5.1 VYF veiligheidsspakte van toepassing wanneer die stootgrassnyer gebruik word - NSC Agricultural Technology - Question 5 - 2017 - Paper 1

The device that allows the power take-off shaft to work at an angle is known as a Cross Coupling. This component enables flexibility in connecting various implement machinery without losing efficiency.

Safety screens must always be used when working with a power take-off shaft to protect workers from potential hazards, ensuring that no one is exposed to moving parts that could cause injury.

A combine harvester may break corn kernels during the threshing process due to an incorrect drum speed, which can negatively affect the efficiency of the harvesting.

Kernels are blown out along with chaff because the blower of the harvester increases air flow to separate them effectively from the harvested material.

The component responsible for finely grinding the feed is the Rotor and Hammer system, which efficiently pulverizes material.

The size of the final ground product is determined by the Sieve, which filters the ground material to achieve the desired consistency.

The component that effectively separates the ground feed from the air is the Cyclone, which uses centrifugal force to enhance separation.

The following procedure should be followed:

1. Handle With Care: Ensure all points are handled with care.
2. Check Equipment: All crates should be properly secured with the correct tension.
3. Work Environment: Ensure the area is free of hazardous conditions before working.
4. Follow Specifications: Adhere to manufacturers' guidelines and specifications.
5. Clean Dust Shields: Regularly check and clean dust shields to avoid machinery malfunction.

To prevent accidents caused by falling bales, the operator must ensure that:

1. Rollover Protection: The tractor must be equipped with roll-over protective structures to safeguard the driver.
2. Positioning of Bales: Bales should be placed at safe heights and distances to avoid spilling.

Measures to prevent injuries from falling bales from the loader include:

1. Visibility: The operator must maintain clear visibility to avoid unexpected drops.
2. Proper Placement: Ensure bales are not placed or stacked improperly to prevent them from rolling or falling.

Safety measures for preventing rolling when a tractor is on a slope include:

1. Brake Usage: Ensure all safety brakes are applied when on a slope.
2. Avoiding Involvement: The operator should ensure that there are no workers or obstacles nearby.

Two safety mechanisms used in the ram-type baler are:

1. Slipping Coupling: This prevents excessive load which could cause machinery failure.
2. Break Bolt: This device ensures that if excessive force is applied, the bolt will break, protecting the machinery.

The function of the feeder in the ram-type baler is to constantly feed material into the baler and direct it neatly into the packing arms.

The components used to hitch an implement to a tractor include:

1. Two Lift Arms: These are adjustable arms that lift the implement into position.
2. Top Link: This provides additional support and connection between the tractor and the implement.
3. Two Stabilizing Chains: These chains secure the implement and prevent it from swaying.

The three aspects that occur in the gearbox of a tractor include:

1. Main Shaft: This is the primary driver which transfers power from the engine to the wheels.
2. Intermediate Shaft: This contributes to various gear ratios and functions to control speed.
3. Drive Shaft: This connects main moving parts that facilitate movement.

When comparing the two types of dry belts:

• V-Band:

  • Alignment/Installation: Should be flat and straight, with minimal deviation.
  • Speed: Generally holds higher speed due to its design.
  • Lubrication: Regular lubrication is required to prevent wear.

• Flat Band:

  • Alignment/Installation: Should loop precisely, directly in line with the pulley.
  • Speed: Achieves efficient lower speed as the application requires.
  • Lubrication: Needs less regular lubrication as compared to V-bands.