Toro 03721 - Maintenance; Lubricating the Cutting Unit; Relief-Grinding the Reel

Maintenance
LubricatingtheCuttingUnit
Eachcuttingunithas5greasettings(Figure24)thatmust
belubricatedregularlywithNo.2lithiumgrease.
Thelubricationpointsarethefrontroller(2),therearroller
(2),andatthereelmotorspline(1).
Note:Lubricatingthecuttingunitsimmediatelyafter
washinghelpspurgewateroutofthebearingsand
increasesbearinglife.
1.Wipeeachgreasettingwithacleanrag.
2.Applygreaseuntilcleangreasecomesoutoftheroller
sealsandthebearingreliefvalve.
3.Wipeanyexcessgreaseaway.
g191601
Figure24
1.Reliefvalve
Relief-GrindingtheReel
Thenewreelhasalandwidthof1.3to1.5mm(0.050to
0.060inch)anda30degreereliefgrind.
Whenthelandwidthgetslargerthan3mm(0.120inch)wide,
dothefollowing:
1.Applya30degreereliefgrindonallreelbladesuntil
thelandwidthis1.3mm(0.050inch)wide(Figure25).
g028800
Figure25
1.30degrees
2.1.3mm(0.050inch)
2.Spingrindthereeltoachieve<0.025mm(0.001inch)
reelrun-out.
Note:Thiscausesthelandwidthtogrowslightly.
Note:Toextendthelongevityofthesharpnessoftheedge
ofthereelandthebedknife—aftergrindingthereeland/or
thebedknife—checkthereeltobedknifecontactagainafter
cutting2fairways,asanyburrswillberemoved,whichmay
createimproperreeltobedknifeclearanceandthusaccelerate
wear.
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