Iveco EuroCargo (12 to 26 t). Manual — part 75
35482
35484
35483
35485
35486
35487
Figure 54
Figure 55
Figure 56
Figure 57
Figure 58
Figure 59
Remove split ring (1).
Remove 3
rd
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
nd
and 3
rd
speed gear fixed hub (3), synchronising
ring, coupling body (5), and 2
nd
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).
E
URO
C
ARGO
T
ECTOR
12-26 t
146
GEARBOX 2895.9
Base - February 2003
35488
35489
35490
35491
Figure 60
Figure 61
Figure 62
Figure 63
Use the proper pliers to remove split ring (1).
Extract 1
st
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
st
— 2
nd
— 3
rd
— 4
th
— 5
th
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
E
URO
C
ARGO
T
ECTOR
12-26 t
GEARBOX 2895.9
147
Base - February 2003
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
E
URO
C
ARGO
T
ECTOR
12-26 t
148
GEARBOX 2895.9
Base - February 2003
35497
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
th
and 5
th
speed fork -
7. 2
nd
and 3
rd
speed fork - 8. 1
st
and reverse
gear fork.
5
4
6
3
2
1
8
7
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.
E
URO
C
ARGO
T
ECTOR
12-26 t
GEARBOX 2895.9
149
Base - February 2003
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст