214683 541 Revision A
Replacing CLAAS 500/700 Series Reel Speed Sensor
DANGER
To avoid bodily injury or death from unexpected start-up of machine, always stop engine and remove key
from ignition before leaving operator’s seat for any reason.
1. Shut down the engine, and remove the key from the ignition.
2. Remove the drive cover. Refer to Removing Reel Drive Cover, page 526.
Figure 5.307: Speed Sensor
3. Disconnect the sensor’s (A) electrical connector located
behind chain case.
4. Remove cable ties (B).
5. Remove shield (C) and rivets (D).
6. Remove nut (E) and remove the sensor (A).
7. Position the new sensor (A) into the support (F). Secure
with nut (E).
8. Adjust speed sensor to achieve a gap of 1– 3mm
(1/16–1/8 in.) from the sensor disc (G).
9. Route harness as shown and secure with shield (C) and
rivets (D).
10. Secure harness to sensor support with cable ties (B)
as shown.
IMPORTANT:
Ensure the sensor electrical harness does NOT contact
the chain or sprocket.
11. Reinstall the drive cover. Refer to Installing Reel Drive
Cover, page 527.
MAINTENANCE AND SERVICING
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