Heiniger ICON - How to

16 Instruction manual ICON
5.5 How to
Note: This Section is for experts only. Do not follow this instructions if you are not a trained
technician or experienced Shearer with good knowledge of mechanics. Wrong or unprofessi-
onal repair and maintenance of the handpiece can cause malfunctions which lead to serious
injury, damage and/or reduced life expectancy of your shearing handpiece. Warranty will be
void if unprofessional repair or maintenance has been carried out.
Remove Fork
Unscrew tension nut and remove tension sleeve and tension pin, unscrew fork safety screw.
Fork may now be removed. It is not necessary to remove the centre post when removing the
fork. Reassemble in the opposite order.
Fitting a new ball
Remove fork and ball, place new ball on the crank pin using a piece of wire or a pencil with the
flat side of the ball pointing to the crankhead or rear of the handpiece.
Replacing the tension pin cup
Remove fork, punch out the old tension pin cup. Place the new tension pin retaining spring on
to the tension pin cup before replacing it into the fork, tap the cup into the fork making sure the
slope on the top of the cup faces directly towards the ball race or the back of the fork.
Remove and replace Back Joint
Remove comb and cutter and screw firm tension on tension nut, put a screwdriver down
through the oil hole in the top of your handpiece so it goes between the fork and barrel,
remove the cog from the end of the crankshaft using a cog spanner. The back joint will now
slide out off the barrel.
Reassemble Back Joint
• Firstcleanthebackjointthoroughly.
• Placeyournewseal(Illustration10,Item18)overtheinnerbackhalfjoint(Illustration10,
Item 23) with the two lips facing the cogs. Ensuring that the inner lip on the seal is not
twisted, slide the seal half way up the inner back half joint.
• Oilthebushinsidethebarrelandtheinnerbackhalfjoint.
• Slidethebackjointintothebarreluntilthesealisinthebarrel
• Firmlypushthesealintoplacethenpushtheremainderofthebackjointhome.
• Andreplacethecog.
Fitting Bearing Kit
This is not a difficult job when using a Special Tool Kit (Illustration 11). It’s very important not
to rush, pull everything apart and throw away all the components you will replace. Clean up
all the remaining parts and fit the new ones carefully, taking note of the very important points
listed below, read the following instructions and cross them off once you have completed each
point.
Very Important !
Illustr. 10
Illustr. 11