Installation Instructions

2
InstallingtheSpeed
ReductionPulleys
Partsneededforthisprocedure:
1Drivepulley
1
Shaftkey
2
Hex-headscrew(3/8x1inch)
2Washer
1Drivenpulley
Procedure
1.Applymedium-strengththread-locking
compound(suchasBlueLoctite®243)tothe
threadsofthenewscrews.
2.Install,butdonottighten,thenewscrew,
washer,anddrivenpulleytothefanshaftas
showninFigure5.
Note:Thedrivenpulleydoesnothaveakey
slot.
g367552
Figure5
1.Fanshaft
3.Washer
2.Drivenpulley
4.Screw
3.Install,butdonottighten,thenewscrew,
washer,key,anddrivepulleytothedriveshaft
asshowninFigure6.
g367553
Figure6
1.Screw
3.Drivepulley
2.Washer4.Key
4.Tightenthescrewsto52to65N∙m(38to48
ft-lb).
5.Installthebeltaroundthedrivepulleyanddriven
pulley;connectthetensioningspringtotheidler
pulleybrackettosecurethebelt.
6.Installthebeltcoverandbeltcoverscrews.
7.Installtheblowernozzleandthetightenthe
blowernozzleclamp;refertocheckingthe
nozzleclampintheOperator’sManual.
Note:Thenozzleshouldrotatefreelywhenyou
moveitbyhand.
3