Figure 7-29.--Sunstrand electrical harness assembly.
Oil pressure switch
APU. (Refer to fig. 7-24.) Our discussions will
basically include the following engine-mounted
Fuel solenoid valves
components:
As we indicated, you have already read about some of
these components. For example, the oil pressure
switch and the fuel solenoid were described in the
Starter assembly
fuel and lubricating oil sections. You have already
Start bypass valve
read about the generator and the start air operation.
Start counter
In the following paragraphs, we will confine our
discussions to the other engine-mounted components
Ignition exciter
of the Sunstrand's electrical system.
Ignition cable
Igniter plug
For the electrically operated components on the
Thermocouples
Sunstrand's GTE power unit to function properly,
electric power at 12 to 30 V dc is required during the
Magnetic pickup
engine start sequence. Keep this requirement in mind
Time totalizing meter (hour meter)
and refer to figures 7-28 and 7-29 as you read about
Electropneumatic air bleed valve
the following components.