National-mower HYDRO HYD70OM-8/99 User Manual

HYDRO 70" TRIPLEXNATIONAL MOWER CO.700 Raymond Ave., P.O. Box 14299, St. Paul, Minnesota 55114-0299, U.S.A.Phone (651) 646-4079  Fax (651) 646

HY70OM-8/99104. Remove the two top fasteners holding the pivotbracket to the cutting unit and loosen the bottomfastener so the bracket is free to rot

NATIONAL HYDRO 70" TRIPLEX®115GENERAL INFORMATION5.1ENGINEYour vehicle is powered by twin cylinder, 4cycle Briggs & Stratton Vanguard engi

HY70OM-8/99125.8CHOKEWhen starting a cold engine, pull the chokecontrol out to close the choke plate and allow a richerfuel mixture to enter the engi

NATIONAL HYDRO 70" TRIPLEX®136OPERATION7ADJUSTMENTS7.1ADJUSTMENTSRead each instruction completely andmake sure you understand it beforemaking

HY70OM-8/9914REEL CONTROL CLUTCHADJUSTMENT, ContinuedIf clutch idler is restricted from its properfunction, (engaging and disengaging reel belt drive)

NATIONAL HYDRO 70" TRIPLEX®157.6 REEL TO BEDKNIFE ADJUSTMENTThe reel is adjusted to a fixed position bedknife.This makes a more rugged a

HY70OM-8/9916Reels must be ground at 25° in the direction shown by thearrow. Back grind until reel blades are free from roundness,dents and nicks. Spi

NATIONAL HYDRO 70" TRIPLEX®178MAINTENANCETo avoid possible serious bodily injury,before performing any adjustments,maintenance, or lubrication,

HY70OM-8/99188.4CHARGING A BATTERY1. Remove the battery from the tractor beforecharging.2. Be sure charger is Off.3. Connect charger leads to batte

NATIONAL HYDRO 70" TRIPLEX®198. 9HYDRAULIC HOSES1. Hydraulic hose and tube lines should be inspectedevery week to check for cuts, loose connect

HY70OM-8/992DECLARATION OF CONFORMITYaccording to Directive 89/392/EECWe NATIONAL MOWER COMPANY...

HY70OM-8/9920MAINTENANCE, Continued8.11HYDRAULIC OIL FILTERTo prevent damage to the hydraulic system, thehydraulic oil filter should be changed after

NATIONAL HYDRO 70" TRIPLEX®218.17COUPLING ALIGNMENTTo prevent coupling failures proper shaft alignmentbetween the pump shaft and engine shaft i

HY70OM-8/99229STORAGE9.1GENERAL INSTRUCTIONSWhen you do not plan to use your vehicle forsome time, it should be stored in a dry and protectedplace.

NATIONAL HYDRO 70" TRIPLEX®2310TROUBLE SHOOTING GUIDE10.1ENGINE WILL NOT STARTCheck fuel in tank.Check if fuel is at end of fuel line at carbu

HY70OM-8/992411LUBRICATIONGrease Items 1 through 9 (use pressure gun) every40 hours.Clean fittings and slowly fill until grease begins toseep out.App

NATIONAL HYDRO 70" TRIPLEX®25Grease Items 1 through 7 (use pressure gun) every40 hours.Clean fittings and slowly fill until grease begins toseep

HY70OM-8/992612ELECTRICAL SCHEMATICGROUND WIRE(07104)REEL CONTROLSWITCH (#07325)SEATSWITCH(#07332)HOUR METER(#07063)GRD.BATTERYIGNITION SWITCH(#07065

NATIONAL HYDRO 70" TRIPLEX®27PARTS LISTNote: For your records and future ordering, fill in the following information.DATE PURCHASED MODEL NO. SE

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NATIONAL HYDRO 70" TRIPLEX®3National Mower Safe Operation PracticesFor Riding MowersIMPORTANTWARNING California, USA residents are required by

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HY70OM-8/994TABLE OF CONTENTSDeclaration Of Conformity ... 2Safe Operating P

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HY70OM-8/9942WHEELMOTORPUMPFILTERLIFTCYLINDERTANKNEEDLEVALVELIFT VALVEWHEELMOTORREARWHEELMOTOR

NATIONAL HYDRO 70" TRIPLEX®431 07303 HOSE, Motor 32 07309 LINE, Pump to Tee 13 07310 LINE, Pump to Tee 14 07299 HOSE, Case Drain, R.H. 15 07306

HY70OM-8/9944WHEELMOTORFILTERPUMPLIFTCYLINDERTANKNEEDLEVALVELIFTVALVEWHEELMOTORREARWHEELMOTOR

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NATIONAL HYDRO 70" TRIPLEX®51INTRODUCTIONThis manual has been prepared by National MowerCompany as an aid to users for assembly, maintenance,ad

HY70OM-8/9950Qty.Item Part No. DescriptionDescriptionItemPart No.Qty.1 302864 ADJUSTER, Rear Roller 32 02228 NUT, Jam 123 09169 CABLE, Roller Scraper

NATIONAL HYDRO 70" TRIPLEX®51NATIONAL MOWER COMPANYONE YEARLIMITED WARRANTYFor the period of one year from the date of purchase (45 days if th

HY70OM-8/9963SPECIFICATIONS3.1ENGINE SPECIFICATIONSTYPE: Twin Cylinder, Air CooledENGINE MODEL: Briggs & Stratton VanguardHORSEPOWER: 11.9 kw (1

NATIONAL HYDRO 70" TRIPLEX®707406072570740507403073720725607404NATIONAL MOWER CO.700 RAYMOND AVE.ST. PAUL, MINNESOTA 55114 USA651-646-4079

HY70OM-8/9980740807409 07407TRANSFERS, Continued3.11TRANSFER DESCRIPTION07406 Do not exceed 25 degree slope. Located on main chassis.07403 Park

NATIONAL HYDRO 70" TRIPLEX®94ASSEMBLY INSTRUCTIONS4.1ASSEMBLYThe Hydro 70 is shipped in two separate crates, one forthe tractor and one for th