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Guarantee

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National Flooring Equipment, Inc. (National) warrants to the fi rst consumer/purchaser that this National brand product 5280-AUS Self-Pro-
pelled Walk Behind Scraper
 when shipped in its original container, will be free from defective workmanship and materials and agrees that it 
will, at its option, either repair the defect or replace the defective product or part thereof at no charge to the purchaser for parts or labor for the 
period(s) set forth below.

This warranty does not apply to any appearance items of the product, to the additional excluded items set forth below, or to any product, the 
exterior of which has been damaged or defaced, which has been subjected to misuse, abnormal service or handling, or which has been altered 
or modifi ed in design or construction.
In order to enforce the rights under this limited warranty, the purchaser should follow the steps set forth below and provide proof of purchase to 
National.

The limited warranty described herein is in addition to whatever implied warranties may be granted to purchasers by law. All implied warranties 
including the warranties of merchantability and fi tness for use are limited to the periods from the date of purchase as set forth below. Some 
states do not allow time limitations on an implied warranty, so the above limitation may not apply to you.

Neither the sales person of the seller, nor any other person, is authorized to make any other warranties other than those described herein, or to 
extend the duration of any warranties beyond the time period described herein on behalf of National.

The warranties described herein shall be the sole and exclusive warranties granted by National and shall be the sole and exclusive remedy 
available to the purchaser. Correction of defects in the manner and for the period of time described herein, shall constitute complete fulfi llment 
of all liabilities and responsibilities of National to the purchaser with respect to the product and shall constitute full satisfaction of all claims, 
whether  based on contract, negligence, strict liability or otherwise. In no event shall National be liable, or in any way responsible for any dam-
age or defects in the product which were caused by repairs or attempted repairs performed by anyone other than National. Nor shall National be 
liable, or in any way responsible, for any incidental or consequential, economics or property damage. Some states do not allow the exclusion of 
incidental or consequential damages, so the above exclusion may not apply to you.

This warranty gives you specifi c legal rights. You may also have other rights which vary from state to state.

WARRANTY PERIOD

The 5280-AUS Self-Propelled Walk Behind Scraper is guaranteed to be free of manufacturer defective workmanship and in quality of materi-
als for a period of one year. 

Items excluded from warranty coverage, unless found and reported defective immediately upon removal from the original shipping container 
and before being used by the original purchaser.

A freight damage claim must be fi led with the carrier by the purchaser, the shipper cannot fi le the freight claim.

TO OBTAIN SERVICE CONTACT NATIONAL FLOORING EQUIPMENT, INC. TOLL FREE AT 800-245-0267 FOR A REPAIR 
AUTHORIZATION NUMBER. COD FREIGHT RETURNS WILL NOT BE ACCEPTED. FREIGHT COLLECT SHIPMENTS WILL 
NOT BE ACCEPTED. WARRANTY REPAIRS MUST BE ACCOMPANIED BY DATE OF PURCHASE RECEIPT AND A RETURN/
REPAIR AUTHORIZATION NUMBER. 

RETURN/REPAIR AUTHORIZATION NUMBER:  _____________________________________________

MACHINE SERIAL NUMBER: ____________________________________________________________

www.nationalequipment.com

Phone: 763-315-5300

Summary of Contents for 5280-AUS

Page 1: ...Caution Read Manual Before Operating Machine SELF PROPELLED SCRAPER INSTRUCTION MANUAL RevA 401872...

Page 2: ...isions of the following EC Directive including all amendments and with national legislation implementing this directive Machinery Directive 2006 42 EC The Following Harmonized Standards were applied E...

Page 3: ...n Set up 12 Blade Sharpening 12 Blades 13 14 Machine Maintenance 15 16 Wheel Removal 15 Adding or Changing Hydraulic Fluid 15 Inspection of Internal Parts 15 Tank Removal 16 Control Valve Replacement...

