Iveco Stralis AT/AD. Manual — part 76
37681
37682
37683
37684
37685
Figure 116
Figure 117
Figure 118
Figure 119
Figure 120
Bed the outer ring (2) so as to make it rest on the bearing
rollers free from backlash. Use the feeler gauge (1) to find the
projecting part of the ring (2) from the cover surface (3): value
A.
Set the gasket (4) on the cover (3). Use the feeler gauge (1)
to find the gap between the gasket and the faying surface (2)
of the adjusting ring: value B
.
Thickness S of the adjusting ring is given by:
S = (B - A) + C
C = 0.18 to 0.30 mm, the prescribed preload.
Then, install the input shaft on the cover; use the connecting
tool 99374357 and relevant handle 99370006 to drive the
sealing ring into place.
Set the gasket (3) on the front cover (2) and the adjusting ring
(4) on the bearing; install the input shaft (1) on the cover.
Rotate the gearbox by 180
°.
Heat the seats of the R speed transmission gear (1) shaft. Set
the R speed transmission gear (1) c.w.the two roller bearings
(2) in the gearbox.
Install the R speed transmission gear (1, Figure 119) shaft and
check that it suitably fits the roller bearings (2, Figure 119). In-
stall the spring ring (2).
Use the feeler gauge to check that the axial backlash of the
gear (1) is 0.20 to 0.60 mm.
40
GEARBOX ZF 9 S 109 D.D.
S
TRALIS
AT/AD
Base - January 2003
37592
Figure 121
Re-install the E.R.U. (1) case as described in the relevant
chapter.
Install the gear change case and connect the pipes through the
suitable points noted at disassembling stage.
Fit in place the backup light switch.
Remove the gearbox from the revolving stand and install the
side cover on the R speed transmission gear opening.
Fill the gearbox with lubricating oil and check that type and
amount are to comply with specifications.
Install the gear change case and connect the pipes through the
suitable points noted at disassembling stage.
GEARBOX ZF 9 S 109 D.D.
41
S
TRALIS
AT/AD
42
GEARBOX ZF 9 S 109 D.D.
S
TRALIS
AT/AD
Base - January 2003
GEARBOX ZF 16 S 151 D.D. - 181 D.D./O.D. - 221 D.D.
43
S
TRALIS
AT/AD
Gearboxes:
ZF 16 S 181 D.D.
ZF 16 S 181 O.D.
ZF 16 S 221 D.D.
Page
LOCATION OF GEARBOX DESCRIPTION
PLATE
45
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DESCRIPTION
46
. . . . . . . . . . . . . . . . . . . . . . . . . .
OPERATION
48
. . . . . . . . . . . . . . . . . . . . . . . . . . .
- Slow range
48
. . . . . . . . . . . . . . . . . . . . . . . . . . .
- Fast range
49
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
EPICYCLIC REDUCTION GEAR CONTROL
50
. .
- Reduced speeds
50
. . . . . . . . . . . . . . . . . . . . . . .
- Normal speeds
51
. . . . . . . . . . . . . . . . . . . . . . . .
SPECIFICATIONS AND DATA
52
. . . . . . . . . . . . .
TIGHTENING TORQUES
56
. . . . . . . . . . . . . . . . .
TOOLS 57
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GE ARBO X FAUL T DI AGNO S I S 6 2
. . . . . . . . . . . .
REMOVING-REFITTING THE GEARBOX
65
. . . . .
- Removal
65
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
- Refitting
66
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OVERHAULING THE GEARBOX
67
. . . . . . . . . . .
- Servoshift gear box
67
. . . . . . . . . . . . . . . . . . . . .
- Removal
67
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
- Refitting
67
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
- Disassembly
67
. . . . . . . . . . . . . . . . . . . . . . . . . . .
- Assembly
69
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
- Removing the rear box
73
. . . . . . . . . . . . . . . . . .
- Removing the epicyclic reduction gear unit (ERG)
73
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