Hayter RT380H - Sharpening the Blades; Installing the Blades

3.Removethebolt(5/8inchwrench),curvedwasher,
retainer,andblade(Figure46).Useablockofwood
asawedgebetweenthebladeandthecutterdeckto
lockthebladewhenyouareremovingthebolt.
Figure46
1.Bolt
4.Spindle
2.Retainer
5.Curvedwasher
3.Blade
4.Inspectallparts;replaceanypartsthataredamaged.
SharpeningtheBlades
1.Usealetosharpenthecuttingedgeatbothendsof
eachblade(Figure47).Maintaintheoriginalangle.
Thebladeretainsitsbalanceifyouremovethesame
amountofmaterialfrombothcuttingedges.
Figure47
1.Sharpenatoriginalangle
2.Checkthebalanceofeachbladebyputtingiton
abladebalancer(Figure48).Ifthebladestaysina
horizontalposition,thebladeisbalancedandcanbe
used.Ifthebladeisnotbalanced,lesomemetal
offofthebacksideoftheblade.Repeatthisstep
untilthebladeisbalanced.
Figure48
1.Blade2.Balancer
InstallingtheBlades
1.Installeachblade,bladeretainer,curvedwasher
(cuppedsidetowardblade),andthebladebolt
(Figure46).
Important:Thecurvedpartoftheblademust
bepointingtowardtheinsideofthecutterdeck
toensurepropercutting.
2.Tightenthebladeboltto45to60ft-lb(61to81
N⋅m).
RemovingtheCutterDeck
1.Parkthetractoronalevelsurface.
2.Disengagethebladecontrol(PTO)andsetthe
parkingbrake.
3.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
4.Movetheheight-of-cutleverintothe“D”notch.
5.Removetheheight-of-cutliftassistspringfromthe
retainingbolt(Figure49).Thespringisbetweenthe
frameandtherightrearwheel.
Figure49
1.Spring3.Springtool
2.Bolt
Note:Usethespringtoolprovidedwiththe
machine.
Whenyouremovethecutterdeck,the
spring-tensionedheight-of-cutlevercould
suddenlyreleaseandinjureyouorsomeone
else.
Movetheheight-of-cutlevertothe“D”position
andremovetheheight-of-cutassistspringto
releasethespringtension.
6.Movetheheight-of-cutleverintothe“A”notch.
7.Unhookthespringontheidlerpulleyarmfromthe
bracketonthecutterdeck(Figure50).
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