Iveco Stralis AT/AD. Manual — part 100
70863
78299
70864
Figure 49
Figure 50
Fit the cap (3) and the switch (1) with a new gasket (2). Spread
LOCTITE 262 onto the thread of the pin (4), screw it onto the
rod (5) and tighten them to the prescribed torque.
Fit the pawls (9) and the springs (6-7-8).
Refit the gear actuator (1) as described under the relevant
heading.
Connect the electric wiring (2) to the speed sensor (6), tighten
the fixing ring nut (5) and secure the wiring (2) to the box by
inserting it in the clips (
→).
Remove the transmission from the rotating stand.
Refit the clutch actuator (3) and tighten the nuts (4) to the
prescribed torque.
COMPONENT PARTS OF THE REAR BOX OF THE EPICYCLIC REDUCTION GEAR TRAIN
!
The springs (7 - 8) are of equal length, the spring (6)
is larger.
Figure 51
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GEARBOX EuroTronic 12 AS 2301 D.D./O.D.
S
TRALIS
AT/AD
Base - January 2003
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78301
78302
78300
70870
Figure 52
Figure 53
Figure 54
Figure 55
Figure 56
Detach the gear actuator and the rear box as described under
the relevant headings. Remove the E.R.G. drive rod (4),
connecting sleeve (5), adjustment ring (3) and the plate (1)
together with the coupling body (2).
Fit the plate 99370153 (1) to the middle box (2) so that the
groove inside the plate coincides with the key (5) of the main
shaft (6).
Fasten the pins (4) by fitting the brackets (3) of the plate
99370153 to the middle box (2).
Turn the gearbox through 180
°.
Take out the screws (2) and remove the pin (3) in the joint
of the clutch uncoupling lever (1) with this lever.
Remove the screws (4) fixing the front cover (5) to the front
box.
Screw down two screws (1) into the front cover (2) and
detach this from the front box (3).
Remove the cap (3), the spring (4) from the transmission shaft
(5) and the adjustment rings (1-2-6).
GEARBOX EuroTronic 12 AS 2301 D.D./O.D.
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Removing the middle box
70871
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78306
70875
Figure 57
Figure 58
Figure 59
Figure 60
Figure 61
Figure 62
Remove the circlip (4) fastening the bearing (1) to the drive
input shaft (3). Remove the circlip (2) from the bearing (1).
Using the extractors 99345078 (1) and 99345105 (2), extract
the ball bearing (4) from the drive input shaft (3).
Remove the speed sensor (5) and the cap (4) beneath.
Take out the four centring pins (1).
Remove the screws (2) fixing the middle box (6) to the front
box (3).
Fit the eyebolt 99366811 (1) onto the front box (2). Using
special ropes and a hoist, detach the front box (2) from the
middle one (3).
Take out the screws (1) and remove the brackets (2) of the
plate 99370153. Extract the reverse gear pins (3) from the
middle box (4).
Remove the phonic wheel (2) from the drive input shaft (1).
Extract the oil pipes (4-6) from the middle box (7).
Spread apart the transmission shafts (3-5) and remove them
from the middle box (7).
78305
78304
!
To perform the following operations, the gearbox
must be positioned as shown in Figure 62 in order to
avoid any chance of the transmission shafts falling.
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GEARBOX EuroTronic 12 AS 2301 D.D./O.D.
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Figure 63
Figure 64
Figure 65
Figure 66
Fit tool 99360527 (1) onto the drive input shaft (9) and the
rods (2 and 3); fit parts (6-7 and 8) of tool 99360526 (4) onto
the drive input shaft (9).
Hook tool 899360526 (4) onto the lifter and extract the main
shaft (5) together with the drive input shaft (9) and rods (2 and
3) from the supporting bearing.
Remove the reverse gears (3) together with the roller
bearings (2).
Remove the plate 99370153 (4).
If replacement is necessary, remove the centring pins (1).
Turn the middle box (1) upside-down, remove the circlip (2)
and, working from inside the box, remove the roller bearing
(4).
Using a punch, and operating through the openings (
→) of the
middle box (1), remove the external rings (3) of the tapered
roller bearings for transmission shafts.
Clamp the main shaft (6) in a vice and remove tool 99360526
(1) and 99360527 (2).
Remove the rods (3 and 4) with the relevant forks.
78307
!
Before removing the pins (1) heat the seats of the box
to ~ 90
°C.
!
To remove the fork (5), the ring of the synchronizing
device has to be in the middle position.
Removing the main shaft
78308
GEARBOX EuroTronic 12 AS 2301 D.D./O.D.
139
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AT/AD
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