Supplement POH
Cessna 172 R&S
(FAA-Version)
Page 4-23
Issue 3
Revision 1, Jan. 2018
TAXIING
When taxiing, it is important that speed and use of brakes be
held to a minimum and that all controls be utilized (Refer to
Figure 4-2, Taxiing Diagram) to maintain directional control and
balance.
The Alternate Air Door Control should be always pushed for
ground operation to ensure that no unfiltered air is sucked in.
Taxiing over loose gravel or cinders should be done at low
engine speed to avoid abrasion and stone damage to the
propeller tips.
BEFORE TAKE-OFF
WARM UP
To warm up the engine, operate the engine for about 2 minutes
at IDLE (890 RPM)
.
Let the engine run at propeller RPM of max. 1,400 RPM to
ensure normal operation of the TAE 125 until it reaches an
Engine Oil Temperature of 50°C (122°F) (green range) and a
Coolant Temperature of 60°C (140°F) (green range).
MAGNETO CHECK
N/A since this is a Diesel engine.
ALTERNATOR CHECK
Prior to flights where verification of proper alternator and
alternator control unit operation is essential (such as night and
instrument flights), a positive verification can be made by
loading the electrical system momentarily (3 to 5 seconds) with
the landing light or by operating the wing flaps during the engine
runup (20% load). The ammeter will remain within a needle
width of zero if the alternator and alternator control unit are
operating properly.