DS 19 OPERATION No. DS 231-4 : Work on the pulleys and belts. Op. DS 231-4 156
PARTICULAR POINTS
Replacement of the water pump belts.
The belts are sold as a paired set of two by our Spare Parts Department. It is necessary to replace the two belts even if one is in good
condition. Adjust the tension of the belts to 28 ft/lb (4 m.kg) (see Op. DS 231-0).
Replacement of the high pressure pump belts.
Removal.
4 Remove the belts from the dynamo and water pump.
5 - 6 Put the auxiliary clutch control lever in the declutched position and disconnect the control rod from the clutch fork, in order to remove the
belts. In the case of abnormal wear of the belts, they should be replaced, then adjust the driving pulley.
The belts are sold as a paired set of two by our Spare Parts Department. It is necessary to replace the two belts even if one is in good
condition.
8 Adjust the tension of the high-pressure pump belts to 22 ft/lb (3 m.kg) and that of the water pump belts to 28 ft/lb (4 m.kg) (see Op. 231-0).
11 Put the auxiliary clutch control lever in the normal running position, after having connected the control rod to the clutch fork.
Replacement of the pulley driving the dynamo, water pump and high pressure pump.
Removal.
13 Mark the position of the steering assembly in its bearings and the position of the pinion in relation to the wheel, before removing the
steering.
Refitting.
18 Align the pulley (see Op. DS 231-0).
20 Put the belts in position; adjust the tension (see Op. DS 231-0).
21 Fit the steering, note the markings made when removing (paragraph 13 above).
Replacement of a driving shaft.
Removal.
23 Mark the position of the steering assembly in its bearings and the position of the pinion in relation to the wheel, before removing the
steering.
Refitting.
28 Tighten the nut retaining the driving shaft bearing to 18 ft/lb (2.5 m.kg) and split pin.
29 Align the pulley (see Op. DS 231-0).
31 Adjust the tension of the high-pressure pump belts to 22 ft/lb (3 m.kg) and that of the dynamo to 28 ft/lb (4 m.kg) (see Op. DS 231-0).
32 Fit the steering, note the markings made when removing.
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