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3. Depress the LH brake pedal, slowly and to the
end of its travel, so that the oil is placed under
pressure.
4. Keeping the pedal depressed, undo the bleed
screw (1) fig. 71 by half a turn and allow the oil
mixed with air bubbles to flow out.
5. Retighten the screw (1) fig. 71 and repeat the
above operations until the oil that comes out is
free of air bubbles.
6. Depress the LH brake pedal again to place the
circuit under pressure. This occurs when the
travel of the pedal returns to normal.
7. Repeat the above operations for the RH brake
pedal by tightening or loosing bleed screw (2)
fig. 71.
8. Depress the LH and RH brake pedal, slowly and
to the end of the travel, so that the fluid is placed
under pressure.
9. Keeping the pedals depressed, loosen the bleed
screw (1) fig. 72 and (3) fig. 73 (optional for TD
60 and TD 70 models ) by half a turn and allow
the fluid mixed with air bubbles to flow out.
10. Retighten the screw (1) fig. 72 and (3) fig. 73
(optional for TD 60 and TD 70 models ) and re-
peat the above operations until the fluid that
comes out is free of air bubbles.
11. When the operation has been completed, replen-
ish the fluid in the tank (1, fig. 70).
4--32
SECTION 4 - - LUBRICATION AND MAINTENANCE
TRE0307A
1
TRE0237A
TRE0845A
71
72
3
73
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