DS 19 OPERATION No. DS 00 : Work on the hydraulic system. Op. DS 00 29
TOOLS
2. For the pipe assemblies, protect the union flanges with cellulose tape.
Protect plastic pipes in the same manner.
3. For the rubber pipes, use cylindrical pegs :-
8 mm dia. 50 mm long.
12 mm dia. 50 mm long.
4 PROTECTION OF HYDRAULIC UNITS AFTER REMOVAL
Seal the openings of the units as dismantling proceeds.
a) On the high pressure pump :
1 cap D 391-58 for the feed pipe.
2 caps D 391-57 for the high pressure pump outlet (8 mm dia.
connecting pipe).
or 1 rubber cap for the high pressure pump outlet (6.35 mm dia.
connecting pipe).
b) On the pressure regulator :
1 cap D 391-60 for the return pipe.
1 plug D 391-63 for the union of the pressure regulator - brake
accumulator connecting pipe.
1 plug D 391-88 for the intake union of the pump.
1 cap D 391-111 for the union on the pressure regulator
accumulator (accumulator removed).
1 cap D 433-82 for the main accumulator (pressure regulator
disconnected).
c) On the brake accumulator :
1 plug D 391-88 for the outlet union.
2 plugs D 391-63 for the inlet unions and connecting pipe with the
other brake accumulator.
d) Oh the distribution block :
5 plugs D 391-63
e) On the height corrector :
3 plugs D 391-63
1 plug D 435-91
f) On the suspension cylinder :
1 plug D 434-95 for the inlet union.
1 plug D 434-70 for the union on cylinder of suspension sphere.
1 cap D 433-82 for the suspension sphere.
g) On the front brake cylinders:
2 plugs D 391-63 for the inlet unions and bleed pipe.
h) Oh the rear brake cylinders :
1 plug D 391-63
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