(3)
Make sure the spoiler play is not more than 0.20 inch.
WARNING: KEEP PERSONS AND EQUIPMENT AWAY FROM ALL CONTROL SURFACES AND THE LANDING GEAR WHEN HYDRAULIC POWER IS SUPPLIED. THE AILERONS, ELEVATORS, RUDDER, FLAPS, SLATS, SPOILERS, STABILIZER, LANDING GEAR AND THRUST REVERSERS CAN MOVE QUICKLY WHEN SUPPLIED WITH POWER BY THE HYDRAULIC SYSTEMS. INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR WHEN HYDRAULIC POWER IS SUPPLIED.
G. Pressurize Hydraulic System A (Ref 27-51-0, MP).
H. Put the flap control lever to the FLAPS UP detent to retract the trailing edge flaps.
8. Restore Airplane to Normal
A. Depressurize Hydraulic Systems:
(1)
Aileron and aileron trim control systems A and B (Ref 27-11-0, MP).
(2)
Elevator and tab control systems A and B (Ref 27-31-0, MP).
(3)
Trailing edge flaps, Hydraulic System A (Ref 27-51-0, MP).
(4)
Rudder and rudder trim control systems A and B (Ref 27-21-0, MP).
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FLIGHT CONTROL SURFACE RIGGING TOOLS - MAINTENANCE PRACTICES
1. General
A. This subject contains information to use flight control surface rigging tools. These tools are used to locate surface neutral position. Specific adjustment procedures are contained in each flight control surface adjustment procedure.
2. Aileron Tab Alignment Protractor - F80222-1 (Fig. 201)
A. General
(1) This tool is a hand-held rigging protractor to locate aileron tab neutral position relative to the aileron. The tool can also be used to check tab deflection.
B. Alignment Protractor Use for Rigging
(1)
Check that aileron is aligned with index mark on wing within 0.03 inch.
(2)
Position protractor to underside of aileron 0.5 inch in from inboard end of tab.
(3)
Slide protractor forward until scale just touches tab trailing edge.
(4)
Repeat steps (1) thru (3) at tab midpoint and 3.75 ± 0.25 inch in from outboard end of tab.
C. Alignment Protractor Use for Tab Deflection Check
(1)
Check that aileron is aligned with index mark on wing within 0.03 inch.
(2)
Position protractor at any point along tab. Slide protractor forward until scale just touches tab.
(3)
Adjust scale to align index mark with tab trailing edge.
(4)
Operate aileron while holding protractor in place.
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Aileron Tab Alignment Protractor 500
27-09-700 Figure 201 Sep 20/82
Page 202
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
3. Elevator Index Plate Rigging Beam - F80230-1 (Fig. 202)
A. General
(1)
This tool is only used to install or adjust elevator index plates whenever the tail cone is replaced with a new or different tail cone.
(2)
Tool location paint stripes on the stabilizer will aid in the use of this tool. If paint stripes do not exist, they can be located and applied per Fig. 202.
B. Rigging Beam Usage
(1)
Use the rigging beam to install or adjust the elevator index plates.
(2)
Use a trammel bar or a scale to set the horizontal stabilizer at the "B" dimension of 41.57 ± 0.01 inches (Ref 27-41-0/501).
(3)
Hold the rigging beam on the bottom side of the stabilizer.
(4)
Set the index slot, located on the front of the rigging beam, to 6.80 inches inboard of the aligned point Q on the stabilizer.
NOTE: At this position, the index slot of the rigging beam will align with the mark on the stabilizer.
(5)
Move the rigging beam forward or aft until the scale of the rigging beam touches the aft edge of the elevator trailing edge.
(6)
Make sure that the scale on the rigging beam is 2.25 inches inboard of the inboard end of the elevator tab.
(7)
Align the elevator trailing edge with the index mark on the rigging beam.
(8)
Hold the elevator at this position.
4. Trailing Edge Flap Rigging Beam Set - F80209-1 (Fig. 203)
A. General
(1)
This tool consists of two separate hand-held tools: inboard flaps rigging beam and outboard flaps rigging beam.
(2)
Tool location paint stripes on airplane are necessary to use rigging beams. If paint stripes do not exist, locate and apply stripes per Fig. 203.
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