Macdon 3020 Pull-Type Windrower User Manual download pdf (Page 16)

5

OPERATION

PREPARING THE TRACTOR

1. Select proper tractor size:

For 21', 25' or 30' units

, the minimum power

required is 40 hp (30 kw) and minimum tractor

weight is 5000 lbs. (2270 kg).

For 36' unit

, the minimum power required is 50

hp (38 kw) and minimum tractor weight is 6000

lbs. (2720 kg).

For all sizes, minimum hydraulics required are

1800 psi (12400 kPa) pressure with dual

remote capability.

2. For tractors with variable PTO speed, select

540 or 1000 rpm to match windrower speed

option. See "Preparing the Windrower" in this

section.

3. Adjust tractor drawbar to meet ASAE Standard

specifications as listed below for the PTO

speed to be used (540 or 1000 rpm). An

improperly located drawbar may damage the

universal joints of the implement driveline,

and/or affect machine performance

Be sure the following specifications are met:

(A) 14 in. (356 mm) for 540 rpm.

16 in. (406 mm) for 1000 rpm.

(B) 6 to 12 in. (152 to 305 mm)

(C) 13 to 17 in. (330 to 432 mm)

NOTE: An offset drawbar (D) can be turned

over if required to meet specifications (B) and

(C).

4. Secure the drawbar so the hitch pin hole is

directly below the driveline.

NOTE: If the tractor has a three point hitch,

raise the lower links as high as possible, to

prevent damage.

5. Attach support (E) for hitch chain to suitable

location on tractor drawbar, maximum 6 inches

(150 mm) from hitch pin hole. For 36 ft. unit,

also note item 7.

STANDARD DRAWBAR SPECIFICATIONS

OFFSET TRACTOR DRAWBAR

ATTACH SUPPORT FOR HITCH CHAIN

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