Iveco EuroCargo (12 to 26 t). Manual

71678

Assemble motion inlet shaft cover (2), screw screws (1) and
tighten them at the required torque.

Figure 37

71898

Insert roller bearing into motion inlet shaft, then assemble
synchronising rings (3).
Assemble primary shaft (1) completed with internal drive shaft
(2) without completely inserting it into motion inlet shaft.

Figure 38

71903

Assemble secondary shaft (5) and simultaneously lower
primary shaft (2) and internal drive shaft (3). Pay attention to
the exact insertion of synchronising rings (4).
Remove nut (1).

Figure 39

71904

Apply LOCTITE 510 sealant on contact surface (

→) between

the front half-case and intermediate case.

Figure 40

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GEARBOX 2870.9

101

Base - February 2003

71907

Figure 41

Figure 42

Figure 43

Assemble shoulder rings, placing them into their own seat and
reverse gear (3) with cylindric roller bearing. Assemble reverse
gear supporting shaft (2) with a suitable beater, paying
attention that the arrow (1) punched on the shaft is facing the
peg insertion hole.

71905

78165

Assemble reducing gear engagement safety pin (3, Figure 23).
Assemble intermediate case (1) and screw the screws at the
required torque.

Figure 44

Apply sealer LOCTITE 510 on the surface (

→) without

staining the push rod supporting area (4, Figure 43).

78164

Insert tip (4), spring (3), then mount cover (1) and fasten
screws (2) by tightening them to the specified torque.

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102

GEARBOX 2870.9

Base - February 2003

71910

71912

71911

Figure 45

Figure 46

Figure 47

Figure 48

Figure 49

Apply tool 99370130 (1) and, through wrench 99355131 (2)
and dynamometric wrench (3), screw sun gear check nut,
tightening it at the required torque.

Assemble elastic peg (1).
Apply LOCTITE 510 sealant on contact surface (

→) between

intermediate case and cover.

71908

Assemble oil pump (1) and tighten screws (2) at the required
torque, assemble cover (3) and tighten screws (4) at the
required torque.

Key-in oil distributor (2) and sun gear (1).

Apply LOCTITE 510 sealant and assemble external gear drive
(1) tightening screws (2) at the required torque.

71886

Figure 50

Assemble epicyclic reduction gear assemble (1) after having
applied LOCTITE 510 sealant and tighten securing screws at
the required torque.

71909

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GEARBOX 2870.9

103

Base - February 2003

Figure 51

Figure 52

Connect pneumatic pipings (1) of epicyclic reduction gear
drive.
Assemble clutch disengagement lever and tighten the two
securing screws at the required torque.

79441

Insert lubrication oil in the prescribed amount after
about 20 minutes from the last LOCTITE 510 sealant
application.

Remove gearbox from rotating stand.

Apply reaction lever 99370317 (1) and with wrench
99355081 (2) screw motion outlet flange securing nut (3)
tightening it at the required torque.

79440

62457

Figure 53

Idle-Reverse Gear switch adjustment

For switch adjustment, it is necessary to carry out the following operations:

- Apply silicon sealant on threadings;

- Put gearbox in engaged reverse gear positions;

- Screw the switch till the reverse gear lamp turns on;

- Further screw the switch by 45-60

° corresponding to a 0.19-0.25 mm stroke;

- Tighten securing lock nut with a 24-type wrench at a 35 Nm torque.

The below-described sequence must be compulsorily followed.

SWITCH INSERTION POSITIONS ON 2870.9 GEARBOX

gearbox with engaged

reverse gear

idle gearbox

gearbox with engaged

gears

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GEARBOX 2870.9

Base - February 2003

Content .. 62 63 64 65 ..

Iveco EuroCargo (12 to 26 t). Manual - part 64