757 AMM 飞机维护手册 起落架 CHAPTER 32 - LANDING GEAR 2(81)

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 1.  General
_______
 A.  This procedure only has illustrations and a wear limit table which show the data for wear limits. There are no procedures for access, removal, or installation of the parts. Refer to Nose Gear Retract Actuator -Removal/Installation for procedures to do these tasks.
 TASK 32-34-01-206-001
 2.  Wear Limits for the Retract Actuator on the Nose Landing Gear (Fig. 601)
_____________________________________________________________
 NOTE: Wear limits for the other components that are connected to the Retract
____
 Actuator are not in this procedure. They are included in the
 applicable Maintenance Manual subject for those components.

 A.  General
 (1)  This procedure only has illustrations and a wear limit table which show the data for wear limits. There are no procedures for access, removal, or installation of the parts. Refer to Nose Gear Retract Actuator - Removal/Installation for procedures to do these tasks.
 

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5. BEARING/PIN LANDING GEAR SHOCK STRUT
B-B
Nose Landing Gear Retract Actuator Wear Limits

 

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YOU CAN REPAIR THE PART; REFER TO THE COMPONENT MAINTENANCE MANUAL FOR THE INSTRUCTIONS
THE SUM OF THE MAX DIAM. CLEARANCE MUST NOT EXCEED 0.010.
THE SUM OF THE MAX DIAM. CLEARANCE MUST NOT EXCEED 0.010.

DESIGN LIMITS WEAR LIMITS REPLACE REPAIRDIAMETER PER-MAXINDEX REPAIRPART NAME DIM.
WORNWORNMITTED DIAMNO.
INSTRPARTPARTWEAR CLEAR-MIN MAX DIM. ANCE
BUSHING PIN   ID OD  1.7490 1.7500  1.7475 1.7495  1.7450 1.7530  0.005 2  X X 
BEARING PIN  ID OD  1.7490 1.7500  1.7475 1.7495  1.7450 1.7525  0.0052  X  X 
BEARING HOUSING  ID OD  2.7495 2.7530  2.7500 2.7545  2.7470 2.7565  0.0072  X X
BUSHING PIN  IDOD  1.7490 1.7515  1.7480 1.7500  1.7450 1.7530  0.0053  X  X 
BEARING PIN  ID OD  1.7490 1.7500  1.7480 1.7495  1.7450 1.7525  0.0053  X  X 
BEARING HOUSING  ID OD  2.7495 2.7530  2.7500 2.7545  2.7470 2.7565  0.0073  X X 

1
1
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Nose Landing Gear Retract Actuator Wear Limits
Figure 601 (Sheet 2)

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 NOSE GEAR LOCK ACTUATOR - REMOVAL/INSTALLATION
______________________________________________
 1.  General
_______
 A.  This procedure contains two tasks. The first task is for removal of the lock actuator for the nose landing gear. The second task is for installation of the lock actuator.
 TASK 32-34-02-004-022
 2.  Remove the Lock Actuator for the Nose Landing Gear (Fig. 401)
__________________________________________________
 A.  References
 (1)  
AMM 29-11-00/201, Pressure/Depressurize Main Hydraulic System

 (2)  
AMM 32-00-15/201, Landing Gear Door Locks

 (3)  
AMM 32-00-20/201, Landing Gear Downlocks

 B.  
Access

 (1)  
Location Zones
 115 Nose Landing Gear Wheel Well (Left)
 116 Nose Landing Gear Wheel Well (Right)
 711 Nose Landing Gear

 C.  
Prepare for Removal

 S 494-001
 (1)  Make sure the downlocks are installed on the nose and main landing gear (AMM 32-00-20/201).
 S 494-002
 WARNING: USE THE PROCEDURE IN AMM 32-00-15/201 TO INSTALL THE DOOR
_______ LOCKS. THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (2)  
Open the doors for the landing gear and install the door locks (AMM 32-00-15/201).

 S 864-004

 (3)  
Remove the pressure from the left hydraulic system and hydraulic reservoir (AMM 29-11-00/201).

 

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LOCK LINK
A-A

WHEEL WELL
Nose Landing Gear Lock Actuator Installation
Figure 401
　
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