(21)
Adjust the length of the input control rod until you can install the rig pins NS3 and NS5 easily in the holes.
S 434-042
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S 434-044
(22)
Tighten the rod end jamnuts.
S 094-045
(23)
Remove the rig pins NS1, NS2, NS3 and NS5.
S 714-046
(24)
Do the test of the tiller steering system for the correct operation (AMM 32-51-00/501). Adjust the system if it is necessary.
(a)
Examine the metering valve module for leakage.
(b)
Connect the upper torsion link to the lower torsion link at the apex joint (AMM 32-21-09/401).
S 414-047
(25)
Install the summing mechanism cover.
S 864-048
(26)
Remove the pressure from the left hydraulic system if it is not necessary (AMM 29-11-00/201).
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NOSE WHEEL STEERING LOWER PULLEY SUPPORT BRACKET - REMOVAL/INSTALLATION
_______________________________________________________________________
1. General_______
A. The bracket that holds the lower pulley for the nose wheel steering is below panel(s) for the landing and runway turnoff lights, P62/P63. The panels are on the shock strut of the nose landing gear.
B. This procedure contains two tasks. The first task removes the bracket that holds the lower pulley for the nose wheel steering. The second task installs the bracket.
TASK 32-51-13-004-001
2. Remove the Bracket for the Lower Pulley_______________________________________
A. Equipment
(1)
Towing Lever Lockpin - A09003-1
B.
References
(1)
AMM 32-00-05/201, Landing Gear Control Cables
(2)
AMM 32-00-20/201, Landing Gear Downlocks
(3)
AMM 32-51-06/401, Nose Landing Gear Control Drum and Link
(4)
AMM 32-51-08/401, Nose Landing Gear Spring Cartridge
(5)
AMM 33-42-04/401, Nose Gear Landing and Runway Turnoff Lights
C.
Access
(1)
Location Zone
711 Nose Landing Gear (NLG)
D.
Prepare for the Removal
S 494-003
(1)
Make sure the downlocks are installed on the nose and main landing gear (AMM 32-00-20/201).
S 864-004
(2)
Put the towing lever in the TOW position.
S 494-005
(3)
Install the towing lever lockpin.
E.
Procedure to Remove the Bracket
S 034-006
(1)
At the splice location in the fuselage, disconnect the two cables for nose wheel steering that go to the metering valve; move them away from the bracket assembly for the lower pulley (AMM 32-00-05/201).
S 014-007
(2)
Remove the panel(s) for the landing and runway turnoff lights on the nose landing gear, P62/P63 (AMM 33-42-04/401).
S 034-008
(3)
Remove the top end of the spring cartridge for nose wheel steering from the drum and link (AMM 32-51-08/401).
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TOP DRAG STRUT (REF)
LOWER DRAG STRUT (REF)
SEE A TOP PULLEY (REF) STEERING METERING
BRACKET FOR THE P62/P63VALVE LIGHT PANEL(REF) ASSEMBLY
TO LEFT TRUNNION SEAL
A
A
BRACKET FOR THE
STEERING HYDRAULIC TUBEBRACKET
CONTROL FOR THE
CABLES (REF) LOWER PULLEY CHANNEL
SEE B FASTENER
DRUM AND LINK (2 LOCATIONS)(REF)
PULLEY
SPRING (REF)
TO METERING VALVE MODULE CARTRIDGE (REF) WASHER NUT BOLT
(VIEW WITH THE P62/P63 LIGHT PANEL REMOVED) (4 LOCATIONS) (REF) PULLEY
A WASHER B
SLEEVE SHIM
BOLT NUT WASHER
BRACKET FOR THESHIM DRAG STRUT LOWER PULLEY PIN (REF)
A-A
Nose Wheel Steering Lower Pulley Support Bracket Installation
Figure 401
A07315
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S 034-009 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：757 AMM 飞机维护手册 起落架 CHAPTER 32 - LANDING GEAR 3(136)
