747-400 MAINTENANCE MANUAL
S 864-030
(4) Restore the airplane weight to the landing gear (AMM 07-11-01/201).
S 094-031
WARNING:_______REFER TO AMM 32-00-30/201 FOR LOCK REMOVAL PROCEDURE. RAPID ACTION OF DOORS MAY INJURE PERSONNEL OR DAMAGE EQUIPMEMT.
(5)
Do this task: "Wing Landing Gear Door Lock Removal" (AMM 32-00-30/201).
S 094-042
(6)
Do this task: " Body Landing Gear Door Lock Removal" (AMM 32-00-30/201).
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747-400 MAINTENANCE MANUAL
BODY GEAR UPPER DRAG STRUT - INSPECTION/CHECK
_____________________________________________
1. General_______
A. The upper drag strut of the body landing gear inspection has the tasks that follow:
(1) Measure the fit of the spindle bolt, the apex bolt, and the downlock actuator spindle.
TASK 32-13-04-206-001
2. Upper Drag Strut Wear Check_______________________________
A. References
(1)
32-13-04/401, Body Gear Upper Drag Strut
(2)
32-13-10/201, Body Gear Lower Jury Strut
(3)
32-33-15/401, Body Gear Downlock Actuator
(4)
IPC 32-13-01 Fig. 1, IPC 32-13-05 Fig. 1, IPC 32-13-10 Fig. 1, IPC 32-33-15 Fig. 1
B.
Access
(1)
Location Zone
755 Body Landing Gear, LH
765 Body Landing Gear, RH
C.
Procedure (Fig. 601)
S 036-002
(1)
Remove the downlock actuator (Ref 32-33-15/401).
S 026-003
(2)
Remove the upper drag strut of the body landing gear (Ref 32-13-04/401).
S 226-004
(3)
Do a check on the wear limits for the items that follow:
(a)
spindle bolt of the upper drag strut
(b)
apex bolt (Ref 32-13-10/201)
(c)
downlock actuator spindle.
S 216-007
(4)
Measure the parts as it is necessary and compare the measured dimensions to the limit dimensions.
S 216-008
(5)
If the part is not in tolerance, repair or replace as it is necessary.
(6)
Install the upper drag strut (Ref 32-13-04/401).
(7)
Install the downlock actuator (Ref 32-33-15/401).
S 426-005
S 436-006
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747-400
MAINTENANCE MANUAL
UPPER STRUT DRAG
B JURY STRUT
B A
A
DOWNLOCK ACTUATOR LOWER DRAG STRUT
1. BUSHING/SPINDLE FWD
2. SPINDLE/PLUG A-A 5. RETAINER BOLT/LUBE 4. BUSHING/BOLT 6. BUSHING/BOLT 4. BUSHING/BOLT
7.
8.
B-B
Body Gear Upper Drag Strut Wear Limits Figure 601 (Sheet 1)
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MAINTENANCE MANUAL
INDEX NO. PART NAME DIM. DESIGN LIMITS WEAR LIMITS REPLACE PART WORN REPAIR WORN PART REPAIR INSTR.
DIAMETER WEAR MITTED PER-DIM. 3 DIAM CLEAR-MAX ANCE
MIN MAX
1 BUSHING ID 1.5020 1.5030 1.5035 0.0065 X 2
SPINDLE OD 1.4980 1.4990 1.4955 X 1
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