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the right. This applies to both left and right elevator PCUs.
B. References
Reference Title
27-31-00-700-801 Null Procedure - Mach Trim Actuator (P/B 201)
27-31-00-800-801 Elevator Hydraulic System A and B - Pressurization (P/B 201)
27-31-00-840-801 Put the Elevator Hydraulic systems A and B Back to the Condition
Before the Pressurization (P/B 201)
C. Tools/Equipment
NOTE: When more than one tool part number is listed under the same "Reference" number, the
tools shown are alternates to each other within the same airplane series. Tool part numbers
that are replaced or non-procurable are preceded by "Opt:", which stands for Optional.
Reference Description
SPL-1585 Kit - Rigging Pins, All Systems
(Part #: F70207-109, Supplier: 81205, A/P Effectivity: 737-600, -700,
-700C, -700ER, -700QC, -800, -900, -900ER, -BBJ)
SPL-1677 Assembly - Trammel Bar, Stabilizer Trim Actuator
(Part #: F80055-1, Supplier: 81205, A/P Effectivity: 737-100, -200,
-200C, -300, -400, -500, -600, -700, -700C, -700ER, -700QC, -800, -900,
-900ER, -BBJ)
D. Consumable Materials
Reference Description Specification
G01912 Lockwire - Monel (0.032 In. Dia.) NASM20995N~
C32
(QQ-N-281)
E. Location Zones
Zone Area
311 Area Aft of Pressure Bulkhead - Left
312 Area Aft of Pressure Bulkhead - Right
317 Tail Cone Compartment - Left
318 Tail Cone Compartment - Right
F. Access Panels
Number Name/Location
311BL Stabilizer Trim Access Door
318BR Tailcone Access Door
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
GUN ALL 27-31-00
Page 528
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D633A101-GUN
BOEING PROPRIETARY - Copyright#Unpublished Work - See title page for details
G. Prepare for the Adjustment
SUBTASK 27-31-00-860-025
(1) Make sure the adjustment of elevator control pushrods is satisfactory. To adjust them, do this
task: Elevator Control Pushrods - Adjustment, TASK 27-31-00-820-802.
SUBTASK 27-31-00-860-026
(2) Do this task: Null Procedure - Mach Trim Actuator, TASK 27-31-00-700-801.
SUBTASK 27-31-00-010-034
(3) Open this access panel:
Number Name/Location
311BL Stabilizer Trim Access Door
SUBTASK 27-31-00-010-003
(4) Remove this access panel:
Number Name/Location
318BR Tailcone Access Door
SUBTASK 27-31-00-860-028
(5) Use the bar, SPL-1677 to set the "B" dimension at 4 units of trim (39.89 +/- 0.01 inches or 1013.2
+/- 0.3 mm) (Figure 502).
SUBTASK 27-31-00-860-152
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF ALL CONTROL
SURFACES BEFORE YOU SUPPLY HYDRAULIC POWER. AILERONS, RUDDERS,
ELEVATORS, FLAPS, SPOILERS, SLATS, AND THRUST REVERSERS CAN MOVE
QUICKLY WHEN YOU SUPPLY HYDRAULIC POWER. THIS CAN CAUSE INJURY TO
PERSONS AND DAMAGE TO EQUIPMENT.
(6) Pressurize the elevator hydraulic systems A and B. To pressurize them, do this task: Elevator
Hydraulic System A and B - Pressurization, TASK 27-31-00-800-801.
SUBTASK 27-31-00-480-003
(7) Install the rig pin E-5 from the rig pin kit, SPL-1585 to the elevator aft quadrant (Figure 503).
NOTE: Make sure the rig pin E-5 fits freely in the rig pin hole.
H. Input Rods for the Elevator PCU Adjustment
GUN ALL; AIRPLANES WITH INPUT RODS WITH ONLY ONE ADJUSTMENT
SUBTASK 27-31-00-820-018
(1) Adjust the input rods for the elevator PCU (Figure 506):
NOTE: This procedure adjusts both the right and left elevator PCU input rods.
(a) If adjusting the right elevator PCU, do the following:
1) Set the FLT CONTROL A switch to the off position and FLT CONTROL B switch to the on
position.
(b) If adjusting the left elevator PCU, do the following:
1) Set the FLT CONTROL B switch to the off position and FLT CONTROL A switch to the on
position.
(c) Measure the distance from the upper trailing edge surface of the right elevator to the
neutral index mark of the index plate (Figure 505).
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
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GUN ALL; AIRPLANES WITH INPUT RODS WITH ONLY ONE ADJUSTMENT (Continued)
(d) If the distance is greater than 0.06 inch (1.5 mm), do the following adjustment:
1) Remove the nut [55], washer [54], washer [53], and bolt [52] to disconnect the
secondary input rod from the upper attach point (Figure 506).
2) Loosen the checknut [57] on the primary input rod.
3) Rotate the primary input rod tube until the distance from the trailing edge of the
elevator to the index plate is no more than 0.06 inch (1.5 mm) (Figure 505).
　
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