ACCEL DECEL
%N1 %N2 (UNITS) VIBRATION READING %N1 %N2 (UNITS) VIBRATION READING
VIBRATION PEAK VIBRATION READING (UNITS) READING (UNITS) MEAN VIBRATION SOURCE
%N1 %N2 SEC SEC 30 SEC 60 SEC SEC 90 SEC SEC 120 SEC FAN LPT HPT HPC
TEST NO. 8 - ACCEL/DECEL CHECK
POS ENG OAT BARO TARGET VALUES (%N1) ACCEL TIME (SEC)
STATIC T.O. ACCEL CHECK TARGET TO 40% N1 LOW IDLE TARGET ACCEL CHECK 40% N1 TO TARGET ACCEL CHECK HIGH IDEL TO
1
2
REMARKS; DISCREPANCIES
Engine Data and Record Sheet
Figure 501 (Sheet 2)
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71-00-00
ALL ú ú C01 Page 511 ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
TEST NO. 12 ENGINE RUN DIAGNOSTIC CHECKS
NO. 1
ENGINE MODEL CFM56-
NO. 2
RECORD PLA GAIN ADJUSTMENT
PLA GAIN, VOLTS DC
PMC PLA RVDT DIFFERENTIAL VOLTAGE
Engine Data and Record Sheet
Figure 501 (Sheet 3)
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71-00-00
ALL ú
ú C02 Page 512
ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
K20697
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
TEST NO. 1 - PNEUMATIC LEAK TEST
________________________________
TASK 71-00-00-795-001-C00
2. Test No. 1 - Pneumatic Leak Test________________________________
A. References
(1)
AMM 36-11-05/501, Engine Bleed Air Distribution System
B.
Access
(1)
Location Zones
506 Engine No. 1
606 Engine No. 2
(2)
Access Panels
5737L/5837R Fan Cowl Assy
5746L/5846R Fan Cowl Assy
5738L/5838R Thrust Reverser Cowl Assy
5739L/5839R Thrust Reverser Cowl Assy
C.
Procedure
S 795-028-C00
(1) Do the Pneumatic Ducts Leakage Test (AMM 36-11-05/501).
(a) Examine these pneumatic ducts for a leak:
NOTE:____You cannot have a jet of air at the couplings. You can have a small leakage around the coupling.
1) Starter duct (up to the start valve), 2) 5th- and 9th-stage ducts (up to the bleed air check valve and the high stage valve), 3) Anti-ice duct on the inlet cowl (up to the TAI valve).
S 365-023-C00
(2) If it is necessary, repair the leaks.
(a) Do this test again.
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71-00-00
ALL ú ú C02 Page 513 ú Nov 12/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
TEST NO. 2 - ENGINE MOTORING
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