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NA VIGA TOR ®
For Serial Nos.
790,000 & Higher
Par t No. 4500-367 Rev . A
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W ARNING CALIFORNIA Pr oposition 65 W ar ning T he engine exhaust fr om this pr oduct contains chemicals kno wn to the State of Calif or nia to cause cancer , bir th defects, or other r epr oducti v e har m. Important: W hen the mo w er is used or operated on an y Calif or nia f or est, br ush or g rass co v er ed land, a w or king spar k ar r ester must be attached to the muf fler . If not, the operator is violating state la w , Section 4442 Public R esource Code. T o acquir e a spar k ar r est
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Introduction CONGRATULATIONS on the purc hase of y our Exmark Mo w er . T his product has been carefully designed and man ufactured to gi v e y ou a maxim um amount of de pendability and years of trouble-free operation. T his man ual contains operating, maintenance , adjustment, and safety instr uctions for y our Exmark mo w er . BEFORE OPERATING Y OUR MO WER, CAREFULL Y READ THIS MANU AL IN ITS ENTIRETY . By follo wing the operating, maintenance , and safety Figure 1 instr uctions , y ou will p
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Speed Control Linkag e Adjustment . . . . . . . . . . . . . . . . 31 Contents Steering Control Lev er R esponse Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 T rac king Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Safety . . . . . . . . . . . . . . . . . . . . .
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Safety • Nev er let c hildren or untrained people operate Safety or ser vice the equipment. Local regulations ma y restrict the ag e of the operator . Safety Alert Symbol • T he o wner/user can prev ent and is responsible T his Safety Aler t Symbol ( Figure 2 ) is used both in for accidents or injuries occur ring to himself or this man ual and on the mac hine to identify impor tant herself , other people or proper ty . safety messag es whic h m ust be follo w ed to a v oid accidents Preparation
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Safety DANGER DANGER In cer tain conditions gasoline is extr emel y In cer tain conditions during fueling , static flamma ble and v apor s ar e explosi v e. electricity can be r eleased causing a spar k which can ignite gasoline v apor s. A fir e or A fir e or explosion fr om gasoline can bur n explosion fr om gasoline can bur n y ou and y ou, other s, and cause pr oper ty dama ge. other s and cause pr oper ty dama ge. • Fill the fuel tank outdoor s in an open • Al w ays place gasoline container
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Safety • Chec k that the operator’ s presence controls , W ARNING safety switc hes , and shields are attac hed and functioning properly . Do Not operate unless they Operating a Na vigator tractor without an are functioning properly . appr o v ed Exmar k fr ont mount attachment incr eases the possibility of operator entang lement in dri v e wheels or f orw ard tip Operation o v er . Entang lement or tip-o v er could cause serious injur y or death. W ARNING W hen operating a Na vigator tractor Ope
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Safety • Stop engine , w ait for all mo ving par ts to stop , and DANGER eng ag e parking brak e: Operating on w et g rass or steep slopes can – Before refueling . cause sliding and loss of contr ol. W heels – Before dumping the g rass catc her . dr opping o v er edges, ditches, steep banks, or w ater can cause r ollo v er s, which may r esult in serious injur y , death or dr o wning . W ARNING • Do Not mo w slopes when g rass is w et. Hands, feet, hair , clothing , or accessories can become ent
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Safety • A v oid sudden star ts when mo wing do wnhill. • K ee p hands and feet a w a y from mo ving par ts . Mo w er ma y tip forw ards . If possible , do not mak e adjustments with the engine r unning . • Be a w are that operating on w et g rass , across stee p slopes or do wnhill ma y cause the mo w er to lose • Charg e batteries in an open w ell v entilated area, traction. Loss of traction to the dri v e wheels ma y a w a y from spark and flames . Unplug c harg er result in sliding and a los
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Safety Safety and Instructional Decals • K ee p all safety signs legible . R emo v e all g rease , • New safety signs ma y be obtained from dir t and debris from safety signs and instr uctional y our authorized Exmark equipment dealer or labels . distributor or from Exmark Mfg . Co . Inc . • R e place all w or n, damag ed, or missing safety • Safety signs ma y be affix ed b y peeling off the signs . bac king to expose the adhesi v e surface . Apply only to a clean, dr y surface . Smooth to remo
