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National Mower 68 DL manuel d'utilisation

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- nom du fabricant et année de fabrication National Mower 68 DL
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Habituellement, cela est dû au manque de temps et de certitude quant à la fonctionnalité spécifique de l'équipement acheté. Malheureusement, la connexion et le démarrage National Mower 68 DL ne suffisent pas. Le manuel d’utilisation contient un certain nombre de lignes directrices concernant les fonctionnalités spécifiques, la sécurité, les méthodes d'entretien (même les moyens qui doivent être utilisés), les défauts possibles National Mower 68 DL et les moyens de résoudre des problèmes communs lors de l'utilisation. Enfin, le manuel contient les coordonnées du service National Mower en l'absence de l'efficacité des solutions proposées. Actuellement, les manuels d’utilisation sous la forme d'animations intéressantes et de vidéos pédagogiques qui sont meilleurs que la brochure, sont très populaires. Ce type de manuel permet à l'utilisateur de voir toute la vidéo d'instruction sans sauter les spécifications et les descriptions techniques compliquées National Mower 68 DL, comme c’est le cas pour la version papier.

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Table des matières du manuel d’utilisation

  • Page 1

    MODEL 68 SR TRIPLEX MO WER MODEL 68 DL TRIPLEX MOWER NA TIONAL MOWER CO. 700 Raymond Ave., P.O. Box 14299 St. Paul, Minnesota 55114-0299, U.S.A. Phone (651) 646-4079 – Fax (651) 646-2887 www.nationalmower.com O WNER'S MANU AL Includes Operation, Maintenance and Parts List June 2003[...]

  • Page 2

    68OM-06/03 2 ONE YEAR LIMITED W ARRANTY For the period of one year from the date of purchase (45 days if the product is used for rental purposes), National Mower Company will repair or replace free of charge, for the original purchaser, any part or parts found by inspection to be defective by our Factory Authorized Service Station or by the Factory[...]

  • Page 3

    NATIONAL 68 SR & DL TRIPLEX ® 3 68OM-06/03 T ABLE OF CONTENTS Warranty ................................................................................................... 2 Introduction ............................................................................................... 3 Safety Information ..........................................[...]

  • Page 4

    68OM-06/03 4 The safety alert words below are used in this manual to identify potentially hazardous conditions. Their definitions are: DANGER means "IMMINENTLY HAZARDOUS SITUATION! If not avoided, WILL RESULT in death or serious injury." WARNING means "POTENTIALLY HAZARDOUS SITUATION! If not avoided, COULD RESULT in death or injury.&[...]

  • Page 5

    NATIONAL 68 SR & DL TRIPLEX ® 5 68OM-06/03 Do not mow in reverse, unless absolutely necessary. Always look down and behind before and during reverse motion. Shut off and raise the cutting units before operating the mower at transport speed. (Model 68 DL only.) Do not reverse battery connections. Damage to the mower can result. Battery gases ar[...]

  • Page 6

    68OM-06/03 6 SAFETY INFORMA TION 3. OPERATION Do not operate the engine in a confined space where dangerous carbon monoxide fumes can collect. Mow only in daylight or good artificial light. Before attempting to start the engine, disengage all cutting unit clutches and shift into neutral. Do not use on slopes of more than 15°. Remember there is no [...]

  • Page 7

    NATIONAL 68 SR & DL TRIPLEX ® 7 68OM-06/03 SAFETY AND CONTROL DECALS Safety decals and instructions are located on the mower near the controls or near areas of potential hazards. Worn, damaged, or loose decals must be replaced. The decal part number and the location of the decal on the mower are listed next to each decal. 07582 - DIFFERENTIAL [...]

  • Page 8

    68OM-06/03 8 07587 – IGNITION KEY (Model 68 SR) (located on top surface of main belt guard) To start the engine, place the main clutch and all cutting unit clutches in neutral. Turn the key to the clockwise position and pull on the recoil starter. Use the choke as required. To stop the engine, turn the key to the full counterclockwise position. R[...]

