MacDon FD75 OM - Manual (Page 386)

MAINTENANCE AND SERVICING
3. Maintain a 1/8 in. (3 mm) gap between sensor disc (A)
and sensor (B). Adjust by bending support (E).
4. Replace sensor as follows:
a. Disconnect connector (C).
b. Remove screw (D) attaching sensor and remove
sensor (B).
c. Locate new sensor in support and secure with
screw (D).
d. Adjust gap between sensor disc (A) and sensor (B)
to 1/8 in. (3 mm) by bending support (E).
e. Connect to harness at (C).
IMPORTANT:
Ensure sensor electrical harness does NOT
contact chain or sprocket.
Figure 6.251: Speed Sensor
A - Sensor Disc B - Sensor
C - Connector D - Screw
E - Support
Replacing AGCO Reel Speed Sensor - Double Reel
To replace the reel speed sensor for an AGCO combine on a double reel header, follow these steps.
WARNING
Stop combine engine and remove key before making adjustments to machine. A child or even a pet could
engage the drive.
1. Lower header and reel, shut down combine, and remove key from ignition.
2. Remove reel drive cover by removing six screws (A)
and remove upper cover (B).
Figure 6.252: Drive Cover
169894 372 Revision A