AF 121-199; AZ 221-299; AND GN 601-699 AIRPLANES CONFIG 1 WITHOUT PMS 16 Page 101
Sep 25/94
34-15-00
OK
T33591
EFFECTIVITY
CONFIG 1
LH 011-030,051-070,082-099;
799 Page 102
AF 121-199; AZ 221-299; AND
34-15-00
Apr 25/95
GN 601-699 AIRPLANES WITHOUT PMS
OK
Select any mode and press and hold test switch. Check that N1 limit and TAT values match TABLE 101, proper mode appears in indicator face and flags in view while indicator is slewing. Observe display returns to original value and flags retract when test switch released. IF -
NOT OK
OK
TEST TAT N1 LIMIT
__________________________________________(|0.25 % RPM) BY ENGINE RATING
MODE (|0.5`C)
50E50E2 50E 50E2 50E 50E2 FULL FULL RTG I RTG I RTG IIRTG II ____ ____ __________ ______-10%______-10%
RTG RTG -4% -4%
TOD +10`C 110.72 117.50108.76 113.42 106.30 109.43 GA +10`C 109.88 115.84 108.22 112.28 105.85 108.33 CON +10`C 103.27 109.51 102.08 108.35 100.32 106.20 CLB +10`C 103.27 109.51 102.08 108.35 100.32 106.20 CRZ +10`C 101.07 104.52 99.90 104.52 98.15 101.58
TABLE 101
T33605
EFFECTIVITY
LH 011-030,051-070,082-099;
CONFIG 1AF 121-199; AZ 221-299; AND 799 Page 103GN 601-699 AIRPLANES WITHOUT PMS
34-15-00
Apr 25/95
OK
With jumper cable applied between terminal 2 of nacelle anti-ice valve open light and aircraft ground, check that N1 limit reading decreases by an appreciable amount. IF -
NOT OK
OK N1 LIMIT READING DOES NOT DECREASE - Replace computer (AMM 34-15-00/201) and perform specified test.
NOT OK
OK
THE SYSTEM IS OK.
T33612
EFFECTIVITY
LH 011-030,051-070,082-099;
CONFIG 1AF 121-199; AZ 221-299; AND 799 Page 104GN 601-699 AIRPLANES WITHOUT PMS
34-15-00
Apr 25/95
TOTAL AIR TEMPERATURE/ENGINE PRESSURE RATIO LIMIT
_________________________________________________ SYSTEM - TROUBLE SHOOTING
_________________________
1. General
_______
A. The following trouble shooting procedures are based on performance of the system operational test and are presented in tree-type format. The test steps heavy-line box) are connected by shaded arrows to show the OK condition path. When all steps in the OK condition path check out, the system is operable.
B. When a test step does not check out, follow the NOT OK line to the box containing the trouble symptom. Turn to the procedure indicated and continue to follow a single line by analyzing the results of each test step until the required corrective action is determined. Perform the specified corrective action, then repeat the step at which the failure was encountered.
CAUTION: DO NOT USE LOW IMPEDANCE TEST EQUIPMENT FOR TROUBLE SHOOTING
_______
AS DAMAGE TO SYSTEM COMPONENTS WILL RESULT.
2. Prepare for Trouble Shooting
____________________________
A. Provide electrical power. (Refer to 24-22-00, Manual Control -Maintenance Practices.) Apply power.
B. Check that the following circuit breakers on P7 are closed:
TAT/EPRL - COMP
TAT/EPRL - IND
CADC1
CADC1 SYNC EXCIT
C. Check all light bulbs on the front of the computer by pushing lamp check switch. Check that lamps extinguish when test switch is released. Replace computer if qualification is not met.
EFFECTIVITY
AT ALL; MD ALL; VM ALL; CONFIG 2 IB 406-499 09 Page 101 Apr 25/85
34-15-00
Press RATING SELECT I switch on mode selector panel and check that upper portion of switch cap and RTG I indicator on instrument panel comes on. Press RATING SELECT I switch a second time and upper portion of switch cap and RTG I indicator should go out. Repeat for RATING SELECT II switch and RTG II indicator.
With any mode selected and test switch pressed, check that flags appear over TAT and EPRL readouts and retract when indicator stops slewing. IF -
T33636
EFFECTIVITY
CONFIG 2 AT ALL; MD ALL; VM ALL;
799 Page 102IB 406-499
34-15-00
Apr 25/85 EPRL AND TAT VALUES DO NOT MATCH TABLE 101, PROPER MODE DOES NOT APPEAR IN MODE READOUT, FLAGS DO NOT
NOT OK
APPEAR AND RETRACT - Replace computer (34-15-00, MP) and perform specified test.
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