Bredal F4 - Attaching Belts and Tightener Screw; Attaching Lower Headland Gear V-Belts; Tensioning Headland Gear Belts with Clamp

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Attach the bottom two V-belts to the headland gear.
Attach the screw for the belt tightener with a spring and
tighten until the spring length is 43–45 mm.
Attach the shier sha with shier fork.
Use a screw clamp to tighten the belts for the headland
gear.