National Mower HYDRO HYD70OM-8/99 User Manual

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HY70OM-8/99

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TABLE OF CONTENTS

Declaration Of Conformity ............................................................................. 2

Safe Operating Practices .............................................................................. 3

Introduction ................................................................................................... 5

Receipt of Shipment ...................................................................................... 5

Specifications ............................................................................................6-9

Engine Specifications ............................................................................ 6

Transmission .......................................................................................... 6

Vehicle Specifications ............................................................................ 6

Battery ................................................................................................... 6

Mower Specifications ............................................................................. 6

Weight and Dimensions ......................................................................... 6

Lubricants .............................................................................................. 6

Disposal Numbers .................................................................................. 7

Noise Emission and Vibration ................................................................. 7

Decals .................................................................................................7-8

Assembly Instructions .............................................................................. 9-10

General Information ......................................................................... 11-12

Engine.................................................................................................. 11

Traction Drive Train .............................................................................. 11

Reel Drive ............................................................................................ 11

Ignition Switch ...................................................................................... 11

Hour meter ........................................................................................... 11

Ammeter............................................................................................... 11

Reel Control ......................................................................................... 11

Choke .................................................................................................. 12

Throttle Lever ....................................................................................... 12

Traction Pedal ...................................................................................... 12

Mow and Lift Treadle ............................................................................ 12

Free Wheeling Valve ............................................................................ 12

Drop/Lift Needle Valve .......................................................................... 12

Interlock Switches ................................................................................ 12

Operation .................................................................................................... 13

Adjustments ................................................................................................. 13

Traction Pedal ...................................................................................... 13

Reel Control Clutch ........................................................................ 13, 14

Seat Switch .......................................................................................... 14

Height of Cut ........................................................................................ 14

Reel to Bedknife ................................................................................... 15

Reel End Play ...................................................................................... 15

Backlapping Procedure .................................................................. 15, 16

Grinding Procedure .............................................................................. 16

Maintenance ............................................................................................... 17

General ................................................................................................ 17

Assembly and Disassembly .................................................................. 17

Battery ........................................................................................... 17, 18

Charging a Battery ............................................................................... 18

Bed Knife Replacement ........................................................................ 18

Fuel filter .............................................................................................. 18

Engine.................................................................................................. 18

Electrical System ................................................................................. 18

Hydraulic Hoses ................................................................................... 19

Hydraulic Oil......................................................................................... 19

Hydraulic Oil Filter ................................................................................ 20

Handle Bar Removal ............................................................................. 20

Jumper Cables ..................................................................................... 20

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