Iveco EuroCargo (12 to 26 t). Manual

71926

Figure 109

Figure 110

Figure 111

Figure 112

71924

Extract sealing gasket (4) from cover (2), unscrew screws (1)
and disassemble cover (2) and support (3).

71923

Through a suitable wrench (1), unscrew screws (2) and
remove check washers (3).

Withdraw synchronising ring (1), reaction ring (2) and recover
the spacer ring below.

Check that ball bearing (2), when rotating along the two
directions, does not show roughness or noise when sliding.
In case of a replacement of the bearing itself, slightly heat
support (1) seat before disassembling it.

71925

Check that all parts composing the epicyclic reduction gear
assembly do not shown traces of excessive wear, seizures or
breakages.

Replace the affected parts.

Checks

Upon assembling, the following must always be
replaced: rings, sealing gaskets and springs for sliding
sleeves positioning rollers.

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71931

71930

Figure 113

Figure 114

Figure 115

Figure 116

Turn planetary gear-holder shaft (1) over, assemble
synchronising rings (2) and arrange elastic check ring (4).

71928

By using grease, pre-assemble rollers (4), shims (2) and
shoulder rings (1) into planetary gear (3).

71927

Assemble complete planetary gear (1) into planetary
gear-holder shaft (2) and key-in pin (3).

Settle pin (1) on planetary gear-holder shaft (2) by using a
plastic hammer.

By using a punch (2), assemble elastic peg (2) checking pin (3).

71932

Figure 117

Through a feeler gauge (1), check the clearance between the
two synchronising rings (2) and (3) that must be included
between 0.5 and 1.9 mm. Otherwise, replace the
synchronising rings.

Figure 118

71929

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GEARBOX 2870.9

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71936

71935

Figure 119

Figure 120

Figure 121

Figure 122

Key-in synchronising ring (1).

71933

35523

Assemble hub (1) on planetary gear-holder shaft and arrange
elastic check ring (2).

Arrange springs, pins and rollers (1), apart from the central
ones (

→), into the hub.

Key-in the crown, by placing it in a neutral position with marks
(1) next to the seats without rollers. Arrange the three central
rollers (2) and with a punch (3) push them into their seats.

71937

Figure 123

Insert spacer ring (1) into its seat in case (2).

Figure 124

71934

Key-in sliding sleeve (1) completed with check ring (2) on
crown (3), then, by compressing ring (2), push sliding ring (1)
into the crown till the check ring is hooked into its own seat.

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71941

71940

Figure 125

Figure 126

Figure 127

Figure 128

Assemble support (1) completed with ball bearing (2).
Apply LOCTITE 510 sealant on contact surface (

→) between

support and cover.

71938

71925

Assemble check washers (2), screw screws (1) and tighten
them at the required torque.

Place control fork (1) completed with rod as shown in the
figure.

Key-in box (2) on planetary gear-holder shaft (1) and on rod
for control fork (3). Key-in phonic wheel (4) on planetary
gear-holder shaft (1).
Apply LOCTITE 510 sealant on contact surface (

→) between

case (2) and support.

Figure 129

71939

Assemble synchronising ring (1) and reaction ring (2).

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Content .. 66 67 68 69 ..

Iveco EuroCargo (12 to 26 t). Manual - part 68