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9.Pinion & machine motor
Pinion & machine motor
×4
3mm
Pinion and machine motor unit are supplied
as one spare part unit and thus these steps are
rarely necessary.
Preparations
Start by separating motor unit from gear
house, see chapter 7, "Disassembling of motor
unit..." and then chapter 8, "Electronics...".
Pinion
1. Disassemble the pinion house:
(a) remove the four pinion house fasten
ers (Allen wrench: 3mm)
2. Pull off pinion house from motor
shaft:
(b) wedge through motor shaft fits inside
slots in pinion coupling
3. Pinion unit parts:
(c) nyloc nut
(d) pinion with fixation tabs
(e) pinion bearing
(f) pinion coupling with fixation seat for
pinion (d) and slot for wedge (b)
(g) nylon tube
4. Knock off pinion coupling from pinion
house
• fit pinion house in a vise with pin
ion facing downwards
– use e.g. a wooden block and
knock with a mallet
5. Remove the pinion nyloc nut:
• remove the nylon tube (g)
• fit pinion coupling (f) with fixation
tabs inside a vise
– spanner: 13mm
13mm
6. Knock out pinion coupling:
• fit pinion bearing over a vise
– use e.g. the gear drive shaft and
a mallet
7. Knock pinion out through pinion bear
ing:
• fit pinion bearing over a vice
– use e.g. a socket of suitable dia
meter and a mallet.
REASSEMBLING OF PINION
Follow the steps on next page and complete
reassembling by reversing step 1—5 as above.
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