214323 474 Revision A
Replacing John Deere Sensor
DANGER
To avoid bodily injury or death from unexpected start-up or fall of raised machine, always stop engine,
remove key, and engage safety props before going under header for any reason.
1. Shut down the combine, and remove the key from the ignition.
2. Remove the drive cover. Refer to Removing Reel Drive Cover, page 461.
Figure 5.310: Speed Sensor
3. Disconnect electrical connector (D).
4. Remove top nut (C) and remove sensor (B).
5. Remove the top nut from the new sensor and position
the sensor into the support. Secure with top nut (C).
6. Adjust the gap between sensor disc (A) and sensor (B)
to 3 mm (1/8 in.) using nut (C).
7. Connect to harness at location (D).
IMPORTANT:
Ensure the sensor electrical harness does NOT contact
the chain or sprocket.
8. Reinstall the drive cover. Refer to Installing Reel Drive
Cover, page 462.
Replacing CLAAS 400 Series Sensor
DANGER
To avoid bodily injury or death from unexpected start-up or fall of raised machine, always stop engine,
remove key, and engage safety props before going under header for any reason.
1. Shut down the combine, and remove the key from the ignition.
2. Remove the drive cover. Refer to Removing Reel Drive Cover, page 461.
Figure 5.311: Speed Sensor
3. Disconnect electrical connector (C).
4. Remove top nuts (D) and remove sensor (B).
5. Remove the top nut from the new sensor and position
the sensor into the support. Secure with top nut (D).
6. Adjust the gap between sensor disc (A) and sensor (B)
to 3 mm (1/8 in.) using nuts (D).
7. Connect to harness at location (C).
IMPORTANT:
Ensure the sensor electrical harness does NOT contact
the chain or sprocket.
8. Reinstall the drive cover. Refer to Installing Reel Drive
Cover, page 462.
MAINTENANCE AND SERVICING
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