Cirrus Design Section 8
SR22T Handling, Servicing, and Maintenance
P/N 13772-003 8-23
If sampling reveals contamination, the gascolator and tank drains must
be sampled again repeatedly until all contamination is removed. It is
helpful to gently rock the wings and lower the tail slightly to move
contaminates to the drain points for sampling. If after repeated
samplings (three or more), evidence of significant contamination
remains, do not fly the airplane until a mechanic is consulted, the fuel
system is drained and purged, and the source of contamination is
determined and corrected.
If sampling reveals the airplane has been serviced with an improper
fuel grade, do not fly the airplane until the fuel system is drained and
refueled with an approved fuel grade.
To help reduce the occurrence of contaminated fuel coming from the
supplier or fixed based operator, pilots should assure that the fuel
supply has been checked for contamination and that the fuel is
properly filtered. Also, between flights, the fuel tanks should be kept as
full as operational conditions permit to reduce condensation on the
inside of fuel tanks.
Draining Fuel System
The bulk of the fuel may be drained from the wing fuel tanks by the use
of a siphon hose placed in the cell or tank through the filler neck. The
remainder of the fuel may be drained by opening the drain valves. Use
the same precautions as when refueling airplane. Refer to the AMM
for specific procedures.
Battery Service
The aircraft is delivered with a maintenance free, rechargeable,
sealed, lead acid primary battery. Battery #1 is mounted to the forward
right side of the firewall and access is gained by removing the upper
cowl. The battery vent is connected to an acid resistant plastic tube
that vents gases and electrolyte overflow overboard
A capacity check must be performed at initial 24 months or 1200 hours
in service and then every 12 months or 200 hours thereafter. Refer to
the AMM for additional information on Battery #1 Overhaul and
Replacement Schedule and Scheduled Maintenance Checks.
• Note •
For aircraft equipped with conventional lead acid battery
requiring periodic electrolyte level check: Refer to the AMM for
information on Battery Overhaul and Replacement Schedule
and Scheduled Maintenance Checks
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