GRUMMAN AMERICAN
FOR TRAINING USE ONLY – SECTION 4
MODEL GA-7/COUGAR
NORMAL PROCEDURES
4-10
Issued: April 10, 1978
11)
Engine Instrument – CHECKED.
12)
Gyro Pressure Gauge – CHECKED.
13)
Using the same procedure, start other engine.
EXTERNAL POWER
1)
Master Switch – OFF.
2)
External Power – SET FOR 12 VOLTS, CONNECTED.
3)
Master Switch – ON.
4)
External Lights – AS REQUIRED.
5)
Auxiliary Fuel Pumps – ON, Check Fuel Pressure, then OFF.
6)
Propellers – “CLEAR”.
7)
Left Engine Magneto – Left ON, Right ON After Start.
8)
Left Engine Starter Button – PRESS.
NOTE
In the event of a balked start or over primed condition, place the mixture
control in idle cutoff and open the throttle. Operate the starter to remove
excess fuel. As engine starts, reduce the throttle to idle RPM and place the
mixture control in full rich.
9)
Throttle – 800 to 1200 RPM for warm-up.
10)
Oil Pressure – 25 PSI within 30 seconds.
11)
Left Alternator Switch – ON.
12)
Left Ammeter – CHECKED.
13)
Engine Instrument – CHECKED.
14)
Gyro Pressure Gauge – CHECKED.
15)
Left Alternator Switch – OFF.
16)
Master Switch – OFF.
17)
External Power – OFF AND DISCONNECTED.
18)
Master Switch – ON.
19)
Left Alternator Switch – ON.
CAUTION
IF THE LEFT ALTERNATOR IS OPERATING PROPERLY AND THE RIGHT ENGINE WILL
NOT START USING AIRPLANE POWER, REMOVE THE BATTERY FROM THE
AIRPLANE AND SERVICE OR REPLACE BEFORE FURTHER FLIGHT.
Using the AIRPLANE POWER procedure above, start the right engine.
NOTE
Starting one engine with airplane power will ensure that the battery system is
charged and operating. If it is necessary due to extreme cold conditions, use
EXTERNAL POWER procedure to start both engines. Allow sufficient time for
warm-up, then shut down right engine only. Restart right engine using
AIRPLANE POWER procedure.