  • Page 9

    NATIONAL 68 SR & DL TRIPLEX ® 9 68OM-06/03 07595 – MANUFACTURER & SOUND LEVELS (located on left side of main belt guard) Guaranteed sound power level and manufacturer’s information 07415 – MODEL 68 DL LABEL (68 DL only) 07598 – MODEL 68 SR LABEL (68 SR only (located on left side of engine belt guard and right side of main belt guar[...]

  • Page 10

    68OM-06/03 10 205399 – Optional DIAL-A-HEIGHT SCALE (Rear cutting units) 205346 – Optional DIAL-A-HEIGHT SCALE (Wing cutting units) (located on each Dial-A-Height bracket) Align the bottom edge of the Dial-A-Height bracket with the desired height of cut on this decal. Read the instructions for the Dial-A-Height adjusters in the Operations secti[...]

  • Page 11

    NATIONAL 68 SR & DL TRIPLEX ® 11 68OM-06/03 CAUTION Note: Claims for shipping damages must be noted by the consignee at the point of destination and filed with the transportation company that delivers the shipment. CAUTION 3. Unbolt Seat (3) from crate bracing and lay seat aside for installation later. 4. Lift Rear Cutting Unit (4) off the cra[...]

  • Page 12

    68OM-06/03 12 ASSEMBL Y WARNING Improper assembly or adjustments can cause serious injury. SEAT 1. Mount the Rear Cutting Unit Lifter and Seat Assembly (A) to the mower frame using (2) 1/2" bolts, nuts, and washers (B). 2. Fasten the seat slides (C) to the bottom of the seat (D) using the fasteners provided with the slider mecha- nisms. Orient[...]

  • Page 13

    NATIONAL 68 SR & DL TRIPLEX ® 13 68OM-06/03 CAUTION REAR CUTTING UNIT BELT Install Rear Cutting Unit Belt (A) from Countershaft Pulley (B) to outer Drive Pulley (C). Idler Pulley (D) must ride on top of lower belt to provide proper tension. NOTE: It will be necessary to raise rear cutting unit to allow enough slack to get belt over pulleys. WI[...]

  • Page 14

    68OM-06/03 14 PREP ARA TION Handle cutting units carefully with protective gloves. Reels and bed knives are very sharp. Reels rotate freely and rotating one reel can cause other reels to rotate. Moving machinery can be dangerous if not operated properly. Follow all safe operating suggestions listed in the Safety Information section of this manual. [...]

  • Page 15

    NATIONAL 68 SR & DL TRIPLEX ® 15 68OM-06/03 D. Transport Clutch (Model 68 DL only) NEVER USE THE TRANSPORT CLUTCH WHILE THE CUTTING UNITS ARE TURNING OR WHEN THE DIFFERENTIAL SHIFT IS IN REVERSE. Use this clutch to travel between mowing sites at speeds faster than those obtained with the main clutch. Before using, disengage the cutting unit cl[...]

  • Page 16

    68OM-06/03 16 OPERA TION K. Ignition Switch (Model 68 DL shown) ALWAYS SHUT OFF THE ENGINE AND REMOVE THE KEY BEFORE LEAVING THE MOWER SEAT. The 68 DL ignition switch is located on the instrument cluster. It is a three- position switch. Turn the key clockwise to the middle position to activate the electrical system. Turn the key to the full clockwi[...]

  • Page 17

    NATIONAL 68 SR & DL TRIPLEX ® 17 68OM-06/03 HEIGHT OF CUT ADJUSTMENT To assure safety, disengage the engine clutch lever, remove the ignition key, and disconnect the engine spark plug wire prior to making any of the following adjustments. 1. STANDARD ADJUSTERS The height of cut is variable and may be adjusted on both wing cutting units and the[...]

  • Page 18

    68OM-06/03 18 CAUTION leakage is evident, it is recommended that the grease be checked once each year. Check grease level by loosening the bolts in the differential case flanges and spreading case halves. It is not necessary to totally disassemble the case or remove the wheels for this inspection. Add Multi- purpose Gear Grease such as Pennzoil No.[...]

