Cessna 402C - Page 69

SECTION 3
EMERGENCY PROCEDURES
(AMPLIFIED PROCEDURES)
LANDING GEAR WILL NOT EXTEND HYDRAULICALLY
1. Airspeed - 130 KIAS or less.
r--------NOTE---------,
As low an airspeed as practical is recommended as a
lower airspeed will decrease the airloads on the
nose gear during extension, thereby insuring the
greatest probability of gear extension.
2. Landing Gear Switch - DOWN.
3. GEAR HYD Circuit Breaker - PULL.
4. Emergency Gear Extension T-Handle - PULL.
5. Gear Down Lights - ON; Unlocked Light - OFF.
6. If Main Gear Does Not Lock Down - YAW AIRPLANE. Airloads will lock
main gear down if up locks have
released.
7.
Gear Warning Horn - CHECK.
8. As Soon As Practical - LAND .
.------lcAuTION!------,
The landing gear cannot be retracted inflight, once
the emergency gear extension T-handle has been
pulled. Ground servicing is required.
LANDING GEAR WILL NOT RETRACT HYDRAULICALLY
1. Landing Gear Switch - DOWN.
2. Gear Down Lights - ON; Unlocked Light - OFF.
3. Gear Warning Horn - CHECK.
4. As Soon as Practical - LAND.
FLIGHT INSTRUMENTS EMERGENCY PROCEDURES
VACUUM PUMP FAILURE (Attitude And Directional Gyros)
1. Failure indicated by left or right red failure button exposed on
vacuum gage.
2.
Automatic valve will select operative source.
3.
Vacuum Pressure - CHECK proper vacuum from operative source.
OBSTRUCTION OR ICING OF STATIC SOURCE
1. Alternate Static Source - OPEN. Alternate static source is for
pilot1s instruments only when dual static
system is installed.
2. Excess Altitude and Airspeed - MAINTAIN to compensate for change in
calibration.
r---------NOTE--------...,
See Figures 5-2 and 5-4 for airspeed and altimeter
corrections with alternate
static source OPEN.