Cessna 402C - Page 82

SECTION 4
NORMAL PROCEDURES
(AMPLIFIED PROCEDURES)
en.im.. 402C
MOO£L
STARTING ENGINES (Left Engine First With External
Power)
1. Battery Switch - ON.
2. Alternator Switches - OFF.
3. External Power Source - ATTACH .
.---------NOTE---------,
For complete external power source operation, refer
to Section 7.
4. Propeller - CLEAR.
5. Magneto Switches - ON.
6. Engine - START.
a. Starter Button - PRESS.
b. Primer Switch - Left Engine - LEFT.
Right Engine - RIGHT .
.---------ICAUTION! ----- .....
_.
I
I
• If the primer is activated for excessive periods of
time with the engine inoperative on the ground or
during flight, damage may be incurred to the engine
and/or airplane due to fuel accumulation in the cy-
linder intake ports. Similar conditions may develop
when the engine is shutdown with the auxiliary fuel
pump ON. .
.Should fuel priming or auxil iary fuel pump operation
periods in excess of 60 seconds occur, the cylinders
must be purged by one of the following procedures:
a. With auxiliary fuel pump OFF, allow manifold to
drain at least 5 minutes or until fuel ceases
to flow out of the drains under the nacelle.
b. If circumstances do not allow natural draining
peri ods recommended above, wi th the auxil iary
fuel pump OFF, magnetos OFF, mixture IDLE CUT-
OFF and throttle FULL OPEN, turn engine with
starter or by hand a minimum of 15 revolutions.
7. Auxiliary Fuel Pump - LOW to purge vapor from fuel system.
8. Throttle - 800 to 1000 RPM.
9. Oil Pressure - 10 PSI minimum in 30 seconds in normal weather, or
60 seconds in cold weather. If no indication ap-
pears, shutdown engine and investigate. ~
10. Right Engine - START. Repeat steps 4 through 9.
11. External Power Source - REMOVE.
12. Alternator Switches - ON.
13. Alternators - CHECK.
/4 V~GVV~ c,~ c)..,,,G!:. j> ..... Suppl~* SevT9
The 1 eft engi ne is nonna11y sta rted fi rst because the cable from the
battery to this engine is much shorter permitting more electrical power to
be delivered to the starter. If battery is low, the left engine should
start more readily.
1 November 1979