An agricultural baler includes a main bale chamber, needles, knotters, a triggering system, a knotter lock, a blow-off mechanism, and a monitoring system. The needles are coupled to the main bale chamber and thread twine around a formed bale. The knotters receive the twine from the needles and tie the twine. The triggering system is for activating the needles and the knotters. The knotter lock is a manual lock of the triggering system thereby preventing the needles and the knotters from being triggered. The blow-off mechanism directs a flow of air at the knotters and the needles. The monitoring system has a single sensor that provides signals indicating a normal operation of the knotters, and whether the knotter lock is engaged.

A baler twine tension control assembly including a displacement detector and elements defining a twine path. The twine path enters and exits the twine tension control assembly and within the twine tension control assembly extends across a first fixed location and a second fixed location as well as across an intermediate displaceable location located between the first fixed location and the second fixed location. The displacement detector is connected to the intermediate displaceable location and generates a signal indicative of the displacement of the displaceable location.

A system and method for controlling bale forming operations is disclosed. The system and method includes a monitoring system for visually imaging a portion of a bale and providing a warning to an operator if the bale is wrapped or shaped incorrectly.

An agricultural baler includes a main bale chamber, needles, knotters, a triggering system, a knotter lock, a blow-off mechanism, and a monitoring system. The needles are coupled to the main bale chamber and thread twine around a formed bale. The knotters receive the twine from the needles and tie the twine. The triggering system is for activating the needles and the knotters. The knotter lock is a manual lock of the triggering system thereby preventing the needles and the knotters from being triggered. The blow-off mechanism directs a flow of air at the knotters and the needles. The monitoring system has a single sensor that provides signals indicating a normal operation of the knotters, and whether the knotter lock is engaged.

A twine tension monitoring apparatus includes a twine tension monitoring portion and a signalling portion. The twine tension monitoring portion includes a laterally extending finger moveable about a horizontally extending axis between a first position and a second position, in which the first position corresponds to a low tension condition and the second position corresponds to a tensioned condition. The signalling portion provides a signal indicating the position of the laterally extending finger and so indicates the tension being monitored.

A baler implement includes a housing defining a baling chamber for forming a bale having a parallelepiped shape, and a knotter system for wrapping and tying twine around the bale. A knotter controller is configured to determine a remaining length of a first twine in a first twine supply, and determine a remaining length of a second twine in a second twine supply. The knotter controller may then calculate an estimated remaining number of bales that may be secured based on the remaining length of the first twine and the second twine. The knotter controller may communicate an output signal to an output device indicating the estimated remaining number of bales that may be secured. The knotter controller may automatically communicate a resupply request when the first twine and/or the second twine are low.