Page 4: ...ng or obstructing production Quick Easy Blade Change Ensuring maximum production rates Side Weight 50 pound side saddle weight provides additional down pressure and traction for tough jobs Speed Contr...

Page 5: ...uards and other parts before use Check for misalignment binding of moving parts improper mounting broken parts and other conditions that may affect operation If abnormal noise or vibration occurs turn...

Page 6: ...lessly A few things you must be aware of include 1 PRESSURE Hydraulic fluid under pressure is dangerous and can cause serious injury 2 FLAMMABILITY When ignited some hydraulic fluids can explode and o...

Page 7: ...or serious injury GROUNDING Tools marked Grounding Required have a three wire cord and three prong grounding plug The plug must be connected to a properly grounded outlet Figure A If the tool should...

Page 8: ...make sure it is marked with the suffix W A W in Canada to indicate that it is acceptable for outdoor use Be sure your extension cord is properly wired and in good electrical condition Always replace a...

Page 9: ...a ramp Location on lifting bails centrally locates balance of the machine to safely pick up ma chine 1 Place rope hook system or chain through eyelets located on top of machine 2 Raise machine with a...

Page 10: ...ry 4 Slowly back machine down ramp See Figure F OPERATING CONTROLS MACHINE START UP PROCEDURE 1 Machine MUST be off before plugging machine into power source 2 Plug machine into outlet 3 Turn speed co...

Page 11: ...heet vinyl solid vinyl rubber tile urethane or PVC sheet roofing will need to be scored for best removal results Nationals 584 Scoring Tool See Figure K Score flooring to the width of the blade Self s...

Page 12: ...e life Test each job for best performance GIBCRETEAND SOFT POURED FLOORING Requires blade bevel down to create a better wearing surface BLADE SHARPENING Dull blades greatly reduce cutting ability Re s...

Page 13: ...ED BLADE 062 7050 205 3 X27 PREMIUM HIGH TEMPERED BLADE 062 PART DESCRIPTION THICKNESS IN PREMIUM HIGH TEMPERED BLADES FIGURE S These ultra high quality spring steel blades are extra hard ensuring lon...

Page 14: ...RING BLADES FIGURE V These 90 angled self scoring wing tipped blades are tough and long lasting Made from National s proven blade hardening process they perform up to ten times longer than the competi...

Page 15: ...id unscrew Filler Port Cap from top of machine See Figure AA 4 To change fluid remove Filler Port Cap Remove drain plug from side of machine See Figure AA A container approximately two gallons in size...

Page 16: ...es so they can be returned to their original positions 5 Disconnect and remove 4 hoses from valve body 6 Remove valve mounting bolts and nuts remove valve 7 Installation is reverse of removal procedur...

Page 17: ...7 Problem Cause Solution No forward or reverse Belt Remove front cover plate and inspect belt Speed control valve Inspect speed control valve turn counter clockwise to open valve Motor shuts off or wo...

Page 18: ...EBAG WEIGHT 1 48 6280 161D FILLER CAP 1 49 6280 162G MAGNET 1 50 6280 112 WHEEL CAP 1 51 6280 170A HANDLE BAR GRIP 2 52 6280 180 MOTOR LINE 2 53 6280 181 PRESSURE LINE 1 54 6280 182 RETURN LINE 1 55 6...

Page 19: ...0 112 WHEEL CAP 1 14 6280 161D HYDRAULIC TANK FILLER CAP 1 15 6280 207 ON OFF SWITCH 1 16 6280 208A SPEEDCONTROLKNOBONLY W OSCREW 1 17 62180 MOTOR FAN COVER 1 18 62181 MOTOR FAN NOT SHOWN 1 19 62182 C...

Page 20: ...9 HANDLE ADJUSTMENT BRACKET 1 18 5280 151 REPLACEMENT CAPACITOR ONLY 1 19 5280 220 HYDRAULIC MOTOR 1 20 5280 220B HYDRAULICMOTORWOODRUFFKEY1 4X1 1 21 5280 221 HYDRAULICMOTORCONNECTOR 2 22 62182 CAPACI...

