Ignition System - Thrush Aircraft S2RHG-T65 TURBO THRUSH Maintenance Manual

THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH
ENGINE FUEL SYSTEM
On new aircraft, check the filter after each flight
until there is no evidence of contamination. Check
the filter after the first flight or ground run when
any upstream component is replaced.
At the fuel pump outlet, check the 10-micron filter
for foreign matter and/or distortion. Install new
4.
filter every 100 hours or as service conditions
indicate.
5. Check the drain valve for security and leakage.
When a engine problem is found, refer to the
appropriate section in the Pratt and Whitney
Maintenance Manual.
Check the fuel control unit for security, linkages,
6.
and pneumatic tubes.
Check the fuel control unit bearing for wash-out
7.
which is indicated by blue dye – grease and fuel
mixed – at the FCU vent.
Check the fuel manifold and nozzle assemblies
with a functional test. For improved hot section
durability. It is recommended that the fuel nozzle
8.
assemblies are inspected and functional tested in
accordance with time limits set forth in the engines
appropriate maintenance manual.

IGNITION SYSTEM

Check the ignition exciter for security and
1.
condition.
Check the ignition cable for chafing, wear, and
2.
security.
Check the spark igniters for cleanliness and
3.
erosion. Perform an operation test.
2-20
AIRCRAFT MAINTENANCE MANUAL
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Effective 05/25/05
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