Heiniger ICON Bedienungsanleitung Seite 35

• To fit the front bearing, place the crank head on the piece of wood (Illustration 21) with the
pin facing down over the edge, place the distance washer (the flat one) over the crankshaft
and then the remaining (biggest) bearing. Using tool no. B with the thread to the top hit the
tool until the bearing is positioned against the seat behind the crank head. Take care that
the distance washer does not get caught between the bearing and the seat behind the crank
Illustr. 21
head, the distance washer should always be free moving
• Clean the barrel thoroughly (now is a good time to fit a rug if required).
• Ensuring all bearings are seated properly before beginning to reassemble.
• Place the mouth of the barrel on the piece of wood (Illustration 15) and lower the crankshaft
with bearing fitted into the barrel, slide small end of tool no. D into the barrel and gently tap
the tool until it rests against the end of the barrel.
Illustr. 15
• Place the new wave washer over the crank shaft and lower it onto bearing.
• Clean the bush and coat it and the inside of the barrel with light oil, slide the bush down on
top of the wave washer.
• Fit NEW circlip (do not over compress the circlip when fitting because it will rub on the
inner back half joint and make the back end tight) inside the barrel, then using the small end
of tool no. D against the circlip, tap the circlip into its seat. Make sure the circlip is seated
properly in the groove.
• Reassemble the two back half joints with new grease in the back joint caps.
• Place a NEW seal over the inner back half joint (see back joint removal and replacement and
Illustration 10) and oil liberally.
Illustr. 10
• Coat inner back half joint and inside of barrel with oil and slide inner back half joint into the
barrel and screw the cog onto the end of the crankshaft.
• Reassemble the worm or pin drive and cog.
• Refit the fork making sure the flat side of the ball is facing the crank shaft (Illustration 22).
Fitting Pin Drive Pin
Illustr. 22
The pin drive pin is tapered, identify the small end of the broken pin and tap this small end of
the pin with a punch to remove it. Tap in the new pin gently, don't hit it hard or you will crack
the end of the shaft. Place the big end of your pin on an anvil or something solid and round
off (or burr over) the small end of the pin ensuring it is a good fit into the shaft, finish this job
by filing the small end flush with the shaft. Make sure the big end does not protrude out past
the outer rim of the drive coupling, if it does this will rub on the tube and run hot, file off the
excess.
Adjust Centrepost using a Post Guide
The post has a notch in the bottom around from the screwdriver slot (Illustration 16). Use this
notch as a setting mark and once you have the handpiece cutting well remember or write
down where this mark is, this will enable you to reset the post to the original position should
the need arise.
Illustr. 16
• Set a freshly ground comb and cutter that is 3mm thick.
• Apply normal tension to cutter.
• Move the cutter until the ball is at the bottom of the fork and the cutter is in the middle of
the comb.
• Loosen the centre post lock nut.
• Insert the Post Guide (Illustration 17) in the hole and sit the first ledge on the fork at the front
of the ball race.
18 Instruction manual ICON