  • Page 19

    NATIONAL 68 SR & DL TRIPLEX ® 19 68OM-06/03 LUBRICATION POINTS 1. Front wheel bearing 2. Steering Kingpin 3. Front axle pivot 4. Steering column (2 places) 5. Brake pedal pivot 6. Idler pivot bracket (68 DL only) 7. Main clutch handle 8. Wing mower clutch handle 9. Upper countershaft 10. Lower countershaft 11. Wing mower pull rod (2 places)[...]

  • Page 20

    68OM-06/03 20 MAINTENANCE LUBRICATION POINTS 12. Rear axle (2 places) 13. Differential input tube 14. Brake drum tube 15. Main axle tube 16. Seat Hinge 17. Rear mower lift arm pivot 18. Rear mower pivot tube 19. Rear mower countershaft (2 places) 20. Rear mower clutch 21. Wing mower lift arm (2 places)[...]

  • Page 21

    NATIONAL 68 SR & DL TRIPLEX ® 21 68OM-06/03 LUBRICATION POINTS 22. Cutting reel bearing (6 places) 23. Height of cut adjuster (6 places) Dial-A-Height adjusters (optional) 24. Threaded shaft (6 places) 25. Swivel block (6 places) Belt clutch arm pivot arms (68 DL only) 26. Belt clutch idler arm 27. Transport clutch foot pedal[...]

  • Page 22

    68OM-06/03 22 MAINTENANCE To assure safety, disengage the engine clutch lever, remove the ignition key, and disconnect the engine spark plug wire prior to making any of the following adjustments. Handle reel assemblies carefully with protective gloves. Reels are very sharp. Reels rotate freely and rotating one reel can cause other reels to rotate. [...]

  • Page 23

    NATIONAL 68 SR & DL TRIPLEX ® 23 68OM-06/03 ADJUSTING DRIVE BELT TENSION A belt adjusted for proper tension can be deflected slightly at a point midway between the pulleys. An over-tight belt will cause excessive bearing wear and an under-tight belt allows slipping, causing excessive belt wear. IMPORTANT: Never allow oil to get on the belt whi[...]

  • Page 24

    68OM-06/03 24 BED KNIFE REPLACEMENT Reels and bed knife are sharp. Wear gloves to avoid cutting fingers on sharp edges. Wear safety glasses to protect eyes. When the bed knife becomes damaged or too worn to keep sharp, it must be replaced. Follow the procedure below. 1. The backbar (A), bed knife (B) and fasteners (C,D) have been assembled at the f[...]

  • Page 25

    NATIONAL 68 SR & DL TRIPLEX ® 25 68OM-06/03 GRINDING REELS Reels must be ground at 25° in the direction shown by the arrow in the figure. Back grind until reel blades are free from roundness, dents and nicks. Spin grind to remove all burrs. All blades must be on the same diameter. GRINDING BED KNIVES For maximum cutting efficiency, grind bed [...]

  • Page 26

    68OM-06/03 26 MAINTENANCE RECORD e t a Dk s a T e c n a n e t n i a Mn o s r e P[...]

  • Page 27

    NATIONAL 68 SR & DL TRIPLEX ® 27 68OM-06/03 Engine will not start Turn ignition switch to on Ensure that there is sufficient gasoline (petrol) in the tank Make sure safety switches are making contact and mowing clutch is in neutral Look for a loose wire on ignition or spark plug wire not connected Interlock system inoperative—check wiring, s[...]

  • Page 28

    68OM-06/03 28 FRAME & RUNNING GEAR P ARTS LIST[...]

  • Page 29

    NATIONAL 68 SR & DL TRIPLEX ® 29 68OM-06/03 ________________________________________________________________________________________________________________________________________ _______________________________________________________________________________________________________________________________________ ____________________________[...]