Page 21: ...PLUG 1 10 5280 216 VALVE CARTRIDGE 1 11 5280 219 VALVE BODY FITTING 1 12 6280 209 PRESSURE CARTRIDGE VALVE 1 13 6280 170A HANDLE BAR GRIP 2 14 6280 180 MOTOR LINE 2 15 6280 181 PRESSURE LINE 1 16 6280...

Page 22: ...TOR 2 2 5280 168 POWER CORD 1 3 5280 172A HANDLE LEVER 1 4 5280 404 BLADE WRENCH HOLDER 1 5 73502 1 2 STRAIGHT STRAIN RELIEF 3376 5685 2 6 72804 1 2 STRAIGHT CORD CONNECTOR 1 7 74645 M10 16 WIZLOCK BO...

Page 23: ...6280 161D HYDRAULIC TANK FILLER CAP 1 5 6280 162G MAGNET IN TANK 1 6 70601 TANK MOUNTED STRAINER 1 7 72816 RETURN LINE ELBOW 1 PART DESCRIPTION QTY 1 5280 8 CUTTING HEAD 1 2 70810 CUTTING HEAD SUPPORT...

Page 24: ...D LABEL 1 5 L95E SPEED CONTROL LABEL 1 6 L95F FLUID LEAK LABEL 1 7 L95G FLUID LEVEL LABEL 1 8 L95J 110V LABEL 1 9 L141 FLAG LABEL 1 10 L173A 5280 LABEL 1 11 L175 NATIONAL LABEL SMALL 1 12 L188 CAUTION...

Page 25: ...blades Works on thin soft coatings paint and hard to remove gummy or dry adhesives This attachment is the ultimate for adhesive removal Swivel Head allows blade to stay in contact with the floor 6280...

Page 26: ...Parts List and Diagrams DOO 3OXJ ODFN UHHQ KLWH 6ZLWFK HPDOH 7ZLVW 3OXJ 0DOH 7ZLVW 3OXJ UHHQ KLWH ODFN UHHQ KLWH ODFN UHHQ 8 8 8 26 Fax 763 535 8255 info nationalequipment com 5280 AUS WIRING DIAGRAM...

Page 27: ...LIC MOTOR HYD PUMP HYDRAULIC VALVE B A A B T P FLUID TANK TO TOP OF TANK BLEED SUCTION NEGATIVE PRESS POSITIVE PRESSURE FWD PRESS FLOW REV PRESS FLOW www nationalequipment com Phone 763 315 5300 27 52...

Page 28: ...imit Symp toms of respiratory irritation may include coughing and difficulty breathing FIRST AID MEASURES Eye No specific first aid measures are required As a precaution remove contact lenses if worn...

Page 29: ...106 Flamable and Combustable Liquids National Fire Protection Association NFPA 77 Recom mended Practice on Static Electricity and or the American Petroleum Institute API Recommended Practice 2003 Pro...

Page 30: ...ay be refined by various processes including severe solvent extractio severe hydrocracking or severe hydrotreating None of the oils requires a cancer warning under the OSHA Hazard Communication Standa...

Page 31: ...NFPA or the National Paint and Coating Association for HMIS ratings LABEL RECOMMENDATION Label Category INDUSTRIAL OIL 1 IND1 REVISION STATEMENT This revision updates the following sections of this M...

Page 32: ......

Page 33: ...lable to the purchaser Correction of defects in the manner and for the period of time described herein shall constitute complete fulfillment of all liabilities and responsibilities of National to the...

Page 34: ...9250 Xylon Avenue N Minneapolis MN 55445 U S A Toll free 800 245 0267 Phone 763 315 5300 Fax 800 648 7124 Fax 763 535 8255 Web Site www nationalequipment com E Mail info nationalequipment com...

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