TM 55-1510-220-10
1.
APR-39 ANTENNA
13.
OUTBOARD WING FUEL SUMP DRAIN
2.
UHF/VHF COMM DIPOLE ANTENNA
14.
VHF INTERCEPT DIPOLE ANTENNA
3.
GRAVITY LINE DRAIN
15.
ENGINE OIL VENT
4.
DC EXTERNAL POWER RECEPTACLE
16.
UHF DF MONOPOLE ANTENNA
5.
STANDBY FUEL BOOST PUMP DRAIN
17.
ANTENNA DEICE SYSTEM BOOT
6.
BLEED AIR HEAT EXCHANGER AIR INTAKE
18.
HOLD DOWN EJECTOR TUBE
7.
BATTERY RAM AIR VENT
19.
STROBE BEACON
8.
APR-39 BLADE ANTENNA
VHF DF LOOP ANTENNA
9.
HYDRAULIC RESERVOIR DRAIN
20.
OXYGEN REGULATOR VENT
10.
MARKER BEACON ANTENNA
21.
TAIL NAVIGATION LIGHT
11.
AC EXTERNAL POWER RECEPTACLE
22.
TAILCONE ACCESS DOOR
12.
STALL WARNING VANE
23.
AIR DATA PROBE
Figure 2-1. General Exterior Arrangement (Sheet 5 of 6)
i.
Landing Gear Alternate Extension Handle.
Manual landing gear extension is provided through a
manually powered system as a backup to the electrically
operated system. Before manually extending the gear,
make certain that the landing gear switch is in the down
position with the LANDING GEAR RELAY circuit
breaker pulled. Pulling up on the alternate engage
handle, located on the floor, and turning it clockwise will
lock it in that position. When the alternate engage
handle is pulled, the motor is electrically disconnected
from the system and the alternate drive system is locked
to the gearbox and motor. When the alternate drive is
locked in,
Change 2 2-6
