F: Airframe Fuel System - Thrush Aircraft S2R-R1340 Maintenance Manual

THRUSH AIRCRAFT, INC – MODEL S2R-R1340 THRUSH 600
E: AIR INDUCTION SYSTEM
Inspect the air filter cartridges for dirt & dust
3. accumulation.
clogged, replace the cartridges.
Check the carburetor inlet box for cracks. Check
the operation of the carburetor heat flapper for
4.
free and complete motion, and carburetor heat
control for function and security.
Check the carburetor heat muff around the
5. exhaust manifold for cracks, distortion and
clearance from exhaust pipes.

F: AIRFRAME FUEL SYSTEM

Draw fuel samples from wing tanks, header tank
and firewall fuel filter bowl. Check for any debris,
1.
sediment, or water and take corrective action if
any is found.
2. Inspect, clean and reinstall firewall fuel filter.
On new aircraft, check the firewall fuel
filter after each flight until there is no
evidence of contamination.
filter after the first flight or ground run
when any
replaced.
Check the fuel boost pump for security and
3.
upstream fuel leakage.
Turn the fuel boost pump on and to check
4.
operation and the downstream fuel lines for leaks.
Check boost pump seals by observing overboard
5. drain while pump is running and has the fuel
system pressurized.
Check operation of primer pump momentarily and
6.
look for leaks.
Inspect the
7.
deterioration, twists, kinks and security and for
signs of chafing.
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AIRCRAFT MAINTENANCE MANUAL
(Continued)
If cartridges are significantly
* NOTE *
Check the
upstream component
fuel lines and supports
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is
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for
Effective 01/01/08
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