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National Mower HY70OM-8/992, HYD70OM-8/99 LIFT ARM AND DRIVE ASSEMBLY

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NATIONAL HYDRO 70" TRIPLEX

®

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Item Part No. Description Description Qty.

Item Part No.

LIFT ARM AND DRIVE ASSEMBLY

Qty.

1 302076 ARM, Lift 1

2 07458 CHAIN* Three Wheel Drive (5 Links) 1

3 302325 SUPPORT, Bearing 6

4 06127 BLOCK, Bearing 12

5 302161 STRAP, Lift 1

6 04540 SPRING, Belt Idler 1

7 302070 FRAME 1

8 302082 ARM, Idler 1

9 07365 CHAIN 4

10 03631 PULLEY, Idler 1

11 06038 BEARING, Thrust 3

12 302169 ARM, Push (Includes #21) 1

13 03629 PULLEY 1

14 302455 BAR, Lift 1

15 03630 PULLEY 3

16 04012 KEY, Woodruff 3

17 302172 ARM, Push (includes #21) 1

18 302227 SHAFT 1

19 05073 SHAFT, Push Arm 1

20 06125 BEARING, Pillow Block 2

21 06032 BUSHING 4

06124 BEARING, Flange 1

23 302360 SCRAPER, Pulley 3

24 302114 BRACKET 1

25 04073 CLEVIS AND PIN 2

26 302702 ROD, Lift Link 1

27 07265 CHAIN (6 Links) 1

28 302611 SPACER 2

* Three Wheel Drive

Contents

Main DECLARATION OF CONFORMITY National Mower Safe Operation Practices For Riding Mowers IMPORTANT TABLE OF CONTENTS 1INTRODUCTION 2RECEIPT OF SHIPMENT 3SPECIFICATIONS 3.1ENGINE SPECIFICATIONS 3.2TRANSMISSION 3.3VEHICLE SPECIFICATIONS 3.4BATTERY 3.8DISPOSAL NUMBERS 3.9NOISE EMISSION & VIBRATION 3.10TRANSFERS 3.11TRANSFER DESCRIPTION 4ASSEMBLY INSTRUCTIONS 4.1ASSEMBLY 4.2TRACTOR ASSEMBLY 4.3ASSEMBLY OF REAR CUTTING UNIT TO TRACTOR ASSEMBLY OF REAR CUTTING UNIT, Con't. 5GENERAL INFORMATION 5.1ENGINE 5.2TRACTION DRIVE TRAIN 5.3REEL DRIVE 5.4 IGNITION SWITCH 5.8CHOKE 5.9THROTTLE LEVER 5.10TRACTION PEDAL 5.11MOW AND LIFT TREADLE 5.12FREE-WHEELING VALVE 6OPERATION 7ADJUSTMENTS 7.1ADJUSTMENTS 7.2TRACTION PEDAL ADJUSTMENT 7.3REEL CONTROL CLUTCH REEL CONTROL CLUTCH ADJUSTMENT, Continued 7.4 SEAT SWITCH ADJUSTMENT 7.5HEIGHT OF CUT ADJUSTMENT INSTRUCTIONS: 7.6 REEL TO BEDKNIFE ADJUSTMENT 7.7REEL END PLAY ADJUSTMENT 7.8 BACKLAPPING PROCEDURE 7.9GRINDING PROCEDURE BACKLAPPING PROCEDURE, Continued 8MAINTENANCE 8.1GENERAL MAINTENANCE 8.2ASSEMBLY & DISASSEMBLY 8.3BATTERY 8.4CHARGING A BATTERY MAINTENANCE: 8.6FUEL FILTER 8.7ENGINE 8.8ELECTRICAL SYSTEM 8. 9HYDRAULIC HOSES 8.10HYDRAULIC OIL MAINTENANCE, Continued 8.11HYDRAULIC OIL FILTER 8.12HANDLE BAR REMOVAL 8.13JUMPER CABLES 8.14LUBRICATION 8.15PAINTING 8.17COUPLING ALIGNMENT BELT REPLACEMENT, Continued 9STORAGE 9.1GENERAL INSTRUCTIONS 9.2ENGINE 9.3BATTERY 9.4TRACTOR 10TROUBLE SHOOTING GUIDE 10.1ENGINE WILL NOT START 10.2TRACTOR WILL NOT MOVE 10.3REEL NOT TURNING: 10.4REEL WILL NOT CUT 11LUBRICATION Page 12ELECTRICAL SCHEMATIC PARTS LIST ORDERING INFORMATION Page Item Part No. Description Qty. Description Qty. TANK AND REAR FORK ASSEMBLY Page Item Part No. Description Qty. Description STEERING TOWER ASSEMBLY Page ENGINE AND FOOTREST ASSEMBLY Page Item Part No. Description Description TRACTION PEDAL AND PUMP ASSEMBLY Page LIFT ARM AND DRIVE ASSEMBLY Page FRONT CUTTING UNIT ASSEMBLY Page CENTER (REAR) CUTTING UNIT ASSEMBLY Page HYDRAULIC HOSE AND LINE ASSEMBLY Page HYDRAULIC FITTING ASSEMBLY Item DescriptionPart No. Qty. BASKET ASSEMBLY Kit No. 070001 BELT TOOL KIT KIt No. 070008 HEIGHT OF CUT BAR Kit No. 070009 PUMP Part No. 07272 WHEEL MOTOR Part No's. 07273, 07388 07390 LIFT VALVE Part No. 07274 FRONT ROLLER SCRAPER KIT Part No. 070005 LIFT CYLINDER Part No. 07275 VALVE BLOCK Part No. 07395 REAR ROLLER SCRAPER KIT Part No. 070013 NATIONAL MOWER COMPANY ONE YEAR LIMITED WARRANTY NATIONAL MOWER COMPANY 700 Raymond Avenue, St. Paul, Minnesota 55414, U.S.A.