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NATIONAL 68" SR & DL TRIPLEX – CE
®
3
TABLE OF CONTENTS
Declaration Of Conformity............................................................................... 4
Specifications
Dimensions – Mower ................................................................................ 5
Engine – Briggs & Straton ...................................................................... 5
Disposal Numbers .................................................................................... 5
Noise Emission and Vibration .................................................................. 5
Safe Operating Practices ................................................................................ 6
Decal (Transfer) Identification................................................................... 7 & 8
Introduction ..................................................................................................... 9
Receipt Of Shipment ....................................................................................... 9
Uncrating Instructions ..................................................................................... 9
Assembly Instructions
Rear Mower .................................................................................... 10 & 11
Seat ................................................................................................ 10 & 11
Wing Mowers .................................................................................. 10 & 11
Engine ............................................................................................ 10 & 11
Differential ...................................................................................... 10 & 11
Maintenance
Lubrication .............................................................................................. 13
Bed Knife Replacement .......................................................................... 14
Lapping and Grinding Procedures......................................................... 15
Adjustments
Height Of Cut .......................................................................................... 16
Reel To Bed Knife Adjustment ............................................................... 16
Reel End Play Adjustment ...................................................................... 16
Brake Adjustment ................................................................................... 17
Wing Mower Drive Belt Tension ............................................................. 17
Rear Mower Drive Belt Tension ............................................................. 17
Engine Drive Belt Tension ...................................................................... 17
Main Drive Belt Tension ......................................................................... 17
Troubleshooting ............................................................................................ 18
Wiring Diagram—SR Electrical Interlock ...................................................... 18
Parts List
Ordering Information............................................................................... 19
Frame and Running Gear ............................................................... 20 & 21
Rear End ........................................................................................ 22 & 23
Drive Mechanism and Wing Mower Supports ................................ 24 & 25
Rear Mower .................................................................................... 26 & 27
Wing Mower.................................................................................... 28 & 29
Drive and Mower Skids and Shields....................................................... 30
Deluxe 68" Running Gear and Misc. Parts............................................. 31
Deluxe 68" Drive Parts ................................................................... 32 & 33
Deluxe 68" Electrical Diagram ........................................................ 34 & 35