Supplement POH
Cessna 172 R&S
(FAA-Version)
Page 8-3
Issue 3
Revision 1, Mar. 2022
FUEL
Both engine variants can be operated with kerosene (JET A-1,
Jet A, Fuel No.3, TS-1 [TAE 125-02-99 only]) or Diesel fuel. Due
to the higher specific density of turbine engine fuel or Diesel in
comparison to aviation gasoline (AVGAS) the permissible
capacity for standard tanks was reduced as mentioned in
Section 1.
Appropriate placards are attached near the fuel filler
connections. For temperature limitations refer to Section 2
"Limitations" and Section 4 "Normal Operation".
It is recommended to refuel before each flight and to enter the
type of fuel into the log-book.
COOLANT
To cool the engine a liquid cooling system was installed with a
water/approved radiator protection mixture at a ratio of 1:1.
A heat exchanger for cabin heating is part of the cooling system.
Check the cooling system for sealing after the first 5 hours of
operation (visual inspection).
The coolant has to be changed in accordance with the
Operations and Maintenance Manual. See OM-02-01 for the
TAE 125-01 engine or OM-02-02 for the TAE 125-02-99 engine.
The Supplement of the Aircraft Maintenance Manual has to be
considered as well. See AMM-20-01 for the TAE 125-01 engine
or AMM-20-02 for theTAE 125-02-99 engine.
WARNING: It is not allowed to start the engine with low
coolant level.
CAUTION: Between scheduled maintenance topping-
up coolant should not be necessary. If low
coolant level is detected, inform your
service centre immediately.
Note: The freezing point of the coolant is -36°C
(-32.8°F)
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