Subtopic: Selection, operation, maintenance and repair of I.C. engines
Question Statement:
In three-point hitch terminology, the 'Sway Blocks' (or check chains) are provided on the lower links primarily to:
Options:
(A) Adjust the pitch of the moldboard plow bottom
(B) Limit excessive lateral swinging of the implement during transport and work
(C) Regulate hydraulic oil pressure to the lift cylinder
(D) Prevent the tractor front wheels from lifting off the ground
Answer Key:
B
Step-by-Step Solution & Explanation
Check chains or sway blocks restrict the horizontal sway of the lower links to prevent the implement from swinging into the rear tires during transport or erratic field operation.