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PBS 4100 Trim Balance Kit, Program, and PC
NA Bellmouth Sling (500 lb capacity)
NA Exhaust Nozzle Lifting Sling (500 lb capacity)
General - 72-00-00-13-000
2011-4-9 CFMI PROPRIETARY INFORMATION : Subject to the restrictions on the Page 2 7
Training Material
CFM56-7B Engine Testing
Test Materials
Fuel:
Jet A is the primary fuel. The engine will operate satisfactorily with a fuel (or mixture of fuels) that agree with one of these specifications:
• ASTM D1655
• Jet A, Jet A1, Jet B
• MIL-T-5624, grades JP4, JP5
• French Specifications AIR 3405C, 3404C, 3407B
• United Kingdom Specification DERD 2454/2486, DERD 2498
Oil:
CFMI recommends the engine oils specified in MIL-L-23699 (Type 2). You can also use any engine oil specified in MIL-L-7808 (Type 1). Do not mix different types or brands of oil. Refer to SB 79-001.
General - 72-00-00-13-000
2011-4-9 CFMI PROPRIETARY INFORMATION : Subject to the restrictions on the Page 2 8
Training Material
CFM56-7B Engine Testing
Item PARAMETER QUANTITY
OPERATION RANGE ACCURACY
1 Core Speed,N2.Use 1.38421 as an
electronic counter time base to
measure N2
1 0-20000 EECRPM
2 Fan Speed,N1 1 0-6000 EECRPM
3 Exhaust Gas Temperature 1 -55 to 1200 EECDEGC
4 HPRotor Temperature 1 -1 to 1 EECUnit
5 Inlet Temperature 3 -23 to 38 ±1 DEGC
6 Oil Pressure 1 0-100 EECPSIG
7 Sump Pressure 1 0-10 ±2 percent PSIG
8 EngineOil Supply Temperature 1 -55 to 170 EECDEGC
9 Fuel-In Pressure 1 0-100 ±2 percent PSIG
10 Scavenge Filter Delta P 1 0-50 ±1 percent PSID
11 Start Air Pressure 1 0-60 ±2 percent PSIG
12 Variable Stator 1 -5 to 45 EECDEG
13 Variable Bleed 1 0-40 EECDEG
14 LPTCPosition 1 1-100 EECpercent
15 HPTCPosition 1 0-100 EECpercent
16 Trans Bleed Position 1 0-100 EECpercent
17 Oil Level 1 0-100 ±1.0 percent unit
18 No. 1 Bearing Vibration (LP) 1 0-10 ±5 percent MILS
19 CCFFVVibration (LP) 1 0-10 ±5 percent MILS
20 No. 1 Bearing Vibration (HP) 1 0-2 ±5 percent IPS
Instrumentation List
2011-4-9 CFMI PROPRIETARY INFORMATION : Subject to the restrictions on the Page 2 9
Training Material
CFM56-7B Engine Testing
Item PARAMETER QUANTITY
OPERATION RANGE ACCURACY
21 CCFFVVibration (HP) 1 0-2 ±5 percent IPS
22 Cowl Temperature 2 0-500 ±5 DEGC
23 Ice Point Reference 1 -1 to 1 ±0.1 DEGC
24 N1 Trimmed 1 0-5000 EECRPM
25 HPTCase Temperature 1 -55 to 850 EECDEGC
26 HPTRing Ratio 1 0-3 EECunit
27 HPCDischarg Pressure 1 2-550 EECPSIA
28 HPCDischarge Temperature 1 -55 to 850 EECDEGC
29 HPCInlet Temperature 1 -55 to 165 EECDEGC
30 T12 Inlet Temperature 1 -55 to 85 EECDEGC
31 FADECInlet Temperature 1 -60 to 99 EECDEGC
　
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