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Section 3: Operating Instructions 

Table of Contents

4/9/19

AP-SG2572 & AP-SG2584- Skid Steer Grader 303-458MK

14

General Operating Instructions

By now you should have read the operator’s manual and 
properly attached your AP-SG25 Series Skid Steer 
Grader to your skid/loader mounting hitch plate. Whether 
you have chosen our AP-SG2584 or AP-SG2596, the 
working or grading principals are the same. Your grader 
blades should be properly adjusted within the frame to 
achieve the desired effect. Depending on local surface 
conditions, this may take a little experimentation to get 
your adjustments set just right. Simply lower your Skid 
Steer Grader until the left-hand and right-hand skid 
shoes are firmly in contact with the ground, set control 
lever in float, and begin driving forward.

The two grader blades should immediately begin grading 
or shaving off high spots on the surface and allowing dirt 
or aggregate material to flow under the blades to fill in low 
spots. The lower the blades are set, the more aggressive 
the cutting and grading action will be. A build up of grass 
and/or weeds may occur between the grader blades. 
This is no cause for concern. Just use the skid/loader 
hydraulic control lever to simply raise the grader slightly 
and to allow excess material to flow out from under the 
blades in an even and level fashion. Return control lever 
back to float position once excess material has emptied 
out. You may want to adjust the blade carrier a little if an 
unwanted accumulation continues to occur between the 
grader blades. When coming within the last 50 feet of a 
pass, you will want to raise the Grading Scraper up 
enough to feather excess material out to the end.

If grading freshly tilled soil and the skid shoes are digging 
into the ground, then use the hydraulic control lever to 
hold skid shoes at ground level.

If surface conditions are hard-packed and the grader 
blades are unsuccessful in shaving off high spots, 
lowering straight shanks to a depth that enables you to 
achieve the desired effect. Refer to 

“Straight Shank 

Height Adjustment” 

on page 11. The shanks can be 

used traveling forward and backwards. 

If attachment is to be operated in reverse, make sure 
visibility to the rear of the power unit is appropriate for the 
attachment. Backup camera or mirror is recommended. 
Maintain cleanliness of lens or mirror.

You will want to reduce required horsepower when 
making multiple ripping passes. To do this you should 
adjust the shanks down to the 3rd notch and tilt the top of 
skid/loader mounting plate slightly back until the grader 
blades are higher than the shanks. You are now ready to 
begin ripping. Lower the loader arms until the shanks 
penetrate the ground and start driving forward. When you 
are through ripping, stop the skid steer or tractor and 
raise the shanks fully. Reposition top of skid/loader 
mounting plate until the left-hand and right-hand skid 
shoes are firmly in contact with the ground, set control 
lever in float, and begin driving forward to finish grading.

The Kubota APSG25 Series Skid Steer Graders are very 
user friendly attachments and with a little practice you 
should begin achieving excellent results.

 See 

“Specifications & Capacities” 

on page 17 and 

“Features & Benefits”

 on page 18 for additional 

information and performance enhancing options.

Summary of Contents for AP-SG2572

Page 1: ...Kit in French Language please see your Kubota dealer Read the Operator s Manual entirely When you see this symbol the subsequent instructions and warnings are serious follow without exception Your lif...

Page 2: ...rdered the weights and measurements are no longer accurate for your machine Update the record by adding the machine weight and measurements provided in the Specifications Capacities Section of this ma...

Page 3: ...plication 7 Using This Manual 7 Terminology 7 Definitions 7 Owner Assistance 7 Serial Number 7 Further Assistance 7 Section 1 Assembly Set up 8 Skid Steer Tractor Requirements 8 Torque Requirements Fo...

Page 4: ...ropriate App on your smart phone open the App point your phone on the QR code and take a picture Dealer QR Locator The QR code on the left will link you to available dealers for Kubota products Refer...

Page 5: ...steer and controls from the driver s seat only Never dismount from a moving tractor skid steer or leave machine unattended with engine running Do not allow anyone to stand between tractor skid steer a...

Page 6: ...can settle suddenly leak down or be lowered accidentally If it is necessary to work under the equipment securely support it with stands or suitable blocking beforehand Use properly grounded electrical...

Page 7: ...r hearing loss Wear suitable hearing protection such as earmuffs or earplugs Operating equipment safely requires the operator s full attention Avoid wearing headphones while operating equipment Keep R...

