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National Mower
HY70OM-8/992, HYD70OM-8/99
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HY70OM-8/99
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WHEEL
MOTOR
FILTER
PUMP
LIFT
CYLINDER
TANK
NEEDLE
VALVE
LIFT
VALVE
WHEEL
MOTOR
REAR
WHEEL
MOTOR
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.