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Components and Assembly

Wider is not always better or faster.

• 

Normally, bevel on the blade is up for concrete (Figure 3); bevel down for wood 

(Figure 3.1). 

• 

Dull blades greatly affect the performance of the machine and reduce cutting ability. 

Re-sharpen or replace blades as needed.

• 

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avoid blade damage. 

• 

Blades can be offset in cutting head for easier access to toe kicks or removal along 

the wall  (Figure 4).

• 

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#584 Scoring Tool (Figure 5).

• 

Self-scoring blades eliminate the need for pre-scoring material. Depending upon 

the type of material being removed and the sharpness of the blade and scoring 

wings, the self-scoring blades may make it harder to control the machine. Keep 
scoring wings sharp at all times.

Blade Changing

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2.  Use the supplied extended 7/32 “T” wrench (Domestic) or a 6 mm Hex wrench 

(International) with at least a 3” (76 mm) extension to keep hand safely away from 
the sharp edge of the blade. Loosen the two Allen head bolts. 

3.  Place blade into cutting head; slide all the way back to the bolts. If the blade is 

wider than the cutting head, center blade to the head. If blade is smaller than the 
cutting head, the blade should be mounted in the center of the cutting head during 

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4.  Tighten the bolts. 

9

FIG. 3

FIG. 3.1

FIG. 4

FIG. 5

WARNING:

 BLADES ARE SHARP, USE EXTREME CAUTION WHEN HAN-

DLING. ALWAYS WEAR GLOVES AND EYE PROTECTION. NEVER CHANGE 
CUTTING HEAD OR SERVICE BLADES WHILE MACHINE IS RUNNING.

Summary of Contents for 5280 Series

Page 1: ...Read Manual Before Operating Machine 401871 Rev C 5280 SELF PROPELLED SCRAPER INSTRUCTION MANUAL...

Page 2: ......

Page 3: ...le of Contents 3 HDWXUHV DQG 6SHFL FDWLRQV 4 Components and Assembly 8 Transport 8 Preparing Machine for Job 8 Operation 10 Operating Controls 10 Application Setup 10 Blade Sharpening 10 Troubleshooti...

Page 4: ...dle Control Lifting Bail Eyebolts HEULV H HFWLQJ URQW Weight Saddle Weight Speed Control Dial 3URGXFW 6SHFL FDWLRQV Width Length Height Weight Speed RPM Amps Vibration X Axis Y Axis Z Axis 17 43 2 cm...

Page 5: ...tooling Remove tooling when ma FKLQH LV QRW LQ XVH DQG RU ORZHU FXWWLQJ KHDG WR WKH RRU Do not force equipment Equipment will perform best at the rate for which it was designed Excessive force only c...

Page 6: ...EPRODUCTIVE TOXICITY OR OTHER HARMFUL EFFECTS CONTROL DUST MIST AND FUMES AT THE SOURCE WHERE POSSIBLE IN THIS REGARD USE GOOD WORK PRACTICES AND FOLLOW THE RECOMMENDATIONS OF THE MANUFACTURER SUPPLIE...

Page 7: ...GH LWK WKH H FHSWLRQ RI WKRVH FRPSULVHG SULPDULO RI ZDWHU DOO K GUDXOLF XLG LV DPPDEOH LQFOXGLQJ PDQ UH UHVLVWDQW K GUDXOLF XLGV ZKHQ H SRVHG WR WKH SURSHU FRQGLWLRQV HDNLQJ SUHV VXUL HG K GUDXOLF XLG...

Page 8: ...ase or oil 2 Attach ramp securely to back of vehicle making sure there is good contact 3 Position machine at bottom of ramp 4 Engage power switch and drive machine up the ramp Ramp Unloading 1 Positio...

Page 9: ...coring wings the self scoring blades may make it harder to control the machine Keep scoring wings sharp at all times Blade Changing 3ODFH D DW SLHFH RI ZRRG XQGHU WKH IURQW RI WKH PDFKLQH 2 Use the su...

Page 10: ...ut determine what size blade works best Direct Glued Carpet Can be done with either self scoring blades or pre score carpet to blade width prior to stripping with 584 Scoring Tool Pre scored carpet ma...

Page 11: ...TXDOLW QH WRRWK KDQG OH XVH VDPH SURFHGXUH DV DERYH Blades are sharp Use extreme caution Have plenty of sharp blades on each job so on the job blade sharpening is elimi nated It is best to sharpen du...

Page 12: ...rd movement Damaged belt Remove front cover plate and inspect belt Damaged speed control valve Inspect speed control valve Turn counter clockwise to open valve 0RWRU VKXWV RII RU ZRQ W VWDUW Push rese...

Page 13: ...HU RU QRW FDXVHG E RU UHVXOWLQJ IURP WKH QHJOLJHQFH RI VHOOHU DQG RU WKH PDQX IDFWXUHU RI WKH SURGXFW XQOHVV VSHFL FDOO SURYLGHG KHUHLQ 7KLV ZDUUDQW VKDOO QRW DSSO WR DQ SURGXFWV RU SRUWLRQV WKHUH RI...

Page 14: ...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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