Rear hitch attachment

Rear hitch attachment

Three-point hitch attachment of 2 category provides coupling to tractor mounted and semi-mounted agricultural machinery and implements, having the following coupling elements: • length of suspension axle «L» (distance between joints «А» and «В») equals to 870mm; • height of machine post equals to 510 mm; 610 mm; • diameter of pins for coupling to joints of lift links (1) equals to 28.7 mm; • diameter of pin for coupling to top link (2) equals to 25 mm.

ATTENTION! Carefully study this section before coupling machines.

Lift links consist of two parts: • front part or the link itself; • rear end with ball joint. Standard length of lift links is 885 mm. To increase the length of suspension install lift ends with bent front joints (F704605050-01/055-01). To increase lifting capacity of hitch attachment replace rear ends of links (of 400 mm long) with lift ends, where the distance between joint pin and front hole is 320mm (N50-4605040А2/045А2). Total length of the lift link will be 805 mm.

Attention! If the link length is 805mm, lifting capacity of hitch attachment will increase up to 10%, with simultaneous decrease of lift height by 10%. The same increase of lifting capacity can be provided by installation of brace(1) at additional points (lift height will decrease by 10% as well). В

To increase road clearance when tilling high-stalk plants install front ends of lift links on auxiliary suspension axes, placed 110 mm above the axis of lift links. To follow field profile in lateral direction when operating wide-cut implements, connect braces (1) to lift links (2) by means of long slots. IMPORTANT! Slots of brace yoke should be behind the hole to avoid brace damage.

Top link and braces

Length of top link is adjusted within the range of 500...740mm. Length of righthand adjustable brace can be adjusted within the range of 425...520 mm by rotating a handle (1). As dispatched from the works the length of the righthand brace is set to standard value of 475 mm. Length of left-hand (nonadjustable) brace (4), when tractor is dispatched from the works, is also set to standard value of 475mm. During the operational process the change of front brace length is provided within the range of 395...510 mm depending on tractor configuration and type of gangedup machines and implements.

IMPORTANT! Use only right-hand brace to adjust an implement in transverse plane.

Depending on tilling depth and soil nature, set top link in one of three positions: I —light soil and shallow tilling depth when using draft control; II —average soil and average tilling depth when using draft control; III — heavy soils in case of deep tilling, as well as when using position control and without use of draft control.

425-520