MOUNTING GP-ANTENNA 2928854 - Caterpillar

Illustration 1 g03880954
Transmission Output Speed (TOS) Sensor (1) Nose pieceThe TOS sensor is located on the sensor gear housing at the rear of the transmission.Note: The air gap between the gear and the sensor automatically adjusts when properly installed.Prior to replacement of the sensor, ensure that replacement is necessary. Always check that power is available to the sensor. Approximately +10 DCV is required between contacts A and B of the machine harness connector for the sensor. Check the harness connectors for damage.Procedure
STEP 1. Turn the disconnect switch to the OFF position. Disconnect the machine harness connector from the sensor. Remove the sensor.STEP 2. Fully extend nose piece (1) of the new sensor. At the slots in nose piece (1), use a small screwdriver to pry nose piece (1) out until it no longer moves. Approximately 6.5 mm (.25 in).STEP 3. Install the new sensor into the sensor gear housing and tighten to 23 4 Nm (17 3 lb. ft.).As the sensor is tightened, the nose piece contacts the gear face and slides back into the sensor body. After the sensor is fully tightened, the nose piece is at the correct air gap and no adjustments are required.STEP 4. Inspect the sensor connector of the machine harness. Connect the machine harness to the TOS sensor.STEP 5. Check the sensor:TOS Sensor - It is easily noticed if the sensor is not working. The sensor can be checked by monitoring the TOS indicator of the display. With the machine stopped, the TOS indicator is OFF. With the machine moving, the TOS indicator is ON.