Page 8: ...n seriously injure persons animals plants soil and property Inhaling smoke from any type of chemical fire is a serious health hazard Store or dispose of unused chemicals as specified by the chemical m...

Page 9: ...Important Safety Information 4 9 19 5 This page left blank intentionally...

Page 10: ...arest Kubota dealer To find your nearest dealer visit our dealer locator at www landpride com 3 Some new equipment installed during repair requires safety labels to be affixed to the replaced componen...

Page 11: ...enance and safe operating practices will help you get years of satisfactory use from this attachment Application The Kubota AP SG25 Series Skid Steer Graders come in 72 model AP SG2572 and 84 model AP...

Page 12: ...Operator s Manual before leaving the operator s seat 1 Reduce engine speed and shut off all power to the attachment 2 Park tractor and attachment on solid level ground 3 Lower attachment until it is...

Page 13: ...hitch top angle bars 4 Rotate top of skid loader tilt arms slightly forward 5 Position top of skid loader mounting plate under the grader top angled bars Slowly raise loader arms up until mounting pl...

Page 14: ...Complete steps 1 to 6 under Initial Preparation 2 Restart skid steer or tractor and operate control lever to slowly lower skid shoes 1 onto shims 5 3 Shut skid steer or tractor down properly Refer to...

Page 15: ...rt blocks 3 5 Shut skid steer or tractor down properly and dismount 39343 Adjust Shank Height Refer to Figure 2 3 1 Complete steps 1 to 5 under Initial Preparation 2 Press top of shank spring retainer...

Page 16: ...d maintenance to keep it operating properly Never bypass or modify a safety device Do not operate traveling across a steep incline where the skid steer or tractor could roll over Consult your machine...

Page 17: ...htly above the bucket storage lugs on the grader 3 Tilt bucket cutting edge down until cutting edge is beneath the storage lugs but not resting on the grader frame 4 Move bucket forward until bucket c...

Page 18: ...ng within the last 50 feet of a pass you will want to raise the Grading Scraper up enough to feather excess material out to the end If grading freshly tilled soil and the skid shoes are digging into t...

Page 19: ...parts where paint is worn or scratched to prevent rust Ask your Kubota dealer for aerosol touch up paint Paint is also available in touch up quarts and gallon sizes 6 Replace all damaged or missing d...

Page 20: ...Skid shoes should be inspected frequently and at the end of each season Replaced skid shoes when material thickness is less than 1 8 at any point If one end is wearing faster than the other the skid...

Page 21: ...in cm 15 1 2 39 4 Side panel length in m 50 1 27 Side panel thickness in mm 1 4 6 Thick with 2 3 4 70 formed edges Skid shoe construction in mm 3 8 10 Thick with a formed bevel to prevent gouging Str...

Page 22: ...er shanks Allows shanks to be adjusted to two depths or above ground Ripping Only Functionality Frame geometry gives the user the option to solely use straight shanks reducing horsepower requirements...

Page 23: ...certain grader hitch is properly attached before lifting grader Shanks are breaking Making too sharp of a turn with shanks in the ground Don t make sharp turns with shanks in the ground Replace broken...

Page 24: ...16 X 2 145 105 225 165 315 230 5 8 11 130 97 205 150 285 210 M16 X 1 5 155 115 240 180 335 245 5 8 18 150 110 230 170 325 240 M18 X 2 5 195 145 310 230 405 300 3 4 10 235 170 360 265 510 375 M18 X 1 5...

Page 25: ...Section 8 Torque Values Chart Table of Contents 4 9 19 AP SG2572 AP SG2584 Skid Steer Grader 303 458MK 21 This page left blank intentionaly...

Page 26: ...e been misused or damaged by accident or lack of normal maintenance or care or which has been repaired or altered in a way which adversely affects its performance or reliability or which has been used...

Page 27: ...resentations and warranties whether express or implied including but not limited to warranties of merchantability and fitness for a particular purpose and Kubota shall not be liable for any damages wh...

Page 28: ...sion Telephone 1175 S Guild Ave Lodi CA 95240 209 334 9910 Central Division Telephone 14855 FAA Blvd Fort Worth TX 76155 817 571 0900 Northern Division Telephone 6300 at One Kubota Way Groveport OH 43...

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