(d)
Install the AVM box in the ARINC case support assembly.
(e)
With the strap (856A2636P10), keep the case support assembly for the ARINC in the correct position.
(f)
Install the SCU (signal condition unit) adapter case (856A2636P06) in the back of the connecting monitoring SCU case (856A2636P03).
(g)
Attach the assembled connecting monitoring SCU case to the AVM rack.
(h)
Connect the SCU case to the ARINC case adapter with the connecting cable (856A2636P09).
(i)
Connect the SCU case "analyzer connector" to the analyzer with the connecting cable (856A2636P08) as follows: 1) Put the connecting cable through the E/E bay access door. 2) Use tape, at locations that are apart 4-6 inches
(100-150 mm), to attach the connecting cable to the surface
as follows:
a) Attach it along the fuselage at the 6 o'clock position.
b) Put it up above the wing to the emergency hatch.
c) Put it through the emergency hatch to the analyzer.
(j)
Set the SCU to the right or left engine.
(k)
Connect the power cable (856A2636P07) to a 115V/400Hz socket in the cockpit area.
(l)
After you set the power supply to the "ON" position, follow the specific instructions about the operation of the trim balance analyzer (Refer to the manufacturer's instructions).
H. FOR KIT 856A2636G01; Do the trim balance procedure as follows (Refer to the Elecma User Guide Manual for more data).
S 975-007-C00
(1) Do the steps that follow to get the initial data for the trim
balance procedure.
(a) Make a record of the initial balance screws as follows:
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
SEEB SEEA
D546 TO THE
N1 SPEED SENSOR
OIL TANK
A
Trim Balance Kit Equipment and Test Leads Connections (Analyzer Procedure)
Figure 501 (Sheet 1)
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
D3234
PLUG
HORIZONTAL FLANGE
BULKHEAD
TAPE
(EXAMPLE)
NO. 3 LATCH SLOT B
CONNECTOR D3234 -TO THE VIBRATION NO. 1 BEARING SENSOR OF THE
VIBRATION SENSOR TEST LEADS FOR THE
CONNECTOR D3232 -TO THE TRF VIBRATION SENSOR
6 O'CLOCK STRUT
FLEXIBLE SEAL
REVERSER HALF LEFT FAN COWL AND THRUST VIBRATION SENSOR TEST LEADS FOR THE
Trim Balance Kit Equipment and Test Leads Connections (Analyzer Procedure)
Figure 501 (Sheet 2)
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
FROM LOCATIONS TRIM BALANCE ANALYZER
ON SHEET 1 (FOR KIT 856A2633 AND
856A2605G22/G18/G17/G13/G21)
ACCESS DOOR OF
THE OIL TANK
(ON THE FAN
COWL PANEL)
SIGNAL CONDITIONER
(ATTACHED ON THE LOWER
LIP OF THE ACCESS DOOR
OF THE OIL TANK)
TRIM BALANCE ANALYZER
(FOR KIT 856A2605G20/G12)
POWER SUPPLY AND
SELECTION UNIT
(FOR KIT 856A2605G20/G12/G21)
TACH
PICK UP CONNECTOR
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