  • Page 30

    68OM-06/03 30 1 07065 KEY SWITCH 1 2 07064 AMPMETER 1 3 07063 HOURMETER 1 4 09098 DASHBOARD 1 5 09218 GUARD, Main Belt 1 6 200200 STEERING WHEEL 1 7 09101 COVER, Battery 1 8 201754 HOLDOWN, Battery 1 9 201582 BA TTER Y BOX 1 10 202447 ROD, Side Post Battery 2 1 1 201925 FOOT REST , Left 1 12 07038 TIRE, Deluxe Wide 2 13 07560 INTERLOCK 1 Item Descr[...]

  • Page 31

    NATIONAL 68 SR & DL TRIPLEX ® 31 68OM-06/03 __________________________________ _______________________________________________________________________________________________________ _________________________________________________________________________________________________________________________________________ ________________________[...]

  • Page 32

    68OM-06/03 32 DRIVE MECHANISM -- UPPER PORTION[...]

  • Page 33

    NATIONAL 68 SR & DL TRIPLEX ® 33 68OM-06/03 Item Description Part No. Qty. DRIVE MECHANISM -- UPPER PORTION 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 1 1 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 GUIDE, Belt, High Speed Pulley PULLEY, Countershaft Idler IDLER, Engine Clutch ARM, Engine [...]

  • Page 34

    68OM-06/03 34 ________________________________________________________________________________________________________________________________________ _______________________________________________________________________________________________________________________________________ _______________________________________________________________[...]

  • Page 35

    NATIONAL 68 SR & DL TRIPLEX ® 35 68OM-06/03 Item Description Part No. Qty. DRIVE MECHANISM -- LOWER PORTION 2 2 1 1 2 1 1 1 1 2 1 1 2 1 1 1 1 1 1 2 2 1 1 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 PULLEY, Lower Countershaft BEARING, Lower Countershaft CARRIER, Lower Countershaft (Model 68SR only) CARRIER, Lower Countershaft [...]

  • Page 36

    68OM-06/03 36 DRIVE MECHANISM -- MODEL 68 DL[...]

  • Page 37

    NATIONAL 68 SR & DL TRIPLEX ® 37 68OM-06/03 _________________________________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________________________________ _________________________[...]

  • Page 38

    68OM-06/03 38 REAR AXLE & DIFFERENTIAL[...]

  • Page 39

    NATIONAL 68 SR & DL TRIPLEX ® 39 68OM-06/03 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _[...]

  • Page 40

    68OM-06/03 40 WING CUTTING UNITS NOTE — Skids and Reel End Shields are not shown. See parts page "Skids, Reel End Shields & Guards"[...]

  • Page 41

    NATIONAL 68 SR & DL TRIPLEX ® 41 68OM-06/03 __________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________ _______________________________________[...]

  • Page 42

    68OM-06/03 42 REAR CUTTING UNIT NOTE — Skids and Reel End Shields are not shown. See parts page "Skids, Reel End Shields & Guards"[...]

  • Page 43

    NATIONAL 68 SR & DL TRIPLEX ® 43 68OM-06/03 1 09170 GUARD, Clutch, Rear Mower, '96 and up 1 2 201513 BRACKET, Shield 2 3 200235 UPRIGHT, Shield 2 4 204498 ROLLER 1 5 204495 ADJUSTER, Roller Bracket 2 6 203248 ROLLER BRACKET, L.H. 1 7 200109 PULL YOKE, Rear Mower 1 8 200236 REEL TAKE-UP ASSEMBLY 2 9 200256 ADJUSTING SCREW & NUT, Bearin[...]

  • Page 44

    68OM-06/03 44 1 203728 SKID BAR, L.H. 1 2 202959 SHIELD, Wing Mower 3 3 201585 SKID, Mower 2 4 203727 SKID BAR, R.H. 2 5 202410 GUARD, Inside, Rear Mower 1 6 202281 CHAIN GUARD, Rear Mower 1 Item Description Part No. Qty. SKIDS, REEL END SHIELDS & GUARDS ___________________________________________________________________________________________[...]

  • Page 45

    NATIONAL 68 SR & DL TRIPLEX ® 45 68OM-06/03 Item Description Part No. Qty. ROLLERS & ST ANDARD SCRAPERS ROLLER ASSEMBL Y (21") P/N 204497 (includes items 1-4) ROLLER ASSEMBL Y (30") P/N 204499 (Includes items 1-4) ROLLER SCRAPER KIT P/N 860032 (includes items 5-8) 1 205330 CAP, Bearing 2 2 06142 BEARING, Roller 2 3 204500 SHAFT, [...]

