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Perkins L4 Workshop Manual page 6

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Page A2
Engine Description-continued
Cold Starting Equipment.
Comprises a hand pump, atomiser, priming tank,
piping, induction heater and starter and heater
switches. The induction heater is not in contact
with the burning gases in the cylinder. It is located
in the inlet venturi and is in use only during
starting under very cold conditions.
Cooling.
The cooling water is pump circulated by a centri-
fugal pump which is mounted on the front end of
the cylinder block.
ft is driven, together with the
dynamo, bya Vee belt from the engine crankshaft.
The internal water passages are arranged to give
a brisk circulation of water around the combustion
chamber and atomiser seating. The fan is mounted
on the forward end of the water pump.
Electric Starting Equipment.
A 12-volt starter is flange mounted on the
flywheel housing.
Air Intake.
A large air cleaner is fitted through which must
pass alI air drawn into the engine. Harmful dust
is th us excluded and the lire of the cylinders corres- .
pondingly prolonged. The air cleaner is connected
to the venturi inlet which houses the butterfly
throttle valve con trol.
Dynamo.
12-Volt ; earth return type complete with control
box and fuse box. It is mounted on the off side
of the cylinder block and is belt driven by a Vee.
belt from the crankshaft.
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