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Safety 103-9034 109-4638 103-9724 109-7318 109-4273 1 16-0404 1 1
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Safety 1 16-1 175 Molded in LH Console Molded into Front of Hopper 12
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Specifications Specifications Model Numbers Serial Nos: 790,000 and Higher NA V20K C; NA V27K C Systems Operator Controls • Steering and Motion Control: Engine – Speed Control lev er , located on RH console , • Engine Specifications: See y our Engine Owner’ s sets maxim um forw ard speed. Man ual – Steering lev ers , centered in front of the seat, • RPM: Full Speed: 3600 ±50 RPM (No Load) control the speed and direction of tra v el of Idle: 1500 RPM the respecti v e dri v e wheels . – Mo ving sp
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Specifications • Hy draulic Filter : R e placeable car tridg e type . – Hea vy-duty cast iron, spiral bev el g earbo x is final dri v e to blades . – Summer use abo v e 32°F (0°C): • Dec k: P/N 109-0071: 25 microns , 10 psi b ypass Full floating dec k is attac hed to out-front suppor t – Winter use belo w 32°F (0°C): frame . Dec k design allo ws for bag ging or P/N 1-523541: 40 microns , 18 psi b ypass m ulc hing . • Speeds: • Dec k De pth: – 0-7.0 mph (11.3 km/hr) forw ard. – 42 inc h Dec k: 4
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Product Overview Curb W eight: Product Overview 42 inch Deck 48 inch Deck 850 lb (386 kg) 1145 lb (519 kg) T orque Requirements Bolt Location T orque Blade Mounting Bolt 85-110 ft-lb (115-149 N-m) Engine Mounting Bolts 30-35 ft-lb (41-47 N-m) W heel Lug Nuts 90-95 ft-lb (122-129 N-m) W heel Motor Mounting 72-77 ft-lb (98-104 N-m) Bolts W heel Hub Loc kn ut 210-250 ft-lb (285-339 N-m) Figure 4 1. Speed Control Lever 4. Steering Levers 2. Controls 5. PT O Engagement Lever 6. Parking Brake Lever 3.
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Operation Brake Lever Operation Located on left side of unit, betw een the seat and Note: Deter mine the left and right sides of the console . mac hine from the nor mal operating position. T he brak e lev er eng ag es a parking brak e on the dri v e wheels . Controls Pull the lev er up and rearw ard to eng ag e the brak e . Push the lev er forw ard and do wn to diseng ag e the Steering Levers brak e . Located in the center in front of the seat. T he unit m ust be tied do wn and brak e eng ag ed
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Operation Drive Wheel Release V alves Pre-Start Located on the top left front cor ner of h y drostatic Fill fuel tanks . F or best results use only clean, fresh pumps . regular g rade unleaded g asoline with an octane rating of 87 or higher . R egular g rade leaded g asoline ma y Dri v e wheel release v alv es are used to release the also be used; ho w ev er , combustion c hamber and h y drostatic dri v e system to allo w the mac hine to be cylinder head will require more frequent ser vice . See
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Operation Important: Do Not crank the engine Disengaging the PT O contin uousl y f or mor e than ten seconds at a 1. Set the throttle to the “MID W A Y” position. time. If the engine does not star t, allo w a 60 2. Push PTO lev er do wn to the “STOP” position second cool-do wn period betw een star ting stopping the PTO and blo w er . attempts. F ailur e to f ollo w these guidelines can bur n out the star ter motor . Stopping the Engine 7. If the c hok e is in the “ON” position, g radually 1. Bri
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Operation T o tur n left or right, pull one of the steering lev ers bac k to w ard neutral in the direction desired. T he mac hine will mo v e faster the far ther the speed control lev er is mo v ed a w a y from neutral. 4. T o stop , pull the speed control lev er bac k to the neutral position. Dri ving in R ev er se 1. T o mo v e rearw ard in a straight line applying equal Figure 5 pressure pull both steering lev ers rearw ard. 1. Front removable screen 3. Primary screen can be rotated and T o
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Operation W ARNING Loading a unit on a trailer or tr uck incr eases the possibility of tip-o v er . Tip-o v er could cause serious injur y or death. • Use extr eme caution when operating a unit on a ramp . • Use onl y a sing le, full width ramp; Do Not use indi vidual ramps f or each side of the unit. • If indi vidual ramps must be used, use enough ramps to cr eate an unbr ok en ramp surf ace wider than the unit. • Do Not ex ceed a 15° ang le betw een ramp and g r ound or betw een ramp and trail
