National Mower 68 DL - Manual (Page 3)

NATIONAL 68 SR & DL TRIPLEX ®
3
68OM-06/03
TABLE OF CONTENTS
Warranty ................................................................................................... 2
Introduction ............................................................................................... 3
Safety Information .................................................................................... 4
Safety and Control Decals ........................................................................ 7
Receipt of Shipment ............................................................................... 11
Uncrating Instructions ............................................................................. 11
Assembly ................................................................................................ 12
Preparation ............................................................................................. 14
Operation ................................................................................................ 14
Maintenance ........................................................................................... 18
Maintenance Record .............................................................................. 26
Troubleshooting ...................................................................................... 27
Parts List ................................................................................................. 28
Frame & Running Gear ................................................................... 28
Running Gear & Misc. Parts - 68 DL ............................................... 30
Seat Mounting & Belt Guards .......................................................... 31
Drive Mechanism - Upper Portion ................................................... 32
Drive Mechanism - Middle Portion .................................................. 34
Drive Mechanism - Lower Portion ................................................... 35
Drive Mechanism - 68 DL ................................................................ 36
Rear Axle & Differential ................................................................... 38
Wing Cutting Units ........................................................................... 40
Rear Cutting Unit ............................................................................. 42
Skids, Reel End Shields & Guards ................................................. 44
Roller & Standard Scrapers ............................................................ 45
Roller Scraper Kit, Dial-A-Height™ ................................................. 46
Dial-A-Height™ Roller Adjuster Kit ................................................. 47
Dial-A-Height™ Adjuster ................................................................. 48
Safety Switches ...................................................................................... 49
Electrical Diagrams ................................................................................. 50
Electrical Parts ........................................................................................ 51
Specifications .......................................................................................... 52
Parts Ordering Information ..................................................................... 53
Declaration of Conformity ....................................................................... 55
INTRODUCTION
This manual has been prepared by National Mower
Company as an aid to users in the assembly, safe
operation, maintenance, adjustment and ordering re-
placement parts. Additional information will gladly be
furnished by calling or writing the manufacturer or his
authorized agent.
Please furnish us with the Model Number, Serial Number
and Date of Purchase when contacting us about your
machine. Designations of right, left, front add rear are
used as if the operator was sitting in the mower seat.
Before operating mower, carefully and completely read
this manual. The contents provide you with an
understanding of safety instructions and controls during
normal operation and maintenance. Understand all
safety precautions provided in the manuals. Review
control functions and operation of the mower. Do not
operate the mower unless all controls function as
described in this manual. Review recommended
lubrication, maintenance, and adjustments.