  • Page 46

    68OM-06/03 46 _______________________________________________________________________________________________________ Item Description Part No. Qty. per Kit DIAL-A-HEIGHT™ ROLLER SCRAPER KIT , P/N 860033 (includes items 1-4) 1 205384 BRACKET, Cable Mounting, L.H. 3 2 04107 U-BOLT, 1/4-20 x 1.25 ID x 2.25 6 3 09092 CABLE, Roller Scraper, Wing Cutt[...]

  • Page 47

    NATIONAL 68 SR & DL TRIPLEX ® 47 68OM-06/03 _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ 6 ___________________________________________________________________________________________[...]

  • Page 48

    68OM-06/03 48 Item Description Part No. Qty. DIAL-A-HEIGHT™ ADJUSTER, P/N 205348 & 205349 1 204996 CAP, Vinyl 1 2 205334 WELDMENT, Threaded Rod 1 3 204995 SPRING 1 4 205345 WELDMENT, Socket 1 5 205399 WELDMENT, Height of Cut Adjuster, R.H. 1 205400 WELDMENT, Height of Cut Adjuster, L.H. 1 6 204997 END, Swivel 1 _______________________________[...]

  • Page 49

    NATIONAL 68 SR & DL TRIPLEX ® 49 68OM-06/03 SAFETY SWITCHES Never attempt to remove or circumvent the safety switches. Dangerous operating conditions may result. Your National 68 mower is equipped with safety switches to monitor the operating conditions of certain machine functions and stop the mower whenever unsafe conditions are found. It is[...]

  • Page 50

    68OM-06/03 50 ELECTRICAL DIAGRAMS MODEL 68 DL ELECTRICAL -- SAFETY SWITCH AND CIRCUIT DIAGRAM MODEL 68 SR ELECTRICAL -- SAFETY SWITCH AND CIRCUIT DIAGRAM[...]

  • Page 51

    NATIONAL 68 SR & DL TRIPLEX ® 51 68OM-06/03 ________________________________________________________________________________________________________________________________________ _______________________________________________________________________________________________________________________________________ ____________________________[...]

  • Page 52

    68OM-06/03 52 SPECIFICA TIONS Overall Length .............................................................................................. 79.13" (201 cm) Width, Wing Mowers Folded .......................................................................... 61.8 " (157 cm) Width, Wing Mowers Down ...........................................[...]

  • Page 53

    NATIONAL 68 SR & DL TRIPLEX ® 53 68OM-06/03 P ARTS ORDERING INFORMA TION When ordering replacement parts, always furnish: 1. Your complete name, address, and phone number. 2. Model Number and Serial Number (stamped on the main frame rear axle gusset below seat) 3. Part Number (it is recommended that the correct number be verified with a curren[...]

  • Page 54

    NATIONAL 68 SR & DL TRIPLEX ® 55 68OM-06/03 DÉCLARATION DE CONFORMITÉ Je soussigné, National Mower Company 700 Raymond Avenue St. Paul, Minnesota 55114, États-Unis Déclare que les tondeuses autoportées à lames rotatives (cylindriques) suivantes : Tondeuse 68 SR Triplex et Tondeuse 68 DL Triplex d'une largeur de coupe de 173 cm (68 [...]

  • Page 55

    700 Raymond Avenue P. O. Box 14299 Saint Paul, Minnesota 55114-0299 Tel. 651.646.4079 Fax: 651.646.2887 www.nationalmower.com DECLARATION OF CONFORMITY KONFORMITÄTSERKLÄRUNG DÉCLARATION DE CONFORMITÉ DECLARACION DE CONFORMIDAD CONFORMITEITSVERKLARING KONFORMITÄTSERKLÄRUNG Wir, National Mower Company 700 Raymond Avenue St. Paul, Minnesota 5511[...]