Airplane Maintenance Manual
Bristell
B23-915
Chapter 05
supplement
Chapter 05 Page 8
Issue: 09.12.2021
Prescribed works
Made by
Checked by
Check condition and integrity of electrical fuel pumps and
hoses in the fuel pump compartment
Check tightness and condition of fuel pumps for occurrence
of cracks on the pump body (see Chapter 28-20-01
Check
)
Drain fuel tanks and inspect fuel strainer filter in fuel tank by
borescope for dirt and obstructions -
every 5 years only -
.
Clean the fuel tank sumps as necessary
Reinstall the coarse fuel filter.
Check condition and integrity of fuel hose sleeves in the
engine compartment
Replace fine fuel filter, consider cutting old filter and
inspecting components for wear, missing material and/or
contamination. If unusual wear, missing material and/or
contamination is found contact manufacturer.
Engine and Propeller
List of performed operations for the engine according to
engine maintenance system, which is contained in
Maintenance Manual (Line Maintenance) for installed engine.
Inspect and check tightening and securing bolts on the
engine brackets and between the engine suspension frame
and the engine mount.
Check the engine mount for occurrence of cracks, as well as
the engine mount rubber shock absorbers.
Check the engine bed for occurrence of cracks.
Check the exhaust system (and its attachment) for
occurrence of cracks on the exhaust system and on welds
(see Chapter 78
Check
). Remove heat exchanger for full
inspection of the muffler surface.
Check oil and coolant radiators, as well as intercooler, for
attachment, free air passage, damage or chaffing
Check condition and attachment of fuel, oil, coolant and drain
lines as well as electric wiring
Check condition of mechanical controls for throttle, propeller
and alternate air.
Adjust friction on throttle and propeller control if needed.
If
glider towing
system installed:
Tow release system
Verify the function of the tow release system (incl. cockpit
control to release system). Check for full opening of the
tow hook.
Check spring back of lever (after friction adjustment on
throttle and propeller control)
