08 inch)

  1. Loosen nuts (10). Adjust control group (8) so the lower edge of magnet assembly (7) is even with the center of control group (8) .

  1. Tighten nuts (10) .

  1. Loosen bolts (9). Adjust control group (8) so the distance between control group (8) and magnet assembly (7) equals dimension (B). Dimension (B) is 8 ± 2 mm (.32 ± .08 inch).

  1. Tighten bolts (9) .



    Illustration 3g01412561

    Switch panel

    (11) Bucket/fork selector control

    (12) Kickout and positioner control

  1. In order to check the adjustment, start the engine. Place the kickout and positioner control (12) in the ON position. Lower the work tool. Move the lift control lever to the RAISE detent position. When the work tool reaches the preset lift height, the lift control lever should return to the HOLD position.

  1. If the kickout position is not correct, perform Steps 3 through 7 again.

Work Tool Positioner

IT38H Integrated Toolcarriers are equipped with two work tool positioners. The upper control group is used to set the detent position of an attachment such as forks or a broom. The lower control group is used to set the detent position of a bucket. The two adjustment procedures that follow are used in order to set the detent position of the corresponding work tool.




Illustration 4g01412674

View B-B

(13) Clamp

(14) Bolts

(15) Bolts

(C) 831 ± 5 mm (32.7 ± 0.2 inch)

Ensure that the cover assembly for the work tool positioner is in the proper location on the tilt cylinder. The correct length for dimension (C) is 831 ± 5 mm (32.7 ± 0.2 inch). If dimension (C) is correct, proceed to "Positioner for the Bucket". If dimension (C) is not correct, complete the following procedure.

In order to adjust clamp (13), loosen two bolts (15). Slide clamp (13) on the tilt cylinder. Tighten bolts (15).

Note: When you adjust the clamp assembly, ensure that the positioner switch is moved parallel to the magnet assembly during the movement on the cylinder. The clearance between the control group and the magnet assembly is 8 ± 2 mm (0.32 ± 0.08 inch).

Positioner for the Bucket

------ WARNING! ------

Use caution to avoid possible personal injury when adjusting the attachment positioner.

Stop the engine and lower all equipment to relieve the hydraulic pressure.

Engage the parking brake and block the tires to prevent sudden movement of the machine.

Keep unauthorized personnel off the machine.

----------------------

  1. Place the kickout and positioner control (12) in the ON position. Press the top side of bucket/fork selector control (11) in order to actuate the control group for the bucket positioning feature.

  1. Start the engine. For best results, position the bucket so that the bottom of the bucket is parallel to the ground.

  1. Turn the engine start switch key to the OFF position and remove the engine start switch key.

  1. Loosen six bolts (6) .

  1. Move tube assembly (5) until the rear edge of magnet assembly (3) is even with the edge of lower control group (2) .

  1. Tighten six bolts (6) .

  1. Loosen two bolts (4). Adjust magnet assembly (3) so that the distance between lower control group (2) and magnet assembly (3) equals dimension (A). Dimension (A) is 8 ± 2 mm (.32 ± .08 inch).

  1. To test the adjustment, start the engine. Raise the work tool. Position the bucket in the full DUMP position. Move the tilt control lever to the TILT BACK detent position.

  1. When the bucket reaches the preset digging angle, the tilt control lever should return to the HOLD position.

  1. If the position of the bucket is not correct, perform Step 4 through Step 9 again.

Positioner for the Forks

------ WARNING! ------

Use caution to avoid possible personal injury when adjusting the attachment positioner.

Stop the engine and lower all equipment to relieve the hydraulic pressure.

Engage the parking brake and block the tires to prevent sudden movement of the machine.

Keep unauthorized personnel off the machine.

----------------------

  1. Press the bottom side of bucket/fork selector control (11) in order to actuate the control group for the forks.

  1. Start the engine. Lower the work tool to the ground.

  1. Position the forks at the desired angle to the ground.

    Note: For best results, position the forks so that the bottom of the forks are parallel to the ground.

  1. Turn the engine start switch key to the OFF position and remove the engine start switch key.

  1. Loosen two bolts (14). Adjust upper control group (1) so that the rear edge of magnet assembly (3) is even with the edge of upper control group (1) .

  1. Loosen two bolts (4). Adjust magnet assembly (3) so that the distance between upper control group (1) and magnet assembly (3) equals dimension (A). Dimension (A) is 8 ± 2 mm (.32 ± .08 inch).

  1. To test the adjustment, start the engine. Raise the forks. Move the forks to the full DUMP position. Place the tilt control lever to the DETENT position.

  1. When the forks reach the preset angle, the tilt control lever should return to the HOLD position.

  1. If the position of the forks are not correct, perform Step 5 through Step 8 until the angle of the forks are correct.

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