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SUBTASK 27-31-20-410-002
(5) Close this access panel:
Number Name/Location
311BL Stabilizer Trim Access Door
------------------------- END OF TASK ---------------------------
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
GUN ALL; AIRPLANES WITH ELEVATOR FEEL SHIFT
MODULE
27-31-20
Page 407
Oct 10/2006
D633A101-GUN
BOEING PROPRIETARY - Copyright#Unpublished Work - See title page for details
ELEVATOR FEEL SHIFT MODULE - ADJUSTMENT/TEST
1. General
A. This procedure has this task:
(1) A test of the elevator feel shift module
TASK 27-31-20-740-801
2. Elevator Feel Shift Module - Test
A. General
(1) Make sure that both Stall Management Yaw Damper computers are installed for this test.
NOTE: Stall Management Yaw Damper Computer P/N 285A1010-4 or subsequent is required.
B. References
Reference Title
24-22-00-860-811 Supply Electrical Power (P/B 201)
24-22-00-860-812 Remove Electrical Power (P/B 201)
27-31-00-800-801 Elevator Hydraulic System A and B - Pressurization (P/B 201)
27-31-00-800-802 Remove Pressure from the Elevator Hydraulic Systems A and B
(P/B 201)
C. Location Zones
Zone Area
117 Electrical and Electronics Compartment - Left
118 Electrical and Electronics Compartment - Right
211 Flight Compartment - Left
212 Flight Compartment - Right
D. Access Panels
Number Name/Location
117A Electronic Equipment Access Door
E. Prepare for the Test
SUBTASK 27-31-20-760-006
(1) Do this task: Supply Electrical Power, TASK 24-22-00-860-811.
SUBTASK 27-31-20-760-007
(2) Make sure that these circuit breakers are closed:
F/O Electrical System Panel, P6-2
Row Col Number Name
B 8 C01464 FLIGHT CONTROL ELEV TAB VLV RIGHT
F/O Electrical System Panel, P6-3
Row Col Number Name
D 13 C00311 INDICATOR MASTER DIM BUS 1
E 14 C00316 INDICATOR MASTER DIM SECT 4
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
GUN ALL; AIRPLANES WITH ELEVATOR FEEL SHIFT
MODULE AND A 285A1010-4 OR SUBSEQUENT, STALL
MANAGEMENT YAW DAMPER COMPUTER
27-31-20
Page 501
Jun 10/2007
D633A101-GUN
BOEING PROPRIETARY - Copyright#Unpublished Work - See title page for details
SUBTASK 27-31-20-420-006
WARNING: MAKE SURE PERSONS AND EQUIPMENT ARE CLEAR OF ALL CONTROL SURFACES
WHEN HYDRAULIC POWER IS SUPPLIED. AILERONS, ELEVATORS, RUDDERS,
FLAPS, SLATS, SPOILERS AND STABILIZER ARE FULLY POWERED SURFACES.
INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR WHEN
HYDRAULIC POWER IS SUPPLIED.
(3) Do this task: Elevator Hydraulic System A and B - Pressurization, TASK 27-31-00-800-801.
SUBTASK 27-31-20-410-005
(4) Open this access panel:
Number Name/Location
117A Electronic Equipment Access Door
F. Elevator Feel Shift Module Test
SUBTASK 27-31-20-700-005
(1) Do the following steps to test the Elevator Feel Shift Module (EFSM) with the SMYD 1 energized:
(a) Open this circuit breaker and install safety tag:
F/O Electrical System Panel, P6-1
Row Col Number Name
B 5 C01206 SMYD-2 CMPTR DC
(b) Press the ON/OFF button on the BITE panel on the front of SMYD number 1.
(c) Make sure EXISTING FAULTS? shows on the display.
(d) Press down arrow button until OTHER FUNCTIONS? shows on the display.
(e) Press YES button on the BITE panel on the front of SMYD number 1.
(f) Make sure SYSTEM CONFIG? shows on the display.
(g) Press down arrow button until SET OUTPUTS? shows on the display.
(h) Press YES button on the BITE panel on the front of SMYD number 1.
(i) Make sure SS CMD? shows on the display.
(j) Press YES button on the BITE panel on the front of SMYD number 1.
NOTE: SS ACTIVATE will show on the display and then REMOVE CMD? will show on the
display.
(k) Make sure that the Captain’s control column shakes.
(l) After a minimum of 60 seconds, make sure the FEEL DIFF PRESS light on the P5 forward
overhead panel is not illuminated.
(m) Make sure CMD REMOVED shows on the display after the Captain’s control column stops
shaking.
(n) Press MENU button on the BITE panel on the front of SMYD number 1.
(o) Make sure SS CMD? shows on the display.
(p) Press NO button on the BITE panel on the front of SMYD number 1.
(q) Make sure SS CMD & EFS CMD? shows on the display.
(r) Press YES button on the BITE panel on the front of SMYD number 1.
(s) Make sure SS & EFS ACTIVATE shows on the display before REMOVE CMD shows on the
display.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
GUN ALL; AIRPLANES WITH ELEVATOR FEEL SHIFT
MODULE AND A 285A1010-4 OR SUBSEQUENT, STALL
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737-600-700-800-900 AIRCRAFT MAINTENANCE MANUAL飞机维护手册3(40)
