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DESCRIPTION AND USE OF CONTROLS AND INDICATORS - CONT | Up
TM-10-1670-305-23P Automatic Ripcord Release AR2 Model 451 NSN 1670-01-369-7914 Test Chanber Assembly AR2 Model 452 NSN 1670-01-370-0752 Manual | Next
DESCRIPTION AND USE OF CONTROLS AND INDICATORS - CONT |
TM 10-1670-305-23&P
DESCRIPTION AND USE OF CONTROLS AND INDICATORS
0007 00
TEST CHAMBER ASSEMBLY, MODEL 452
KEY
CONTROL OR INDICATOR
FUNCTION OR USE
1
Altimeter
Indicates altitude inside chamber.
2
Fuse
Protects test chamber from electrical overload.
3
ON/OFF switch
Controls electrical power to the test chamber.
4
Indicator light
Lights when test chamber is powered up.
5
PRESSURE CONTROL
regulator
Controls rate of fall.
6
WARNING decal
Operational warning.
7
RAPID FALL dump switch
Actuates altitude chamber dump solenoid to
quickly reach sea level.
8
CLIMB/FALL/COCK switch
Actuates solenoids to change altitude chamber
conditions.
CLIMB: Opens climb solenoid so that chamber
altitude setting can be made.
FALL: Closes climb solenoid so that controlled air
pressure enters the chamber, causing
gradual decrease in altitude in chamber.
COCK: Opens air solenoid to cock AR2 under
test.
9
Identification decal
Identifies test chamber.
10
Functions decal
Provides information on rate of fall during testing.
11
Control assembly
Contains testing control components.
12
Altitude control regulator
Used to set altitude inside chamber.
13
Pressure gage (PSI)
Indicates relative rate of fall.
14
Altitude chamber switch lever
Operates AR2 JUMP/OFF switch when AR2 is
enclosed in altitude chamber.
15
Altitude chamber lid
Allows access to altitude chamber.
16
Connections schematic decal
Provides identification of electrical connectors
(mounted inside control assembly housing
panel).
17
Cocking support
Aligns AR2 and altitude chamber piston rod.
0007 00-3
Change 1
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