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National Mower SR 68" manual

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Table of contents for the manual

  • Page 1

    68" SR TRIPLEX – CE 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 OWNER'S MANUAL Includes Operation, Maintenance and Parts Lists for SR 68" and DL 68" OCTOBER – 2001[...]

  • Page 2

    68OMCE-10/01-350 2 NA TIONAL MOWER COMP ANY 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 Se[...]

  • Page 3

    NATIONAL 68" SR & DL TRIPLEX – CE ® 3 T ABLE OF CONTENTS Declaration Of Conformity ............................................................................... 4 Specifications Dimensions – Mower ................................................................................ 5 Engine – Briggs & Straton ......................[...]

  • Page 4

    68OMCE-10/01-350 4 DECLARA TION OF CONFORMITY according to Directive 89/392/EEC We NATIONAL MOWER COMPANY .............................................................................................................................................................. (Name of supplier) 700 Raymond Avenue, St. Paul, Minnesota 55114 U.S.A. .............[...]

  • Page 5

    NATIONAL 68" SR & DL TRIPLEX – CE ® 5 SPECIFICA TIONS Overall Length .............................................................................................. 79.13" (201 cm) Width, Wing Mowers Folded .......................................................................... 61.8" (157 cm) Width, Wing Mowers Down ........[...]

  • Page 6

    68OMCE-10/01-350 6 National Mower Safe Operation Practices For Riding Mowers 1. Know control functions and how to stop quickly. READ THE OWNER’S MANUAL. 2. Wear approved safety glasses or goggles when operating the mower. 3. Do not allow children to operate mower. Do not allow adults to operate mower without proper instruction. 4. Do not carry pa[...]

  • Page 7

    NATIONAL 68" SR & DL TRIPLEX – CE ® 7 TRANSFER IDENTIFICA TION 1 2 3 4 5 NATIONAL MOWER CO. 700 RAYMOND AVE. ST. PAUL, MINNESOTA 55114 USA 651-646-4079 FAX 651-646-2887 YEAR OF MANUFACTURE: 2000 POWER RATING: 7.5 (5.6 kW) at 3600 RPM WEIGHT: 639.5 lbs (290 kg)[...]

  • Page 8

    68OMCE-10/01-350 8 6 7 8 9 NO. PART NO. TRANSFER DESCRIPTION 1 07358 Do not exceed 25 o slope. Located on main belt shield. 2 07358 Manufacturer's identification and specifications. Located on the main belt shield. 3 07358 Read Operator's Manual. Refer to manual for adjustments. Caution: Machine is used only as a lawn mower. Keep away bys[...]

  • Page 9

    NATIONAL 68" SR & DL TRIPLEX – CE ® 9 FIGURE A CAUTION 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 INTRODUCTION This machine has been designed to meet European CE Safety Standards. Metric eqivalents are provided where[...]

  • Page 10

    68OMCE-10/01-350 10 FIGURE B[...]

  • Page 11

    NATIONAL 68" SR & DL TRIPLEX – CE ® 11 WING MOWERS 1. Remove Wing Mower Belts (17, Fig. B) from the steer- ing column. 2. Unlock Hooks (18, Fig. B) from Wing Mower Assem- blies (19, Fig. B), lower them carefully to the ground. Slip wing mower belts over Countershaft Pulleys (20, Fig. B). 3. Block mower wheels to prevent mower from movin[...]

  • Page 12

    68OMCE-10/01-350 12 OPERA TION FIGURE C The following is a description of the machine controls and their function. Refer to Figure C. 1. Engine Clutch Lever (labeled Mowing Clutch) – Engages power for travel and mowing. Down position is disengaged and up position is engaged. IMPORTANT – Engage slowly before full engagement. Always disengage the[...]

  • Page 13

    NATIONAL 68" SR & DL TRIPLEX – CE ® 13 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. 303 or equivalent [...]

  • Page 14

    68OMCE-10/01-350 14 BED KNIFE REPLACEMENT FIGURE F When the bed knife becomes damaged or too worn to keep sharp, it must be replaced. Design improvements have made bed knife replacement easier with bolt-on construction. Follow the procedure below. 1. The backbar (1, Fig. F), bed knife (2, Fig. F) and fasteners have been assembled at the factory und[...]

  • Page 15

    NATIONAL 68" SR & DL TRIPLEX – CE ® 15 FIGURE G INTRODUCTION Back lapping is a very important step in maintaining sharp reel blades on the rear and wing mowers. This procedure should be performed when the reel blades and the bed knife become slightly rounded and the grass is not cut cleanly with only a slight bed knife adjustment. Also,[...]

  • Page 16

    68OMCE-10/01-350 16 ADJUSTMENTS To ensure safety, all of the following adjust- ments must be made only after the engine clutch lever has been disengaged and the ignition key and spark plug wire have been removed. HEIGHT OF CUT The height of cut is variable and may be adjusted on both wing mowers and the rear mower by loosening the top and bottom Ad[...]

  • Page 17

    NATIONAL 68" SR & DL TRIPLEX – CE ® 17 BRAKE ADJUSTMENT The foot brake is properly adjusted if it slows the machine when depressed and can be locked when the pedal is depressed fully. Adjust brake tension by removing cotter pin and brake pedal pin and turning brake clevis located under pedal on brake rod. When adjustment is complete, at[...]

