MacDon FD70 for Combine Operators - Manual (Page 207)

SECTION 10. MAINTENANCE AND SERVICING
Form 169006
205
Revision D
10.14.12 Reel Speed Sensor
CAUTION
To avoid bodily injury from fall of raised reel,
always engage reel props before going under
raised reel for any reason.
WARNING
Stop combine engine, and remove key before
making adjustments to machine. A child or
even a pet could engage the drive.
Remove reel drive cover for access to the reel
speed sensor. Refer to Section 10.14.5 Reel
Drive Chain - D60, FD70, or Section 10.14.6 Reel
Drive Chain - D50.
10.14.12.1 John Deere
a. Maintain a 0.12 inch (3 mm) gap between sensor
disc (A) and sensor (B). Adjust with nuts (D) as
required.
b. Replace sensor as follows:
1. Disconnect connector (C).
2. Remove nuts (D), and remove sender (B).
3. Remove top nut (D) from new sensor (B),
and locate in support.
4. Secure with top nut (D).
5. Adjust gap between sensor disc (A) and
sensor (B) to 0.12 in. (3 mm).
6. Connect to harness at (C).
IMPORTANT
Ensure sensor electrical harness does
not contact chain or sprocket.
10.14.12.2 Lexion 500
a. Maintain a 0.12 in. (3 mm) gap between sensor
disc (E) and sensor (F). Adjust by bending
support (G).
b. Replace sensor as follows:
1. Disconnect connector (H).
2. Remove screw (J) attaching sensor, and
remove sensor (F).
3. Locate new sensor in support, and secure
with screw (J).
4. Adjust gap between sensor disc (E) and
sensor (F) to 0.12 in. (3 mm) by bending
support (G).
5. Connect to harness at (H).
D60, FD70
D
C
B
A
D50
D
C
B
A
D60, FD70
H
F
E
G
J
D50 H
F
E
G
J