Iveco EuroCargo (12 to 26 t). Manual

35482

35484

35483

35485

35486

35487

Figure 54

Figure 55

Figure 56

Figure 57

Figure 58

Figure 59

Remove split ring (1).

Remove 3

speed gear (5) together with bush (6) and needle

bearing using puller 99341003 (1), tie rods (2), grips (4) and
clamp 99341015 (3).

Remove synchronising ring and coupling body (1) and
withdraw sliding sleeve (2) recovering springs, pins and rollers
(1).

Extract 2

and 3

speed gear fixed hub (3), synchronising

ring, coupling body (5), and 2

speed gear (5) using puller

99341003 (1), tie rods (2), grips (4) and clamp (6). Recover
the needle bearing.

Upset the main shaft and remove the reverse speed gear (4)
with bearing outer ring (6) and the shoulder ring (5) using
puller 99341003 (1), tie rods (2), grips (3) and clamp (7).

Remove the needle bearing (1), the synchroniser ring and the
coupling body (2).

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35489

35490

35491

Figure 60

Figure 61

Figure 62

Figure 63

Use the proper pliers to remove split ring (1).

Extract 1

speed gear (6) with sliding sleeve, synchronising ring

and needle bearing using puller 99341003 (1), reaction block
(2), tie rods (3), clamp (4) and grips (5).

Check and replace, if required, any damaged or worn
component and then reverse the removal procedures taking
care to the following:

- fixed hubs (1) for 1

— 2

— 3

— 4

— 5

and R.G. gears

shall be heated to 100

°C ÷ 130 °C and assembled on

main shaft. When driving the hubs, pay attention that
synchronising ring stops (2) are fitted into respective fixed
hub seats;

- shoulder split rings (1) shall have proper thickness so that

to have no axial clearance with fixed hubs (max tolerated
0.03 mm).

MAIN SHAFT ASSEMBLING

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35493

35494

35496

Figure 64

Figure 65

Figure 66

Figure 67

Fit bearing (2) into a vice and beat the shaft (1) to remove ball
bearing (2) and one half race.

Use puller 99341003 (1), tie rods (2) and grips (3) to remove
the other half race (4).

INPUT SHAFT COMPONENTS

1. Straight roller bearing - 2. Half race - 3. Half race -

4. Ball bearing - 5. Ring nut - 6. Input shaft.

INPUT SHAFT ASSEMBLING

Remove split ring (1) and extract taper roller bearing (2); use
a proper punch to remove also the taper roller bearing (3).
When refitting warm slightly the bearings.

Suitably reverse removal operations and tighten
temporarily the ring nut (1, Figure 64).

TRANSMISSION SHAFT

Bearing replacement

35492

Loosen bearing fastening ring nut (1).

Figure 68

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Figure 69

INTERNAL CONTROL SHAFT
DISASSEMBLING

Mark fork (3) assembling positions. Loosen screw (1),
withdraw shaft (2) and disassemble the unit.

35431

GEAR CONTROL COMPONENTS

1. Selection rod - 2. Shaft - 3. Synchronising rod - 4. Hub -

5. Screw - 6. 4

and 5

speed fork -

7. 2

and 3

speed fork - 8. 1

and reverse

gear fork.

Figure 70

INTERNAL CONTROL SHAFT
ASSEMBLING

Set forks (6-7-8) and hub (4) on a bench according
to the position marked at removal.
Set selection rod (1) so as to fit grooves into forks
and

hub;

repeat

this

operation

with

the

synchronising rod (3); keep in this position and fit
shaft (2).
Tighten hub (4) screw (5) to requested torque.

79446

Figure 71

Secure the unit in a vice, unscrew the four screws (1), then
disassemble epicyclic reduction gear control valve (2).

EXTERNAL CONTROL BOX
DISASSEMBLING

Figure 72

Figure 73

33655

Tighten the shaft going out of the box in a clamp, remove plug
(1) and disassemble cover (2).

78166

Remove control box pin (2) and spring (1).
Do not mix removed elements with those of the anti-release
push rod.

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Content .. 73 74 75 76 ..

Iveco EuroCargo (12 to 26 t). Manual - part 75