102225
Remove screws (18), then take off overhead (19) complete
with pins 99360614 (13).
Remove the screws, and then take upper cover (2) off
overhead (19).
Remove plugs (20) from overhead (19).
Rotate the drive shaft clockwise, so that pins 99360614 (13)
can be inserted, through the holes of plugs (20), into the
corresponding holes of the drive shafts, and pin 99360615 (5)
can be inserted into the drive shaft through the base unit
hole.
Remove upper chain stretcher (1).
Remove pin (4), then take off upper shoe (3).
Remove both screw (17) and washer (16), and then
disassemble gear (15).
Remove both screw (10) and washer (11), then disassemble
gear (12) and chain (14).
Remove both plug (6) and screws (7 and 8), then disassemble
fixed upper shoe (9).
Pins 99360614, applied in order to avoid modifying
timing
after
the
toothed chain
has
been
disassembled, must be removed from the overhead
only when the latter has been disassembled.
NOTE
Remove the overhead gasket.
Remove the tappets and put them apart carefully.
Remove the pre-heating spark plugs by means of tool
99355041.
Remove the cylinder head fastening screws, and then take
the head off the base unit.
Remove the cylinder head gasket.
Figure 25
176
F1C ENGINE
D
AILY
E
URO
4