2005/10/10 Caterpillar

Motor Grader:

120H (S/N: 2AN1-UP; 4MK1-UP; 3GR1-UP; 5FM1-UP; 6NM1-UP; 6TM1-UP; 9FN1-UP; 9YR1-UP)

135H (S/N: 3YK1-UP; 7MM1-UP; 8WN1-UP)

12H (S/N: 2GS1-UP; 4ER1-UP; 5ZM1-UP; 2LR1-UP; 2WR1-UP; 4XM1-UP; 8MN1-UP)

140H (S/N: 2ZK1-UP; 5HM1-UP; 8JM1-UP; 8KM1-UP; 9TN1-UP; 9ZN1-UP; 3FR1-UP; 3AS1-UP)

143H (S/N: 1AL1-UP)

160H (S/N: 2HS1-UP; 3GM1-UP; 9EJ1-UP; 2FM1-UP; 6WM1-UP; 9JM1-UP)

163H (S/N: 5AK1-UP)

Adjustment of the inching pedal may be necessary after replacement of any of the following items: mechanism for the inching pedal, inching cable and transmission control valve for the inching pedal.

Use the following information for the adjustment of the inching pedal.

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Illustration 1	g00702995
(1) Inching cable (2) Nut (3) Nut (4) Housing (5) Nut (6) Rod end

1. Loosen 9S-1354 Nut (2) and 9S-1354 Nut (3) on 144-5323 Cable (1). The cable end is located in 8D-9973 Housing (4).

2. Adjust nut (2) in order to show a minimum of two threads on inching cable (1). Tighten nut (3) .

3. Loosen 6V-8187 Nut (5) that is located on the end of inching cable (1) .

4. Screw 5P-7704 Rod End (6) to the end of cable (1). Adjust 5P-7704 Rod End (6) until the rod end is approximately 4.8 mm (0.19 inch) from the end of the cable (1) .

5. Tighten 6V-8187 Nut (5) .

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Illustration 2	g01224376
(7) Bolt (8) Locknut (9) Inching pedal

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Illustration 3	g01210685
Transmission Control Valve

6. Adjust inching pedal (9). Pedal (9) can be adjusted in either of the following two ways.

   1. Procedure (A) .
      • Block the front wheels. Position the machine on stands. Ensure that all the driving wheels will rotate freely.

      • Loosen locknut (8) and tighten bolt (7) to the bottom of the adjustment.

      • Start the engine.

      • Depress pedal (9). Shift the transmission into First Speed Forward.

      • Slowly release pedal (9) until the tires start to rotate. Hold pedal (9) in position.

      • Unscrew the pedal stop bolt (7) so there is a 9.53 mm (0.375 inch) gap between pedal (9) and bolt (7) .

      • Depress pedal (9) and shift the transmission into Neutral. Engage the parking brake.

      • Release pedal (9) .

      • Hold bolt (7) in position and tighten locknut (8) .

      • Shut off the engine and remove the stands.

   2. Procedure (B) .
      • Block the front wheels.

      • Loosen locknut (8) and tighten bolt (7) to the bottom of the adjustment.

      • Connect a pressure gauge on the pressure test port (B) of the valve assembly for the transmission.

      • Start the engine.

      • Engage the service brakes in order to prevent the machine from moving.

      • Depress pedal (9). Shift the transmission into "1st Forward". Slowly release pedal (9) .

      • Slowly depress the pedal (9) until the pressure drops to zero and maintain the pedal position.

      • Unscrew the pedal stop bolt (7) so there is a 9.53 mm (0.375 inch) gap between pedal (9) and the bolt (7) .

      • Fully depress pedal (9). Shift the transmission into Neutral and engage the parking brake.

      • Release pedal (9) .

      • Hold bolt (7) in position and tighten locknut (8) .

      • Shut off the engine.