  • Page 18

    68OMCE-10/01-350 18 Engine will not start Turn ignition switch to on Ensure that there is sufficient gasoline (petrol) in the tank Make sure safety switch is making contact and mowing clutch is down Look for a loose wire on Ignition or spark plug wire not connected Operator must be positioned on seat to depress presence switches Interlock system in[...]

  • Page 19

    NATIONAL 68" SR & DL TRIPLEX – CE ® 19 P ARTS LIST Note: For your records and future ordering, fill in the following information. DATE PURCHASED MODEL NO. SERIAL NO. ORDERING INFORMATION When ordering replacement parts, always furnish: 1. Your complete name, address and phone number. 2. Model Number and Serial Number (stamped on the mai[...]

  • Page 20

    68OMCE-10/01-350 20 FIGURE 1 WHEN ORDERING, STATE THE MODEL AND SERIAL NUMBERS OF THE MOWER[...]

  • Page 21

    NATIONAL 68" SR & DL TRIPLEX – CE ® 21 ________________________________________________________________________________________________________________________________________ _______________________________________________________________________________________________________________________________________ __________________________[...]

  • Page 22

    68OMCE-10/01-350 22 WHEN ORDERING, STATE THE MODEL AND SERIAL NUMBERS OF THE MOWER FIGURE 2[...]

  • Page 23

    NATIONAL 68" SR & DL TRIPLEX – CE ® 23 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _[...]

  • Page 24

    68OMCE-10/01-350 24 WHEN ORDERING, STATE THE MODEL AND SERIAL NUMBERS OF THE MOWER FIGURE 3[...]

  • Page 25

    NATIONAL 68" SR & DL TRIPLEX – CE ® 25 ARM, Countershaft Idler BRACKET, Idler Pivot STUD, Belt Guide BELT GUIDE, Lower BELT GUIDE, Upper ROD, Main Clutch, Upper ROD, Main Clutch, Lower PULLEY, Motor BELT, Engine, Kawasaki, 6844 Gates Rated KEY, Square, Engine, ARM, Main Belt Idler SPRING, Main Belt Idler Arm LEVER, Engine Clutch KNOB, C[...]

  • Page 26

    68OMCE-10/01-350 26 WHEN ORDERING, STATE THE MODEL AND SERIAL NUMBERS OF THE MOWER FIGURE 4 NOTE—Skids and Reel End Shields are not shown. See Figure 6[...]

  • Page 27

    NATIONAL 68" SR & DL TRIPLEX – CE ® 27 FIGURE 4 — REAR MOWER 26 200223 FRAME, Rear Mower 1 27 07481 CHAIN, Roller, Rear Mower 1 28 203452 LIFTER TEE, Rear Mower 1 29 200214 BRACKET, Guard 1 30 202251 LIFTER HANDLE, Rear Mower 1 31 07039 GRIP, Lifter Handle 1 32 202301 BRACE, Seat 1 33 202249 PIVOT TUBE, Rear Mower 1 34 200271 SHIFTER [...]

  • Page 28

    68OMCE-10/01-350 28 FIGURE 5[...]

  • Page 29

    NATIONAL 68" SR & DL TRIPLEX – CE ® 29 ________________________________________________________________________________________________________________________________________ _______________________________________________________________________________________________________________________________________ __________________________[...]

  • Page 30

    68OMCE-10/01-350 30 ___________________________________________________________________________________________________________________________________________________________ 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[...]

  • Page 31

    NATIONAL 68" SR & DL TRIPLEX – CE ® 31 ________________________________________________________________________________________________________________________________________ _______________________________________________________________________________________________________________________________________ __________________________[...]

  • Page 32

    68OMCE-10/01-350 32 26 ________________________________________________________________________________________________________________________________________ _______________________________________________________________________________________________________________________________________ ______________________________________________________[...]

  • Page 33

    NATIONAL 68" SR & DL TRIPLEX – CE ® 33 14 201740 HOUSING, Main Countershaft 1 15 200208 KEY , Square, Engine 2 16 03926 BEL T , Engine, T ransport, 6841 Gates Power Rated 1 17 202071 PULLEY , Engine, Transport Belt 1 18 03903 BEL T , Engine, Mowing, 6844 Gates Power Rated 1 19 03609 PULLEY , Engine, Mower Belt 1 20 202780 BEL T GUIDE WE[...]

  • Page 34

    68OMCE-10/01-350 34 AMPMETER GRN. TO FRAME HOURMETER LEAD KEY SWITCH BATTERY GROUND SOLENOID STARTER ENGINE REGULATOR MAGNETO CLUTCH NEUTRAL SAFETY SWITCH N/O GROUND HARNESS INTERLOCK SEAT SWITCHES N/O GRN. S M B A G L #515 RED 6 GA. #512 WHITE #511 RED #516 YELLOW #516 YELLOW #501 BROWN #512 WHITE #512 RED #506 ORANGE #510 YELLOW #501 BLUE #506 OR[...]

  • Page 35

    NATIONAL 68" SR & DL TRIPLEX – CE ® 35 1 07065 KEY SWITCH 1 2 07063 HOURMETER 1 3 07064 AMPMETER 1 4 N.A. BA TTERY 1 5 07104 GROUND, Battery 1 6 07217 LEAD 1 7 07216 HARNESS ASSEMBL Y 1 8 07035 SWITCH, Clutch Safety 3 9 07572 INTERLOCK M585 1 10 07571 WIRING HARNESS 1 _____________________________________________________________________[...]

  • Page 36

    68OMCE-10/01-350 36[...]