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suspected. If a heated shelter is not available, cautiously use forced heated air to
warm the fuel system.
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3-156 AA 510FM-07
MODEL 510 SECTION III - OPERATING PROCEDURES
NORMAL PROCEDURES
FAA APPROVED
Configuration U.S.
COLD WEATHER OPERATIONS (Continued)
Apply preheat to engines, tailcone, nose compartment, cabin, and cockpit. Engine preheating is best
accomplished by installing the engine covers and directing hot air through the oil filler access door. A
warm battery provides significant benefit and the heater hose can be placed in the tailcone with the
door propped as far closed as possible to minimize heat loss. Similarly, warm air can be used to heat
the nose compartment hydraulics and pneumatics.
ENGINE START PREPARATION
Select aircraft Battery switch to BATT. The Cockpit Lighting DISPLAYS rotary knob should be
adjusted clockwise to the full bright position. With the MFD COLD CAS message posted, Garmin
PFD and MFD LCD displays will initially appear very pale with colors deepening and become more
legible as displays begin to warm. Warming may take as long as 10 minutes depending on cold soak
temperature and duration. The MFD is warmed and operational when individual display elements
such as letters or cursors change without blurring or streaking. Engines may be started when engine
instrument numerical values are legible on the MFD or the PFDs in reversionary mode. Preheating
the cabin will reduce this delay.
The battery supplying the standby instruments is heated by an internal heater that is not powered
until after engine start. If the battery does not successfully pass the preflight test (GREEN light),
repeat that portion of the test once the engines have been running for 10 minutes. See AFTER
ENGINE START. The AMBER light check should successfully complete even with a cold battery but
should also have been observed during shutdown prior to the coldsoak.
Consider using a ground power unit after extended cold soak. Do not attempt a battery start if the
battery voltage is less than the minimum required. If a start is attempted using a ground power unit
and/or preheated battery and the starter will not motor to 8.0 percent N2 minimum, terminate the
starting sequence. Battery voltage below 14 volts after the start button is pressed indicates a
potential for an unsuccessful start.
Fuel tank temperature limits for the type of fuel being used must be observed. Refer to Operating
Limitations, FUEL LIMITATIONS.
Engine starts using ground power or battery should be normal except that some smoke and/or flame
may be present from the tail pipe on initial start and engine oil pressure will be high. Engine oil
pressure over 170 psi is normal during cold starts and is permitted between 170 and 250 psi for 500
seconds (8 minutes, 20 seconds). Oil pressure digits and pointer will be displayed in green for the
first 440 seconds (7 minutes, 20 seconds). If oil pressure is over 170 psi for longer than 440 seconds,
the green will turn amber for 60 seconds and then turn red at 500 seconds (8 minutes, 20 seconds).
NOTE
Engine oil pressure should decrease as oil temperature warms.
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510FM-07 AJ 3-157
SECTION III - OPERATING PROCEDURES MODEL 510
NORMAL PROCEDURES
FAA APPROVED
U.S. Configuration
COLD WEATHER OPERATIONS (Continued)
AFTER ENGINE START
Maximum cockpit heating is obtained with the AIR SOURCE SELECT to L with the left engine
started. This also improves avionics warming for dispatch. Once engine oil temperature is above
10°C, the engine(s) may be run up to the CRU detent to facilitate warming. Caution should be used
to make sure additional thrust does not create unwanted aircraft movement or damage to
surrounding aircraft or structures. Once the cockpit has begun to warm to an acceptable level, the
AIR SOURCE SELECT should be set to BOTH (provided that both engines are started) and the
cockpit fan turned on LOW. It is recommended that the air conditioning be OFF to prevent the vapor
cycle air conditioning system from operating.
NOTE
Engine oil temperature must be above 22°C for 5 minutes prior to takeoff. Once the oil
temperatures reaches 10°C, it is permissible to increase power up to the CRU detent
to decrease the time required to reach 22°C.
Turn avionics power on by setting avionics switch to AVN PWR. The Garmin G1000 system, ADCs,
AHRS, and AFCS systems will self-test and power on. Some electrical systems, avionics computers,
and displays may be slow to warm up. PFD, MFD, and standby instrument LCD displays may require
up to 10 minutes to reach full brightness or become legible. After the avionics systems show signs of
　
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