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FOR SIMULATION USE ONLY
Engine Management - Ground Running
The 2200 engine fitted to the J160/J170 is cooled by air flowing over the
engine and oil cooler. During ground running care must be taken to ensure
that there is adequate airflow and that safe engine temperatures are
maintained. The guidelines presented below will assist in controlling
temperatures.
•
Minimise ground running times – especially in hot weather.
•
Carry out as many checks as possible before starting the engine.
•
Always carry out engine run-up tests with the aircraft pointing into wind.
•
In hot weather, after performing run-up checks, leave the aircraft
pointing into wind and idling at 1200rpm for 30 seconds to aid cooling.
•
If the aircraft is required to wait – such as for runway clearance –
temperatures must be monitored, and if they approach ground
running limits (listed in Section 2 of this flight manual & displayed as
yellow markings on engine gauges) the aircraft must be turned into
wind or shut down to prevent any further temperature increase.
•
Wind must be coming from within approximately 45° of the aircraft
heading to be effective in aiding engine cooling.
•
If there is no wind or low wind the engine must be shut down if ground-
running temperature limits are reached.
Taxiing
Positive control is available to the pilot when taxiing the J160/J170 due to the
direct linkage type nose-wheel steering.
Care should be exercised in strong winds, particularly in quartering tail wind
conditions. As with any high wing configuration aircraft, appropriate elevator
and aileron control positions are essential during taxiing operations
particularly during strong tail wind conditions.
Taxiing over loose gravel or stones should be done at low engine RPM to
minimise propeller damage.