(l)
Apply the corrosion inhibition material to the gland nut threads.
CAUTION: DO NOT TIGHTEN THE GLAND NUT MORE THAN THE TORQUE LIMIT TO
_______ ALIGN THE SLOTS. TOO MUCH TORQUE DOES NOT MAKE A BETTER SEAL AND CAN CAUSE DAMAGE TO PARTS.
(m)
Use the wrench adapter to install the gland nut (9) and tighten 2100 to 2400 pound-inches.
(n)
Align the nearest lock tab slots.
(o)
Make sure that the dimension A minus 7.924 (Fig. 802) is equal to the dimension B | 0.030 inches. 1) If the dimension B is less than the limit, disassemble the
shock strut. 2) Examine for the twisted seals or the clearance between the parts.
(p)
After you assemble and tighten the parts correctly, install the lockplate (7).
H.
Put the airplane back to its usual condition.
S 118-028
(1) Rub the open part of the inner cylinder with hydraulic fluid specified on the shock strut nameplate.
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A
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MAINTENANCE MANUAL
S 588-029
(2)
Put the weight of the airplane back on the landing gear (AMM 07-11-01/201).
S 618-030
(3)
Do the servicing of the shock strut for the body landing gear (AMM 12-15-04/301).
S 938-108
(4)
Put a tab label on the shock strut.
(a)
The label shows "ONE SET SPARE SEALS USED" if there is one set of spare seals in the shock strut.
S 938-032
(5)
Put a tab label on the shock strut.
(a)
The label shows "TWO SETS OF SPARE SEALS USED" if there are no more spare seals in the shock strut.
S 098-095
WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO REMOVE THE
_______ DOOR LOCKS FROM THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT REMOVE THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(6)
Do this task: "Removal of the Door Locks from the Wing Landing Gear" (AMM 32-00-30/201).
S 098-096
(7)
Do this task: "Removal of the Door Locks from the Body Landing Gear" (AMM 32-00-30/201).
TASK 32-13-02-368-115
3. Inner Cylinder Seals and Spare Seals Replacement (Fig. 804)
_______________________________________________________
A. Special Tools and Equipment
(1)
MIT65B01201 Lower Gland Nut Wrench Adapter
(2)
G32011-1 - Oversize Gland Nut Wrench Adapter (Airplanes with oversize gland nut)
(3)
7MIT65B01211-1 Lower Gland Seal Split Guide
(4)
21MIT65B01211-1 Gland Seating Tool - BG, WG, NG
(5)
2MIT65B01201 Lower Bearing Seal Retainer Puller
(6)
3MIT65B01201-1 Wing Gear Pivot Pin Nut Spanner Wrench
B.
Standard Tools and Equipment
(1)
Plastic tool for cutting seal ring - commercially available
(2)
Drip tray with 15-gallon minimum capacity - commercially available
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747-400
MAINTENANCE MANUAL
BRAKE
ROD
INNER CYLINDER YOKE
TANG WASHER
NUT
LUBE RETAINER
BRAKE ROD BOLT
LOCKBOLT
BRAKE ROD
SEE B
O-RINGS ASEE
INNER CYLINDER YOKE
SPLINED
A WASHER
NUT
LUBE INSERT
PIVOT
LOCKBOLT
O-RINGS
PIVOT BOLT HEAD
TRUCK
BEAM
INBD
B
Truck Beam Details for the Body Landing Gear
Figure 804
