Removing the timing
layshaft belt pulleys
Using tool part no.88713.1805
prevent the rotation of the drive
pulleys on the crankcase.
Important
If this operation is carried out
with the engine still assembled to
frame, prevent drive pulley rotation by
installing tool part no. 88713.2011 on
alternator cover.
Loosen the ringnut (15) using the
bush supplied with the tool.
Remove ring nut (15), spacer (20)
andouter pulley (18).
After having removed inner pulley (18),
remove the first key (16) on the timing
layshaft.
Remove the middle washer (19),
theinner pulley (18) and the inner
spacer (17).
After having removed the inner
pulley(18), remove the second
key(16) on the timing layshaft.
At this point its is possible to remove
the circlip (26) located on the timing
layshaft.
Refitting the timing layshaft
pulleys
To fit the circlip (26) to the layshaft,
use protective cap 88700.5749.
Install the inner spacer (17) on the
layshaft, with the machined side “A”
facing circlip (26).
Position the first key (16), the inner
pulley (18) with the protruding
hubfacing outwards and the guide
washer (19) on the timing layshaft.
Then fit the second key (16), the outer
pulley (18) with the protruding hub
facing inwards, the outer spacer (20)
and the lock nut (15).
Important
To prevent the nuts working
loose and consequent serious engine
damage, always use new self-locking
ring nuts on all timing belt pulleys on
reassembly.
Use tool part no. 88713.1805 to hold
the pulley against rotation and tighten
the self-locking nut to the specified
torque (Sect.C3) using the insert
supplied with the tool in conjunction
with a torque wrench. A
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