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TROUBLESHOOTING PROCEDURES 0013 00 GENERAL INFORMATION - CONT
TABLE 1.  TROUBLESHOOTING TEST CHAMBER ASSEMBLY, MODEL 452

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
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TM 10-1670-305-23&P TROUBLESHOOTING PROCEDURES 0014 00 INITIAL SETUP INFORMATION Maintenance Level Materials Maintainer Model 452 Test Chamber Assembly or Model 453 Electronic Test Chamber Assembly. TABLE 1.  TROUBLESHOOTING AUTOMATIC RIPCORD RELEASE, MODEL 451 Malfunction Probable Cause Corrective Action 1.  Fails to cock with JUMP/OFF switch in OFF position. Defective mechanism. Replace AR2. 2.  Aneroid leak  check indicator shows incorrect altitude. Defective aneroid. Replace AR2. 3.  JUMP/OFF switch binds or has jerky motion. Defective switch. Replace JUMP/OFF switch. (WP 0020 00) 4.  Actuates at rates of fall below 65 ft/sec or does not actuate above 85 ft/sec. Defective or worn rate-of- fall mechanism. Replace AR2. 5.  Actuates at incorrect altitude ( 300 feet below 10,000 feet MSL; 500 feet at 10,000 feet or above). Defective mechanism or aneroid. Replace AR2. END OF WORK PACKAGE 0014 00-1/2 Blank Change 1







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