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Figure 6: Blade clamping on the cutting disk
Nut M10
CSN 02 1403.25
Washer 14
Blade
Washer 10,5
CSN 02 1702.15
Bolt M10x20
CSN 02 1103.55
6.4 V-belt replacement and adjustment of tightening pulley.
V-belt should be replaced according to its wear (cracked sides, torn belt, sides worn out
down to belt carrier fibres, belt "pulled" out of shape) or after about 100 hours of operation at
the maximum. In this machine, the belt pulled out to maximum is considered a belt in which
distance between inner belt surfaces (at the pressed lever of mowing disk drive clutch) is less
than 7 mm (see Fig. 7).
The replacement procedure is as follows:
a) Drain petrol from the engine tank. Dismount the accelerator lever (2x spanner No. 8)
from the handlebars. Bowden cable should in no case be dismounted from the steering on
the engine!
b) Unscrew three safety nuts (spanner No. 13) on the engine flange and pull the engine out
from the machine frame upwards. Never use force to pull the engine out from the frame!
Note: It is not advisable to dismount the engine together with the board which is
beneath it unless absolutely necessary. If the engine board or gearbox disassembly
from the machine frame occurs, the reverse assembly must be made with a proper
axial alignment of the gearbox and engine shafts. This is why the operation should
be made by an authorized service workshop which has to have available an original
and by manufacturer approved centring fixture.
18
BDR-595 GMI Adela 190
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