C. Procedure
S 864-002
(1)
Set the horizontal stabilizer trim in the full up position.
S 864-003
(2)
Set the switch and the circuit breakers:
(a)
Set the APU master switch, on the P5 forward overhead panel, to the OFF position and attach a DO-NOT-OPERATE tag.
(b)
Open these circuit breakers on the P6 Circuit Breaker Panel and attach the DO-NOT-CLOSE tags: 1) STABILIZER TRIM ACTUATOR 2) STABILIZER TRIM CONT 3) AUTO FLT CONT SYS B MACH TRIM AC 4) AUTO FLT CONT SYS B MACH TRIM DC 5) AFDS MCP CRS-2 6) AUTO FLT CONT SYS B SNSR EXC AC 7) AUTO FLT CONT SYS B FCC DC 8) AUTO FLT CONT SYS B ENGAGE INTLK B 9) AUTO FLT CONT SYS B WARN LIGHT BAT
(c)
Open these circuit breakers on the P18 Circuit Breaker Panel and attach the DO-NOT-OPERATE tags: 1) AUTO FLT CONT SYS A MACH TRIM AC
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////////////////////////A / GTCP85-129 SERIES /737-300/400/500/ ENGINES /MAINTENANCE MANUAL ////////////////////////
SEE A
FLIGHT COMPARTMENT
YOKE
STABILIZER
TRIM WHEEL
TRIM WHEEL CONTROL STAND
HANDLE
STABILIZER TRIM LOCK
A
Pneumatic Actuator Installation
Figure 401 (Sheet 1)
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H00234H00239
SEE B
STABILIZER JACKSCREW
ELECTRICAL ACTUATOR STABILIZER TRIM CONNECTOR ELECTRICAL ELECTRICAL CONNECTOR
STABILIZER AUTOPILOT TRIM SERVO
MANUAL TRIM DRIVE CABLE DRUM
B
Pneumatic Actuator Installation Figure 401 (Sheet 2)
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////////////////////////A / GTCP85-129 SERIES /737-300/400/500/ ENGINES /MAINTENANCE MANUAL ////////////////////////
PNEUMATIC
PNEUMATIC PRESSURE
ACTUATOR
LINE COOLING AIR SHUTOFF VALVE
SEE B
COOLING AIR INLET DUCT
UPPER SEE ASHROUD FWD
A
COOLING AIR PNEUMATICCOOLING AIR COOLING SHUTOFF VALVE PRESSURESHUTOFF VALVE PNEUMATIC AIR DUCT
LINE COOLING LINE AIR DUCT PRESSURE
WASHER UPPER
UPPER NUT SHROUD
SHROUD WASHER
BUSHING
RETAINER NUT
SEE C MOUNTING SEE C
BRACKET
MOUNTING BRACKET
B1 B2
COTTER PIN
WASHER
PIN
LINK 1
AIRPLANES WITH THE -5 COOLING AIR SHUTOFF VALVE
C
2
AIRPLANES WITH THE -7 COOLING AIR SHUTOFF VALVE
Pneumatic Actuator Installation Figure 401 (Sheet 3)
E35052
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2) 3) 4) AUTO FLT CONT SYS A MACH TRIM DCAFDS MCP DCAIRPLANES WITH MECHANICAL AILERON FORCE LIMITER; AFDS AIL FORCE LIM
5) 6) 7) 8) 9) AUTO FLT CONT SYS A SNSR EXC ACAUTO FLT CONT SYS A FCC DCAUTO FLT CONT SYS A ENGAGE INTLK AAUTO FLT CONT SYS A WARN LIGHT BATAUTOPILOT STABILIZER TRIM SERVO
S 864-020
(3) Install the stabilizer trim lock assembly on the stabilizer trim wheel.
(a) (b) (c) Turn the trim wheel to put the handle at the top of the wheel.Adjust the height of the trim lock to set the trim wheel handle tightly in the bottom of the yoke.Install the pin through the yoke and install the safety pin.
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