RM-350B Road Reclaimer/Soil Stabilizer Machine Systems Position Sensor (Front Steering) - Remove and Install Caterpillar


Position Sensor (Front Steering) - Remove and Install
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1.1. Removal Procedure
2.1. Installation Procedure

Removal Procedure




    Illustration 1g00909611

  1. Open access door (1) .



    Illustration 2g00913637

  1. Disconnect harness assembly (2) .



    Illustration 3g00912190

  1. Remove the bolts and cover (3) .



    Illustration 4g00912191

  1. Remove spring (4) .



    Illustration 5g00912192

  1. Remove bolts (7) and remove sensor (5) and block assembly (6) as a unit from the machine.

  1. Remove the screws and remove sensor (5) from block assembly (6) .



    Illustration 6g00912833

  1. Remove roll pin (8) from arm assembly (9) .

  1. Loosen set screw (7) and remove arm assembly (9) from block assembly (6) .

Installation Procedure

Table 1
Required Tools    
Tools     Part Number     Part Description     Qty    
A     9S-3263     Thread Lock Compound     1    
B     146-4080     Digital Multimeter     1    



    Illustration 7g00912833

  1. Install arm assembly (9) on block assembly (6) and install roll pin (8) .

  1. Apply Tooling (A) on setscrew (7) and install the setscrew.



    Illustration 8g00913735

  1. Use the following procedure in order to configure block assembly :

    1. Apply Tooling (A) on the threads of setscrew (L).

    1. Position the setscrew so the setscrew is flush with the inside of the setscrew opening.

    1. Apply Tooling (A) to the setscrew (H) .

    1. Position the setscrew so the setscrew is flush with the inside of the setscrew opening.

    1. Turn the high setscrew clockwise 6.25 turns.

  1. Use the following procedure in order to install sensor (6) to block assembly (5) :

    1. Connect a nine volt power supply harness to the sensor and to Tool (B) .

    1. Configure Tool (B) to the duty cycle.

    1. Measure the sensor's minimum duty cycle. Record the position of the sensor's minimum duty cycle. Measure the sensor's maximum duty cycle. Record the sensor's maximum duty cycle.

    1. Install the sensor to the block assembly and install the screws. Tighten the screws to a torque of 2.25 ± 0.25 N·m (20 ± 2.2 lb in).

    1. Test the sensor in order to ensure that the block is protecting the position sensor by measuring the minimum duty cycle and the maximum duty cycle.

    1. The minimum position of the sensors duty cycle should be approximately 9% to 11%.

    1. The maximum position of the sensors duty cycle should be approximately 92.5% to 95%. The measured maximum value from Step 4.e is less than the measured maximum value in Step 4.c. The duty cycle should fluctuate from 10% to 92.5% which provides 61.2 degrees of block travel.



    Illustration 9g00912192

  1. Install sensor (5) and block assembly (6) as a unit on the machine and install bolts (7) .



    Illustration 10g00912191

  1. Install spring (4) .



    Illustration 11g00912190

  1. Install cover (3) and the bolts.



    Illustration 12g00913637

  1. Connect harness assembly (2) and close the access panel.

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