Exmark Quest SP Models 850 Manual de usuario descargar pdf (Pagina 40)

Maintenance

themachinetocoolcompletelybeforestarting

theseinstructions.

2.Usingapneumaticline,blowoutanydebris

fromunderthebrakepoleandaroundthebrake

spacers.

3.Checktheconditionofthewireharnessleads,

connectors,andterminals.Cleanorrepairas

necessary.

4.Verifythat12Vispresentattheclutchconnector

whenthePTOswitchisengaged.

5.Measurethegapbetweentherotorandarmature.

Ifthegapisgreaterthan.04inch(1mm),proceed

withthefollowingsteps:

A.Loosenbothbrakemountingboltsone-half

toonefullturn(seeFigure34).

Note:DoNotremovethebrakepolefrom

theeldshell/armature.Thebrakepolehas

worntomatchthearmatureandneedsto

continuetomatchaftertheshimisremoved

toensureproperbraketorque.

Figure34

1.Brakemountingbolt

2.Shim

B.Usingneedlenosepliers,orbyhand,take

holdofthetabandremovetheshim(DoNot

discardtheshimuntilproperclutchfunction

hasbeenconrmed).

C.Usingapneumaticline,blowoutanydebris

fromunderthebrakepoleandaroundthe

brakespacers.

D.Re-torqueeachbolt(M6x1)to10ft-lb(13

N-m)+/-0.5ft-lb(0.7N-m).

E.Usinga0.010inchthickfeelergauge,verify

thatagapispresentbetweentherotorand

armaturefaceonbothsidesofthebrakepole

asshown.(Duetothewaytherotorand

armaturefaceswear(peaksandvalleys)itis

sometimesdifculttomeasurethetruegap.)

G011733

1

Figure35

1.Feelergauge

Figure36

1.Feelergauge

•Ifthegapislessthan0.010inch,then

reinstalltheshimandreferencethe

Troubleshootingsection.

•Ifthegapissufcient,proceedtothe

safetycheckinstepF.

F.Performthefollowingsafetycheck:

a.Sitontheseatandstarttheengine.

b.MakesurethebladesDoNotengage

withthePTOswitch“off”andtheclutch

disengaged.

Iftheclutchdoesnotdisengage,

reinstalltheshimandreferencethe

Troubleshootingsection.

c.EngageanddisengagethePTOswitch

tenconsecutivetimestoensuretheclutch

isfunctioningproperly.Iftheclutch

doesnotengageproperly,referencethe

Troubleshootingsection.

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