DS 19 OPERATION No. DS 330-1 : Work on the gearbox. Op. DS330-1 187
TOOLS
17 Put the support fixture 1779-T on the gearbox (see Pl. 51).
Hold the gearbox with a lifting tackle in order to avoid damage to the shaft or clutch plate when disconnecting
the gearbox from the engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Support fixture 1799-T
18 Remove the screws fixing the clutch bellhousing (spanner 1677-T, see Pl. 65, fig. 4 and spanner 2431-T, see
Pl. 72, fig. 1). Disengage the gearbox . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Spanner 1677-T
Spanner 2431-T
Refitting.
19 Put the support fixture 1799-T on the gearbox (see Pl. 51).
Make sure that the dowel pins are in position on the engine.
Offer up the gearbox, make sure that it is in alignment with the engine. Engage the splines of the mainshaft
in the splines of the clutch plate by turning the mainshaft with a starting handle.
If necessary, turn the driving shaft in order to facilitate the entry of the splines in the camshaft.
Fit the screws fixing the gearbox (spanner 1677-T, see Pl. 65, fig. 4 and spanner 2431-T, see Pl. 72, fig. 1). Spanner 1677-T
Spanner 2431-T
Support fixture 1799-T
20 Fit and align the driving pulley and fit the belts (see Op. DS 231-4).
21 Connect the feed pipe to the clutch control cylinder without strain, tighten the nut moderately to 4.3 to 5.7 ft/lbs
(0.6 to 0.8 m.kg), the pipe should pass in front of the brake pipe (spanner 2219-T or 2221-T, see Pl. 72, fig. 4). Spanner 2219-T or
2221-T
12 mm box spanner
22 Remove the support fixture 1799-T, from the gearbox.
Fit the starter motor alignment fixing screws, tighten lightly and lock the locknuts. Lower the engine slightly.
Fit the flexible couplings. Make sure that the dowel pins are in position in their housings in the coupling.
Tighten the screws to 18 ft/lbs (2.5 m.kg) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12mm socket extension
12 mm spanner
23 Offer up the crossmember on the gearbox brackets (see Pl. 50).
Engage the brake unit adjusting rods (113) in the yokes (114). Pay attention to the positioning. Fix the
crossmember on the brackets, tighten the screws and turn down the lockplates. Lower the engine gearbox
assembly until the crossmember rests on the sidemember.
Remove the chain sling.
Fit the shims found when dismantling between the crossmember and the sidemembers and tighten the screws to
25
1
/4 ft/lbs (3. 5 m. kg) (plain and spring washers). The distance between the brake disc and the sidemember on
the left side should be greater by 70 ± 2 mm than the same distance measured on the right side . . . . . . . . . . . 14 mm box spanner
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