CFM56-7B ENGINE TEST TRAINING MANUAL 发动机测试培训手册(14)

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Figure 1305. The engine oil consumption obtained by calculation with oil level indications must be considered for information only, as the tolerance of the indicator can be equal to the oil consumption limit.
(18) If oil quantity increased, examine fuel/oil heat exchanger and servo fuel heater for fuel in the oil system.
(19)Do an engine shutdown procedure.
Acceptance Test - 72-00-00-13-003
2011-4-9 CFMI PROPRIETARY INFORMATION : Subject to the restrictions on the Page 2 36
Training Material
CFM56-7B Engine Testing
1. Acceleration Time Check and Acceptance Calibration. Continued...
` (20)Find a fan speed modifier (FMN1) based on the takeoff thrust margin of the engine model. Refer to Figure 1319.
(21)Install the FMN1 plug onto the engine. Do an electronic test. Subtask 72-00-00-350-051
(22)Engrave updated information on the nameplate. Refer to Figure 1307. Fill the next available blank line on the nameplate with the applicable engine configuration information. Mark the part to a depth of 0.07-0.10 inch (1,8-2,5 mm). Refer to TASK 70-10-12-350-005 (70-10-12, Vibro-Peen Marking), or equivalent method maintaining legibility and depth.
NOTE: Initial production engine configuration will be the first information listed on the nameplate, until all lines on the nameplate have been filled and the nameplate is replaced. CFMI recommends that the customer, for record keeping
purposes, retain removed nameplates.
(23)Calculate engine performance (thrust, EGT, fuel flow, and N2 at takeoff power only). Calculate on both a modified and unmodified fan speed basis. Refer to Figure 1308.
(a) Alternative Procedure Available. Do the engine test with its own rating plug set at zero fan speed modifier level (N1 Trim Level).
(a). A. Alternative Procedure. If the EEC is configured with P/N 1853M78P16 or higher versions of EEC software, do the engine test with a test cell connector installed on the EEC. Enter the aircraft application as 737-800 model in the test
cell input to the EEC. The applicable test cell connector P/N are as follows:
NOTE: If the engine test is done with the test cell connector, it can be done at many different ratings.
Engine Configuration Test Cell Connector P/N
SAC Engines with Burner Staging Valves (BSV) test cell connector 856A2807G46
SAC Engines without BSV test cell connector 856A2807G45
DAC Engines test cell connector 856A2807G44
Acceptance Test - 72-00-00-13-003

　
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