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Gearbox head
Build-in lift rod item 5 in correct position. Check the complete assembled bevel gear wheel
item 24 with bearings and bolts for easy running. Attach roller holder item 124 completely.
Test roller guide for easy movement. Screw together gear part 1 and gear part 2. Screw
components „Motor with Handle " and „Gearbox".
Fill the gearbox with grease, e.g. Calypsol-D8024 (approx. 80 g).
After completion of re-assembly make following functional gauging: Cutting capacity, Power,
Start reaction
Replacement of Vanes
For replacing the main wear parts (the vanes) proceed as follows:
Disconnect air hose from handle. After loosening screws item 27 of gearbox, take off motor
with handle. Remove pinion item 20 from rotor journal. Screw out motor cover item 17. Draw out
rotor item 10 with end plate item 12 and vanes item 11. Tapping with a rubber mallet onto edge
of the motor housing item 1 is helpful. Doing that, also cylinder bushing item 7 with rear end
plate item 3 can be drawn out.
CAUTION! Do not cant/ Never use force!
Change vanes item 11, clean rotor slots, check surfaces and smooth them, if necessary.
Push cylinder bushing item 7 into housing. Take care for correct position. Put in spacers item
6 again, looking for that the inner chamfer as well as spacer item 15 point to the rotor. Insert
rotor item 10 with the new vanes item 11 and spacer item 15. Install end plate item 12 with
bearing.
Put in O-ring item 16 and fasten motor cover with screws. Now rotor has to be turned easily.
If not, light tapping with a rubber mallet straight or lateral on motor housing is helpful to put
the rotor in free-wheel position. Thereupon mount the pinion item 20 and screw on gearbox.
Connect air hose and perform functional gauging.
Replace wear parts – in particular the vanes – when necessary.
Vanes are considered worn, if their width is less than 9.5 mm.
50
Original (new) 10,5mm
Worn (replace)<9,5mm
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