Installing Conditioner Drive - MacDon R113 Unloading And Assembly Instructions

25. Measure the length of tensioner spring (C). Dimension (D)
should be set to 365 mm (14 3/8 in.) to ensure that the belt
is tensioned correctly.
26. To adjust the spring tension, loosen jam nut (A).
27. Turn adjuster nut (B) clockwise to increase the belt tension,
or turn adjuster nut (B) counterclockwise to decrease the
belt tension.
28. Once the correct spring measurement has been achieved,
hold adjuster nut (B) and tighten jam nut (A) against it.
29. Reconnect speed sensor (B) to wiring harness (A).
NOTE:
Ensure that the speed sensor is installed correctly for the
windrower. Use the bottom hole for M1 and M2 Series
Windrowers; use the top hole for M Series Windrowers.
30. Close the driveshields. For instructions, refer to

4.2.1 Installing Conditioner Drive

This procedure describes the installation of conditioner drive components on a machine that was originally supplied with
no conditioner. If a conditioner is to be installed on the header, refer to
Retrieve the bag containing the following parts from the conditioner shipment:
• Shaft key
• Pulley
• Bushing with three M10 bolts
• Tensioner assembly
• M16 hex head bolt
262300
CHANGING CONDITIONER
Figure 4.29: Conditioner Drive
A
Figure 4.30: Speed Sensor
11.2 Closing Driveshields, page
4.2 Installing Conditioner, page
• M16 nut
• Two M10 nuts
• Eye bolt
• Hardened washer
• Spring
31
A
B
C
D
137.
B
26.
Revision A