Iveco EuroCargo (12 to 26 t). Manual — part 57
33632
33633
Figure 63
Figure 64
Assemble on primary shaft (1) 2
nd
speed gear (4), coupling
body (5) and synchronising ring (3).
Heat fixed hub (6) for 1
st
and 2
nd
speed gears at a
temperature of 100
°C to 130 °C and assemble it on primary
shaft (1) with the internal diameter chamfering facing the
opposite part of 2
nd
speed gear.
When keying the hub, pay attention that synchronising ring
tangential stops are inserted into respective hub seats.
Assemble elastic ring (2) with an apporpriate thickness so that
the fixed hub has no axial clearance (max allowed 0.03 mm).
Assemble sliding sleeve (1) for 1
st
and 2
nd
speed gears, springs
and rollers in fixed hub seats. Assemble synchronising ring and
coupling body for 1
st
speed gear.
33634
33636
33635
Figure 65
Figure 66
Figure 67
Assemble roller bearing and 1
st
speed gear (1).
Heat at a temperature of 100
°C to 130 °C fixed hub (2) for
reverse gear and assemble it on primary shaft (1); asemble
elastic ring (3).
Assemble roller bearing and reverse gear (1).
GEARBOX 2865.6
E
URO
C
ARGO
T
ECTOR
12-26 t
71
Base - February 2003
Assemble coupling body (2) and synchronising ring (3). Heat
fixed hub (1) at a temperature of 100
°C to 130 °C and
assemble it on shaft (4) paying attention that synchronising ring
tangential stops are inserted into respective hub seats.
33637
33638
33639
Figure 68
Figure 69
Figure 70
Assemble shoulder ring (2).
Slightly heat ball bearing rolling half-race (3) and assemble it
on primary shaft (1).
Turn the shaft over in a clamp, assemble roller bearing and 3
rd
speed gear (1).
33640
33641
33642
Figure 71
Figure 72
Figure 73
Assemble sliding sleeve (2) for 3
rd
and 4
th
speed gears, springs
and rollers into fixed hub seats. Assemble synchronising ring
(3) and coupling body (1) for 4th speed gear.
Assemble roller bearing and 4
th
speed gear (2). Heat bush (3)
at a temperature of 100
°C to 130 °C, and assemble it on
primary shaft (4). Assemble elastic ring (1).
Assemble roller bearing, 5
th
speed gear (2), coupling body (1)
and synchronising ring (3) for 5
th
speed gear.
GEARBOX 2865.6
E
URO
C
ARGO
T
ECTOR
12-26 t
72
Base - February 2003
Heat fixed hub (2) for 5
th
and 6
th
speed gears, at a
temperature of 100
°C to 130 °C, and assemble it on
secondary shaft (3) with its chamfering facing 5
th
speed gear.
When keying the hub pay attention that synchronising ring
tangential stops are inserted into respective hub seats.
Assemble elastic ring (1) with a suitable thickness so that the
fixed hub has no axial clearance (max allowed 0.03 mm).
33643
33644
Figure 74
Figure 75
Assemble sliding sleeve (2) for 5
th
and 6
th
speed gears, springs
and rollers. Assemble synchronising ring (3) and coupling body
(1) for 6
th
speed gear.
MOTION ENTRY SHAFT DISASSEMBLY
33645
33647
33646
Figure 76
Figure 77
Figure 78
Unscrew ring nut (1).
Abut bearing (2), motion entry shaft (1) on a clamp and by
beating the shaft extract ball roller bearing (2) and a rolling
half-race of motion entry shaft (1).
Extract the other rolling half-race (2) from motion entry shaft
(1) with a suitable punch.
GEARBOX 2865.6
E
URO
C
ARGO
T
ECTOR
12-26 t
73
Base - February 2003
PARTS COMPOSING THE MOTION ENTRY SHAFT
1. Cylindrical roller bearing — 2. Rolling hald-race — 3. Ball
bearing — 4. Rolling half-race — 5. Ring nut — 6. Motion entry
shaft
MOTION ENTRY SHAFT ASSEMBLY
33648
33649
Figure 79
Figure 80
Slightly heat rolling half-race (1) and assemble it on motion
entry shaft (2).
33650
33652
33651
Figure 81
Figure 82
Figure 83
Assemble ball roller bearing (2); heat the other rolling
half-bearing and assemble it on motion entry shaft (1).
Temporarily screw ring nut (3).
Remove elastic ring (1) from secondary shaft (3), and extract
tapered roller bearings (2 and 4) with a suitable punch
(destructive operation).
Slightly heat tapered roller bearings (1 and 3) and assemble
them on secondary shaft (2). Assemble elastic ring (4).
SECONDARY SHAFT DISASSEMBLY
SECONDARY SHAFT ASSEMBLY
GEARBOX 2865.6
E
URO
C
ARGO
T
ECTOR
12-26 t
74
Base - February 2003
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