6.6 REPLACEMENT OF THE BLADES CONTROL
BELT
➤
For models with lever operated engage-
ment:
disengage the blades to slacken the belt.
➤
Up to year 2001:
Slacken off the left pin
(1)
just enough to free the
belt
(2)
from the pulley
(3)
.
➤
From year 2002:
Shift the mobile guide pulley
(1a)
forwards just
enough to free the belt
(2)
from the motor pulley
(3)
.
➤
For models with electromagnetic clutch:
there is no pin
(1)
and it is enough to tug at a sec-
tion of the belt to free it from the pulley.
Set the cutting deck to the lowest position to obtain
greater access, then dismantle the upper casing
(4)
and almost totally undo the nut
(5)
without disman-
tling the jockey pulley
(6)
so that the belt can be
removed.
➤
For models with lever operated engage-
ment:
engage the blades to withdraw the brake
pad
(7)
from the pulley
(8)
.
Keeping the blade locked, undo the screw
(9)
and
dismantle the control pulley
(8)
to remove the belt.
On reassembly, ensure that the belt is positioned per-
fectly in line with respect to the pins and rims [see
8.2.5] and remember to tighten the pin
(1 -
➤
in
lever operated engagement models).
When it has been reassembled, it is a good idea to …
Check the adjustment of the blade engagement
lever [see 4.1].
Tightening torques
1
Belt guide pin ..................................... 8 ÷ 12 Nm
5
Nut for idle pulley .............................. 20 ÷ 25 Nm
9
Screw for pulley ................................ 20 ÷ 25 Nm
5
6
9
8
7
3/2002
4
2
6
1a
3
2
1
3
2
102 - 122
6.6
.
0
- REPLACEMENT OF THE BLADES
CONTROL BELT
1 / 1
from
2000
to
••••
WORKSHOP MANUAL
page
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