Grooves on hubs and related sliding sleeves must not be
damaged. The sliding sleeve must freely slide on the hub.
Sliding sleeve positioning rollers must not be damaged or
worn. Sliding sleeves engagement toothings must not be
damaged.
Forks must be intact and not show any sign of wear.
GEARBOX CASE
Check wear of synchronizing rings and respective coupling
bodies: they must not have any sign of wear.
Gearbox case and related covers must not show cracks.
Contact surfaces between covers and gearbox case must not
be damaged or distorted.
Bearing seats must not be damaged or excessively worn.
SHAFTS — GEARS
Shaft seats for bearings and gear toothings must not be
damaged or worn.
HUBS — SLIDING SLEEVES — FORKS
BEARINGS
Roller bearings or roller cages must be in perfect conditions
and not show traces of wear or overheating.
Keeping the bearings pressed with a hand and making them
simultaneously
rotate
along
the
two
directions,
no
roughnesses or noises when sliding must be detected.
!
Upon assembling, the following must always be
replaced: rings, sealing gaskets and springs for sliding
sleeves positioning rollers.
SYNCHRONIZERS — COUPLING BODIES
!
Upon assembling, do not mutually exchange the
controlled parts.
GEARBOX ASSEMBLY
!
Butter with sealing compound type “B” the threaded
part of all screws that have to be screwed into the
through-holes.
Clean joining surface of case and covers and apply
“LOCTITE 510” adhesive, before assembling, on one
of the two components.
Do not insert oil before 20 min. and do not try the
gearbox before 1h and 30 min.
Assemble bearing cages into their respective seats
and oil with TUTELA ZC 90.
In order to guarantee oil seal upon assembly, make
sure that sealing gaskets are already lubricated, or:
butter with oil or grease the gasket sealing lip for entry
and primary shafts.
33573
Butter, with sealing compound type “B”, the coupling seat
surface of cover (2) and with keyer 99370349 (1) and handle
99370006 (3) assemble the sealing gasket.
Figure 26
Figure 27
33574
Assemble cover (1), spacer and with a suitable beater, the
external race (3) of tapered roller bearing. Slightly heat the
case contact surface with ball bearing and assemble the
bearing itself.
Checks
GEARBOX 2865.6
E
URO
C
ARGO
T
ECTOR
12-26 t
63
Base - February 2003