Iveco Stralis AT/AD. Manual

Figure 17

Figure 18

Figure 19

Figure 20

Figure 21

Position the magnet (6) on the filter (5) and insert this into
the hydraulic retarder. Fit the plug (3) with a new seal (4).

Screw down the fastening screw (1) with the washer (2).

Fit two new seals (2) on the hydraulic retarder (3) and mount
the heat exchanger (1) (if applicable).

Screw down the four nuts (2) fixing the heat exchanger (1) to
the hydraulic retarder (3) and tighten them to the prescribed
torque.

Connect the electric wiring (1) to the speed sensor (3) and
tighten the ring nut (2).

Replenish the gearbox with the prescribed grade and
quantity of lubricating oil.

Removing the rear box

Disconnect the gear actuator, as described in the respective
chapter.

Remove the hydraulic retarder as described under the
relevant heading.

Remove the screws (4) fixing the plates (3) fastening the pins
(6) and extract these together with the seals (5) from the
central box (7).

Extract the two centring pins (2) and remove the screws (8)
of fixing rear box (1).

70936

70933

70955

70937

70934

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Figure 22

Figure 23

Figure 24

Figure 25

Figure 26

Figure 27

Fit the eyebolt 99366811 (1) to the shaft (2) of the epicyclic
reduction gear (2). Using special ropes and lifter, detach the
rear box (3) from the middle box (4).

Removing the E.R.G.

Using a press, extract the E.R.G. spider shaft (1) from the
supporting ball bearing (2). Turn the rear box (3)
upside-down and extract the ball bearing (2).

Remove the screws (2) securing the gear (3) to the spider
shaft (1).

Using an extractor composed of: bridge 99341004 (1), stays
99341012 (2), reaction block 99345056 (3) and clamp
99341015 (5), extract the gear (6) from the spider shaft (4).

Using a screwdriver, remove the circlip (3) fastening the ring
gear with internal toothing (4) to the ring gear with external
toothing (2) and remove them from the E.R.G. (1).

Extract the toothed ring (2) from the ring gear with internal
toothing (1).

78328

70942

48941

70836

70941

70837

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Figure 28

Figure 29

Figure 30

Figure 31

Figure 32

Figure 33

Using pliers (2), tighten the ends of the circlip (3) and remove
the coupling body (4) from the E.R.G. shaft (1).

Using a punch, extract the pins (5) from the spider shaft (6).
Remove the planetary gears (3) from the spider shaft (6),
together with the rollers (2) and shim adjustment rings (1 and
4).

Extract the toothed spindle (3) from the spider shaft (1)
together with the rings (2).

Using a suitable extractor, remove the roller bearing ring (1)
from the spider shaft (2). Using a punch, extract the disc (3)
from the inside of the spider shaft (2).

Extract one of the pins (1) from the toothed spindle (2) and
extract the rings (3) from this.

Fitting the E.R.G.

Heat the inside ring (2) of the roller bearing to and fit it on
the spider shaft (3).

Fit on the circlip (1). Fit on the disc (4).

70838

70842

70839

71841

70840

70844

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70943

Figure 34

PARTS COMPRISING THE E.R.G.

1. Circlip - 2. Ring gear with external toothing - 3. Toothed ring - 4. Ring gear with internal toothing - 5. Bearing - 6. Circlip -

7. Circlip - 8. Coupling body - 9. Pins - 10. Ring - 11. Toothed spindle - 12. Disc - 13. Spider shaft - 14. Pin - 15. Shim

adjustment ring - 16. Rollers - 17. Shim adjustment ring - 18. Planetary gear - 19. Gear - 20. Screw.

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Content .. 105 106 107 108 ..

Iveco Stralis AT/AD. Manual - part 107