Heiniger ICON - Page 34

Instruction manual ICON 17
• Thebearingsinyourhandpiecearesmallandtheballsinthemaredelicate,eachtimeyou
go to hit the bearing “think first”. The force must never travel through the balls i.e.: if you
are fitting the outer bearing into a casing (Illustration 12, Item 1) hit the outer rim only, not
the seal or the inner rim. And when fitting the bearing onto a shaft (Illustration 12, Item 2)
hit the inner rim only. If you do hit the wrong rim, or the seal, it will distort the balls, do not
use this bearing anymore, throw it away as it will run hot and wear rapidly.
• Donotclampthebarrelinavice.
• Use(replace)allthepartscontainedinthebearingkit.
• Neverre-useoldbearings.Thebearingswillhavebeendamagedduringremoval.
• Donotuseasteelhammerasthiswilljaranddamagethetoolandthebearing,useanylon
hammer or a piece of wood.
• UseaSpecialToolKit(Illustration11)theyarenotexpensiveandwilllastalifetime.
• Useasmallpieceofhardwoodtoworkonasabench.
• Makesureyouknowthedifferencebetweenthedistancewasherandthewavewasher.The
wave washer is wobbly, the distance washer is flat.
Replace Bearings „Step by Step“
• Removefork.
• Removebothcogs.
• Removebackjointspringandcaps.Thebackhalfjointwillnowcomeapart.
• Removetheinnerbackhalfjointfromthebarrel.
• Removethecirclipusingthecirclippliers.
• Cleanthecirclipgroovethoroughly(thisisimportant).
• Placethepunch(toolno.C;Illustration11)throughthefrontofthebarrel(Illustration13)
and onto the recess in the middle of the crankhead. Holding the barrel and punch in one
hand gently knock the crank shaft free from the barrel. The bush, wave washer and front
bearing will come with it. Don’t allow the bush or the crank shaft to hit the floor as damage
may occur.
• Removethepinorwormdrive.
• Slidethepunchdownwherethepinorwormdrivewasremoved,holdingtheouterback
half joint (Illustration 19) in one hand gently knock out the old bearing and clean the back
half joint thoroughly.
•
Place outer back half joint ferrule thread down onto the piece of wood and select
one of the smaller of the three bearings (Illustration 20), tap it gently into position
using tool no. A.
• Removeinnerbackhalfjointbearingwiththepunchcomingfromthecrankshaftheadend
(Illustration 19), holding the inner half back joint with one hand gently knock out the old
bearing and clean the inner back half joint thoroughly.
• Placethefrontoftheinnerbackhalfjointonthepieceofwoodandgentlytapthesmallest
of the two remaining bearing (Illustration 20) into position using tool no. A.
• Removefrontbearing(Illustration14),putthesmallendoftoolno.Dontothepieceof
wood, place the crank head inside the big end, the distance washer will now rest on the tool.
Screw the thread inside tool no. B onto the crank shaft making the crank shaft twice as long,
hit the tool until the bearing is free of its seating, unscrew the tool and remove the bearing
and the distance washer.
Illustr. 12
Illustr. 11
Illustr. 11+ 13
Illustr. 14
Illustr. 19+20