1811D INSTRUCTION MANUAL
56-101-00164 Rev. F
SECTION 1
Apr / 19 / 13
Page 7 of 38
1811D LEADING PARTICULARS
Figure 4 (continued)
ID ITEM
NAME
DESCRIPTION
FUNCTION
A PRESSURE
PUMP
Hand Operated Piston
Pump
Integral pressure source for all tests
1 PRESSURE
VALVE
Pressure Source
Needle Valve
Used to control pressure source
2 PRESSURE
VENT
Pressure Vent Needle
Valve
Used to release pressure to ambient
atmosphere
3 CROSSBLEED
VALVE
Crossbleed Needle
Valve
Used to control pressure difference
between pitot and static
4 VACUUM
VENT
Vacuum Vent Needle
Valve
Used to release vacuum to ambient
atmosphere
5 VACUUM
VALVE
Vacuum Source
Needle Valve
Used to control vacuum source
H VACUUM
PUMP
Hand Operated Piston
Pump
Integral vacuum source for all tests
J EXTERNAL
PRESSURE
1/8-27 NPT Female
Bulkhead Fitting
Port for external pressure source
G VACUUM
TANK
0-30 In Hg Vacuum
Gauge
Used to monitor vacuum available in
vacuum reservoir tank
E ALTIMETER
--
Monitors pressure altitude at vacuum
static side of Test Set
6
CALIBRATION CARD
(ALTIMETER)
--
Provides altimeter calibration
correction (Only for Analog Indicators)
7
CALIBRATION CARD
(HYSTERESIS)
--
Lists altimeter hysteresis at selected
altitudes (Only for Analog Indicators)
8
CALIBRATION CARD
(AIRSPEED)
--
Provides airspeed calibration
correction (Only for Analog Indicators)
F VACUUM
PORT
1/8-27 NPT Female
Bulkhead Fitting
Port for connection to aircraft Static
System or other vacuum test
application
C PRESSURE
PORT
1/8-27 NPT Female
Bulkhead Fitting
Port for connection to aircraft Pitot
System or other application
D AIRSPEED
INDICATOR
--
Monitors differential pressure in terms
of airspeed between pitot and static
9 DECAL
--
Provides instruction for pretesting
Test Set
B PRESSURE
TANK
0-30 PSI Pressure
Gauge
Monitors pressure available from
pressure reservoir tank
K EXTERNAL
VACUUM
1/8-27 NPT Female
Bulkhead Fitting
Port for external vacuum source