Bush Hog SM 60 manual Preparation For Use, 2-1MOUNTING CUTTER ON TRACTOR, Section

Fig. 1-2 Hydraulic Circuit (Cast Iron Pump & Motor)

Filter

10 Micron

with 15 PSI Bypass

Suction Strainer

Pump 21.4 GPM

at 540 PTO RPM

TABLE 1-1 SPECIFICATIONS

(For Cast Iron Pump & Motor Only)

MODEL NUMBER

	SM60R	SM160R
Required PTO Speed	540 rpm	1000 rpm
Pump Output	21.4 gpm	19.1 gpm
Motor Speed	1101 rpm	1182 rpm
Blade Tip Speed	17,300	18,570
	ft./min.	ft./min.
Blade Type	1/2” x 3”	1/2” x 3”
	Dble. Edge	Dble. Edge
Cutting Width	60”	60”
Max. Reach from
Center of Tractor	145”	145”
Transport Width	120-1/2”	120-1/2”
Weight	1580 lbs.	1580 lbs.
Hydraulic Oil Capacity	35 gal.	35 gal.
Maximum Hydraulic	3200 psi	3200 psi
System Pressure
Hitch Size	Cat. II Std.	Cat. II Std.
	Cat. II & III	Cat. II & III
	Quick Hitch	Quick Hitch

Motor

1102 RPM at

540 RPM

Relief Valve

3200 PSI

SECTION II

PREPARATION FOR USE

2-1 MOUNTING CUTTER ON TRACTOR

A. Check air pressure in tractor tires.

CAUTON

IT IS CRITICAL FOR STABILITY THAT TRACTOR TIRES CARRY PROPER PRES- SURE. REFER TO TRACTOR OPERATOR’S MANUAL.

B. Connect cutter to tractor 3-point hitch. Adjust stabilizer bars, sway blocks, or chains. Refer to tractor operator’s manual.

CAUTON

USE OF THIS MACHINE ON TOO SMALL A TRACTOR CAN CAUSE TRACTOR UPSET. DO NOT USE THIS MACHINE ON A TRAC- TOR WEIGHING LESS THAN 6000 LBS. (2722 KG) NOT INCLUDING BALLAST. IT IS RECOMMENDED THAT FRONT BALLAST BE USED FOR ADDED STEERING STABILI- TY. THIS MACHINE REQUIRES 50 PTO HORSEPOWER.

C. If valve kit is used, mount valves on tractor as desired. If optional valve mounting brackets are used, attach brackets and valve to tractor as described in paragraph 5-6. Make certain all hoses are free of sharp bends, creases, or moving parts. It is recommended that valves be mounted on right side of tractor.

D. Connect hoses to hydraulic quick disconnects on rear of tractor.

E. Raise and lower implement to determine the shortest distance between the tractor PTO shaft and pump input shaft. Stop tractor leaving implement in position of shortest distance. Block implement in position.

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