| 摘要 |
A tensioning system for a drive belt of a blower of a forage harvester, comprises a tensioning roller, a rod for moving the tensioning roller towards and away from the belt, a spring surrounding the rod and acting between a first abutment mounted on the rod and a second abutment connected to the chassis of the harvester to urge the roller towards the belt. The chassis connected abutment is carried by an arm that is movable relative to the chassis and anchored by means of a tie bar.
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