Exmark NAVIGATOR User Manual

Maintenance
Figure17
1.Positive(+)cableondischargedbattery
2.Positive(+)cableonboosterbattery
3.Negative(–)cableontheboosterbattery
4.Negative(–)cableontheengineblock
5.Boosterbattery
6.Dischargedbattery
7.Engineblock
4.Connecttheotherendofthepositivecabletothe
positiveterminaloftheboosterbattery.
5.Connecttheblacknegative(–)cabletotheother
terminal(negative)oftheboosterbattery.
6.MAKETHEFINALCONNECTIONON
THEENGINEBLOCKOFTHESTALLED
VEHICLE(NOTTOTHENEGATIVEPOST)
AWAYFROMTHEBATTERY .STANDBACK.
7.Startthevehicleandremovethecablesinthe
reverseorderofconnection(theengineblock
(black)connectionisthersttodisconnect).
CheckMowerBlades
ServiceInterval:Beforeeachuseordaily
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Liftdeckandsecureinraisedpositionasstated
insectionRaisingtheMowerDecktothe
ServicePosition.
3.Inspectbladesandsharpenorreplaceasrequired.
4.Toremoveblade,useablockofwoodorlocking
plierstoholdbladeinplaceandremovethe
1/2-20x21/4inchbladeboltthatsecuresthe
bladeandbladedriver.
5.Re-installthebladedriver(withnewblades)by
usingablockofwoodorlockingplierstohold
thebladeinplaceandtorquethebladeboltsto
85-110ft-lb(115-149N-m).
Note:Bladedriveratsmustbealignedwith
theatsontheshaftwheninstallingbladeonthe
mowerdeck.
6.Lowerthemowerdecktotheoperationposition
(seesectionLoweringtheMowerDecktothe
OperationPosition).
WARNING
Operatingamowerdeckwithlooseor
weakenedbladeboltscanbedangerous.A
looseorweakenedbladeboltcouldallowa
bladerotatingatahighspeedtocomeout
fromunderthedeck,causingseriousinjury
orpropertydamage.
•Replacethebladeboltafterstrikinga
foreignobject.
•UseonlygenuineExmarkreplacement
parts.
•DoNotlubricatethethreadsoftheboltor
spindlebeforeassembly.
•Torquethebladeboltto85-110ft-lb
(115-149N-m).
•Torquetheshearboltsto80-100in-lb
(922-1130N-cm).
Figure18
1.1/2-20x21/4bladebolt—torqueto85-110ft-lb
(115-149N-m).
2.Washer
3.Shearbolts—torqueto80–100in-lb(922-1130N-cm)
4.Bladedriver
5.1/4-20nylocnuts
33

Exmark NAVIGATOR Specifications

General

Drive System	Hydrostatic
Deck Construction	Fabricated
Transmission	Hydrostatic
Deck Material	Steel
Turning Radius	Zero-turn
Cutting Width	42 in
Blade Tip Speed	18, 500 fpm
Engine Type	V-Twin