ELECTRONIC TEST CHAMBER ASSEMBLY, MODEL 453
OPERATION UNDER USUAL CONDITIONS
The test chamber requires bench space approximately 36 inches wide by 30 inches deep with
110 VAC, 50/60 Hz power source within six feet of the unit.
The test chamber shall be contained in a building that meets storage requirements outlined in
TM 10-1670-201-23, T.O. 13C-1-41, or NAVAIR 13-1-17, at an altitude between 0 (feet) and
30,000 (feet) above MSL. Temperature shall be between +41F (+5C) and +122 F (+50C).
ASSEMBLY AND PREPARATION FOR USE
The test chamber carrying case is used for movement and storage of the test chamber. No
external packaging is required.
The test chamber and carrying case weight is 60 lbs. The test chamber weighs
42 lbs. Use two persons or lifting device when moving or lifting to prevent injury
Open test chamber carrying case cover. Lift and remove test chamber from carrying case (WP
0003 00). Place test chamber on work bench.
Check for loose or missing hardware or decals. Assure that all adjustable knobs and switches
are present and operating without binding. Check for broken or damaged displays. Check for
damage to altitude chamber, lid and gasket. Retain carrying case for future storage or movement
INITIAL ADJUSTMENT BEFORE USE
Do not transport or store AR2 without piston rod cap or power cable attached.
External forces or impacts applied to the piston rod may cause unit to
malfunction. Any AR2 subjected to external forces or impact must be tested and,
if necessary, removed from service.
Do not operate test chamber while in the carrying case. Components will
overheat and may become damaged.
To obtain correct rate-of-fall data, always install an AR2 in the altitude chamber