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757 MAINTENANCE MANUAL
A
A
B
SIDE STRUT UPPER SIDE
BA
STRUT
1. BUSHING/PIN
LOWER SIDE
A STRUT
1. BUSHING/PIN
SWIVEL SIDE STRUT
INBD
A-A
DOWNLOCK
ASSEMBLY
UPPER SIDE
1. BUSHING/PIN STRUT
SPRING
RETAINER
LOWER SIDE STRUT
UPPER SIDE
1. BUSHING/PIN STRUT
DOWNLOCK
ASSEMBLY
B-B
Main Landing Gear Upper and Lower Side Struts Wear Limits Figure 601 (Sheet 1)
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757
MAINTENANCE MANUAL
NO. INDEX PART NAME DIM. DESIGN LIMITS WEAR LIMITS WORN PART REPLACE PART WORN REPAIR INSTR REPAIR
DIAMETER PER-MITTED WEAR DIM. MAX ANCE CLEAR-DIAM
MIN MAX
1 BUSHING ID 2.1250 2.1260 2.1299 0.0059 X
PIN OD 2.1230 2.1240 2.1201 X 1
THE PART IS REPAIRABLE; REFER TO THE COMPONENT
MAINTENANCE MANUAL FOR THE REPAIR INSTRUCTIONS.
Main Landing Gear Upper and Lower Side Struts Wear Limits
Figure 601 (Sheet 2)
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757 MAINTENANCE MANUAL
MAIN GEAR SIDE STRUT SWIVELS - REMOVAL/INSTALLATION
___________________________________________________
1. General
_______
A. This procedure contains four tasks. The first task removes the upper side strut swivel for the main landing gear. The second task installs it. The third task removes the lower side strut swivel for the main landing gear. The fourth task installs it.
TASK 32-11-07-004-001
2. Remove the Upper Side Strut Swivel of the Main Landing Gear (Fig. 401)
___________________________________________________________
A. Equipment
(1)
Thread Protector Set, MLG - B32011-14
(2)
Crowfoot Wrenches - F70312-37, -38
B.
References
(1)
AMM 07-11-01/201, Jacking Airplane
(2)
AMM 29-11-00/201, Pressurize/Depressurize Main Hydraulic System
(3)
AMM 32-00-15/201, Landing Gear Door Locks
(4)
AMM 32-00-20/201, Landing Gear Downlocks
C.
Access
(1)
Location Zones
731/741 Main Landing Gear (MLG)
732/742 MLG Body Doors
733/743 MLG Oleo Doors
D.
Prepare for the Removal of the Upper Side Strut Swivel.
S 494-002
(1) Make sure the downlocks are installed on the nose and main landing gear (AMM 32-00-20/201).
S 494-038
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 (AMM 29-11-00/201).
S 584-005
(4)
Lift the airplane (AMM 07-11-01/201).
E.
Remove the Upper Side Strut Swivel.
(1)
Hold the side strut and the downlock assembly to prevent movement.
