S 864-075
(15)
Remove hydraulic power, if it is no longer required (AMM 29-11-00/201).
S 864-049
(16)
Remove electrical power, if it is no longer required (AMM 24-22-00/201).
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A
747-400 MAINTENANCE MANUAL
S 864-076
(17) Lower the airplane and remove the jacks (AMM 07-11-01/201).
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A
747-400 MAINTENANCE MANUAL
BODY LANDING GEAR - INSPECTION/CHECK
____________________________________
1. General_______
A. This procedure contains a task to measure the fit of the inboard and outboard trunnion bearings on the body landing gear.
B. To do this procedure you must remove the body landing gear.
TASK 32-13-01-206-001
2. Body Landing Gear Inspection (Fig. 601)____________________________
A. References
(1)
20-11-01/401, Bearings and Bushings
(2)
32-13-01/401, Body Landing Gear
(3)
IPC 32-13-01
B.
Access
(1)
Location Zone
755 Body Landing Gear, LH
765 Body Landing Gear, RH
C.
Procedure
S 026-002
(1)
Do this task: "Body Landing Gear Removal" (Ref 32-13-01/401).
S 216-006
(2)
Do an external inspection of the components for the body landing gear.
(a)
Examine the shock strut, the drag strut, the side brace, and the wheel truck for corrosion and damage.
(b)
Examine all of the pin connections on the body landing gear for corrosion and damage.
S 226-003
(3)
Examine the fits of the inboard and outboard trunnion bearings.
(a)
Measure the parts at the locations shown in figure 601.
(b)
Compare the measured dimensions to the wear limits in figure
601.
(c)
If a part is not in tolerance, replace the part if you cannot repair it.
(4)
Do this task: "Body Landing Gear Installation" (Ref 32-13-01/401).
S 426-004
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A 747-400 MAINTENANCE MANUAL
JURY STRUT SEE A
SEE B
STRUT SHOCK
DRAG STRUT SIDE BRACE SUPPORT TRUNNION INBOARD
TRUCK WHEEL HALF BUSHING UPPER
FWD A TRUNNION
SEALANT BUSHING CAP BEARING TRUNNION TRUNNION BUSHING/3. B BUSHING LOWER BUSHING HALF KEY A
BEARING CAP CAP BEARING
4. TRUNNION/BUSHING
A-A A
Wear Limits for the Body Landing Gear Figure 601 (Sheet 1)
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A
747-400
MAINTENANCE MANUAL
OUTBOARD
TRUNNION SUPPORT
B
OUTBOARD TRUNNION
BEARING
B
TRUNNION
TRUNNION BEARING RETAINER
BEARING KEY
SEAL
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本文鏈接地址：747-400 AMM 飛機維護手冊 起落架 LANDING GEAR 2(131)
