S 844-032
(22)
Push up on the lock link to move it from the locked overcenter position.
S 034-031
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S 014-033
(23) Connect the hydraulic pump to the retract actuator.
NOTE: The pressure line from the pump must be connected to the
____ pressure opening of the actuator. The return line to the pump must be connected to the return opening of the actuator.
S 014-034
WARNING: HOLD THE INNER CYLINDER WITH ROPE BEFORE YOU REMOVE THE INNER
_______ CYLINDER FROM THE OUTER CYLINDER. THE INNER CYLINDER IS HEAVY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
CAUTION: BE CAREFUL NOT TO CAUSE DAMAGE TO THE INNER CYLINDER OR THE
_______ METERING PIN. DAMAGE TO THESE PARTS CAN CAUSE DAMAGE TO THE SEALS.
(24)
To remove the inner cylinder from the outer cylinder, slowly apply pressure to the retract actuator. This will move the nose landing gear forward.
(25)
Remove the inner cylinder.
S 024-035
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TASK 32-21-24-404-036
3. NLG Inner Cylinder Installation (Fig. 402)
_______________________________
A. Equipment
(1)
Axle Jack - automotive type (Commercially
available)
(2)
Lower Bearing Seal Retainer Puller Equipment,
NLG - B32024-82
(3)
Gland Nut Wrench Adapter, NLG - A32045-19
(4)
Drain Equipment - MLG/NLG Shock Strut, A32066-1
(5)
Container
B.
Consumable Materials
(1)
D00062 Grease - MIL-G-4343
(2)
D00633 Grease - BMS 3-33 (Recommended)
(3)
D00013 Grease - MIL-G-23827 (Alternative)
C.
References
(1)
AMM 07-11-02/201, Jacking Airplane Nose
(2)
AMM 12-15-02/301, Nose Gear Shock Strut
(3)
AMM 29-11-00/201, Pressurize/Depressurize Main Hydraulic System
(4)
AMM 32-00-15/201, Landing Gear Door Locks
(5)
AMM 32-00-20/201, Landing Gear Downlocks
(6)
AMM 32-21-09/401, Nose Gear Torsion Links
D.
Access
(1)
Location Zones
711 Nose Landing Gear (NLG)
713/714 NLG Door Forward
715/716 NLG Door Aft
E.
Install the Inner Cylinder
S 864-037
(1)
Put the inner cylinder in position to install in the outer cylinder.
S 844-038
(2)
Move the retainer bearing down the inner cylinder until it is against the lower bearing.
(3)
Install the retainer pin.
S 864-040
(4)
Make sure the pressure is removed from the left hydraulic system and reservoir (AMM 29-11-00/201).
(5)
Disconnect the hydraulic pump from the retract actuator.
S 434-039
S 014-041
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SEE A
A
METERING PIN SHOCK STRUT (REF) (REF)
A
UPPER CENTERING CAM OUTER
CYLINDER
INNERAIR VALVE CYLINDERCAP SEE B
SWIVEL NUT LOWER CENTERING CAM
A
CAP
SEE C
SWIVEL NUT
OIL SEE DCHARGING VALVE
B
A-A
Nose Landing Gear Shock Strut Inner Cylinder - Installation Figure 402 (Sheet 1)
G02780
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GLAND NUT
Nose Landing Gear Shock Strut Inner Cylinder - Installation
Figure 402 (Sheet 2)
32-21-24
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MAINTENANCE MANUAL
CENTERING CAM POSITIONER
Nose Landing Gear Shock Strut Inner Cylinder - Installation Figure 402 (Sheet 3)
G02784
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本文链接地址：757 AMM 飞机维护手册 起落架 CHAPTER 32 - LANDING GEAR 2(12)
