Thermal Switch - Lotus TURBO ESPRIT Service Manual

SECT/ON EMA
Page 2
1
SUB
GROUP H
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Thermal Switch
- - - - - -
1
.
I n order to test correct operation o f the thermal switch, sufficient coolant must
f i n t be drained from the cooling system to permit the removal of the switch from
the rear o f the i n l e t manifold.
2.
Place the switch bulb i n a pan of water, with a battery and bulb connected across
the switch terminals and a thermometer measuring water'temperature. Heat the
water and check make and break temperatures meet specification.
Maximum break on rise
=
70°c
Minimum make on fall = 60°c
APR 1987