Exmark Lazer Z HP 565 User Manual download pdf (Page 33)

Maintenance

Adjustments

Note:DisengagePTO,shutoffengine,waitfor

allmovingpartstostop,engageparkingbrake,and

removekeybeforeservicing,cleaning,ormakingany

adjustmentstotheunit.

DeckLeveling

1.Positionmoweronaatsurface.

2.Stopengine,waitforallmovingpartstostop,and

removekey.Engageparkingbrake.

3.Checktirepressureindrivetires.Properination

pressurefortiresis13psi(90kPa).Checktire

pressureincastertires.Properinationpressure

fortiresis13psi(90kPa).Adjustifnecessary.

Semi-pneumaticcastertiresdonotneedtobe

inated.

4.Setanti-scalprollerstotopholesorremovethem

completelyforthisadjustment.

5.Raisethedecktothe41/2inch(11.4cm)height

positionandtakeasmuchforceaspossibleoffof

thetwolargedeckliftspringsbylooseningthe

nutsatthefrontofeachspring.(Figure14).

6.Lowerthedecktothe11/2inch(3.8cm)

heightposition.Placetwo15/16inch(3.3cm)

thickblocksundertherearedgeofthecutting

deckskirt;oneoneachsideofthecuttingdeck

(Figure14).

7.Placea11/8inch(2.9cm)blockunderthecenter

frontedge,butnotundertheanti-scalproller

brackets

8.Loosenthetwotopchainboltsinslotsinthe

reardeckliftarms.Loosenjamnutsandbackoff

thesocketheadadjustingscrewsonthebottom

ofthearmsuntilthechainsarejustloosewhen

pressureisappliedtoforcereardecksupport

armsdown.Continuetopressdownonreardeck

supportarmsandturnthesocketheadadjusting

screwsinuntilslackistakenoutofeachchain.

Tightenthejamnuts.Tightenthechainboltsin

thedeckliftarmsmakingsuretheydonotmove

whiletightening.

9.Loosenfournutswhichsecurefrontswivels(two

perside),untilfrontchainsarelooseandfront

ofdeckissupportedbythe11/8inch(2.9cm)

block.Donotloosenfrontchainhardware.

10.Onleftside,adjustfrontswivelusingthelocking

nutbehindtheswiveluntilthefrontchainistight

andallslackisremovedfromlinkage.Donot

liftfrontofdeckoff11/8inch(2.9cm)block.

Securefrontswivelusinglockingnutinfrontof

swivel.Repeatforrightside.

Figure14

1.Swivel

2.Adjustfrontdeckheighthere

3.Adjustspringtensionhere

4.101/2inches(26.7cm)for46inchdeck;10inches

(25.4cm)for50inchdeck;91/2inches(24.1cm)for

56inchdecks

5.Applydownwardpressurehere

6.Jamnut

7.Socketheadadjustingscrew

8.Slottedhole

9.Frontoftheunit

11.Recheckthatblockstjustsnuglyunderthe

deckskirtandthatthetensiononallthechains

areapproximatelyequal.Makesureallchain

attachmentboltsaretight.

12.Raisedeckliftlevertothe41/2inch(11.4cm)

cuttingheightposition(alsotransportposition

(Figure8).Adjustspringcompressionuntil

properdistanceisobtainedbetweenthetwo

washersbyturningthenutatthefrontofeach

spring(Figure14).Locknutsinpositionwithjam

nuts.

13.Repositionanti-scalprollersandtightensecurely.

Note:Whenaboveadjustmentshavebeenmade,

thefrontofthedeckwillbeslightlylowerthanthe

rearofthedeck.

PumpDriveBeltTension

Self-tensioning-Noadjustmentnecessary.

DeckBeltTension

Self-tensioning-Noadjustmentnecessary.

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