46
English
• Cleanthenylondistancecollars;theywillbeputbackinplaceontheaxlewiththenewblades.
If the axle shows heavy wear at the location of the blades it must be replaced as well.
• Thoroughlycleanthebareaxle.Usesandpaperifnecessary.
• Checkbothbearingsforsignsofplay.Rotatingthebearingsaxleswillquicklyrevealanybea-
ring noise. If there is any, replace the bearings together with the blades.
• Placethenewbladesonthebladeaxleinthecorrectorder.
• Ensurethatthebladepointscorrespondtotheirspinningdirection.
• Twoadjacentbladesarealwaysoffsetat60degrees.
c. Placement of the blade axle
• Oncethebladeaxleisreassembleditcanbereplacedintothechassis.
The bearing holders must be fitted on the inside of the chassis plate.
• Thetwoboltsofeachbearingholderaretemporarilyputinplacewithoutsecuringthem
tightly.
• Replacethepulleyontheaxle.Don’tforgettheintermediateringandmakesuretoplacethe
wedge in the axle. Ensure that the seam of the pulley is always at the tip side of the axle.
• TightenthepulleywithcentreboltM10.Thissimultaneouslytightenstheentireaxle-assembly.
• Rotatethebladesacoupleoftimes.Iftheaxlerunsfreelywithoutstoppingimmediately,the
bearing holders can be secured tightly. If not, tick the axle tips with a plastic hammer while the
axle rotates. Once the axle rotates freely, the bearing holders can be fastened.
• Replacethebeltonthepulley.
d. Performing checks and finishing
• Checkthedepthsettingandsetitcorrectly(see§11.4.4,page34).Verifythattherearwheels
are mounted in the centre bolt holes. After all: the wheels were mounted in the uppermost bolt
holes to use up the blades.
• Checkthebelttensionandsetitcorrectly(see§11.5.5,page41).
• Replacethebeltprotectioncover.
• Repositionthemachineonallfourwheels.