DS 19 OPERATION No. DS 211-1 Work on the contact breaker. Op. DS 211-1 137
TOOLS
8 Disconnect the accelerator control from the butterfly control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 mm spanner
9 To remove the carburettor.
a) Remove the spring (13) by pulling towards the top of the support tube (14) (see Pl. 28).
Unhook the spring from the clutch engagement control.
b) Remove the screws fixing the accelerated idling control on the carburettor cover.
Remove the screw on the plate fixing the accelerated idling control pipe to the hot spot cover plate on the
inlet manifold.
c) Remove the carburettor (spanner 1623-T, see Pl. 16, fig. 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Spanner 1623-T
10 Disengage the accelerator control from its spindle on the scuttle and turn it to the left.
11 Remove the oil dipstick.
12 Remove the inlet manifold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 mm box spanner
NOTE - It is necessary to remove the two rear upper studs of the manifold.
13 Remove the screw fixing the contact breaker.
Disconnect the primary leads from the contact breaker.
Disengage the contact breaker, then disconnect the earth lead.
Take out the contact breaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 mm spanner
Refitting.
14 Remove the contact breaker cover.
a) Offer up the contact breaker, connect the earth lead.
b) Lower the contact breaker into the housing, turning the shaft in order to make sure that the dog on the contact
breaker engages correctly in the dog of the driving shaft.
c) Put the screw fixing the contact breaker in position. Do not tighten.
15 To set the firing point
a) Release the pressure in the clutch cylinder by operating the auxiliary clutch control.
b) Introduce a 6 mm diameter rod in the hole provided in the bellhousing, left side. (This hole is partly obscured
by the dynamo). Turn the engine slowly in the running direction, up to the point where the rod enters the
recess in the flywheel. The engine is now set at the firing point.
IMPORTANT - Remove the rod from the flywheel.
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