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A
747-400
MAINTENANCE MANUAL
SEE A
SEE C
SEE B
5. COTTER PIN 6. WASHER 1. UPLOCK ACTUATOR A SEE D
NUT4. 2. (HEAD END) ACTUATOR COUNTERSUNK WASHER 1. 10. WASHER STRUCTURE 11. COUNTERSUNK WASHER
9. WASHER 12. BOLT
HOOK PIVOT PIN3. COTTER PIN 8.
7. NUT
B FWD 1. (ROD END) ACTUATOR
C
Body Landing Gear Uplock Actuator Installation Figure 401 (Sheet 1)
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D
Body Landing Gear Uplock Actuator Installation
Figure 401 (Sheet 2)
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RUBBER SLEEVE
(1/2 INCH ID X 1/8 INCH THK)
CAUTION:DO NOT USE THIS TOOL IF THE RUBBER SLEEVE IS DAMAGED. EXAMINE THE SLEEVE FOR DAMAGE BEFORE AND AFTER USE. INSTALL A NEW SLEEVE IF IT IS DAMAGED. THE TOOL CAN CAUSE DAMAGE TO THE UPLOCK MECHANISM.
ACTUATING TOOL
LOCK CLOSED LOCK OPEN
Uplock Actuating Tool
Figure 402
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(3)
D00633 Grease - BMS 3-33 (perferred)
(4)
D00013 Grease - MIL-G-23827 (optional)
B.
Parts
~.............................................................................. | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ |401 | 1 | Actuator, Uplock | 32-33-08 | 02 | 111 | | | 2 | Washer, Countersunk | | | 113 | | | 4 | Nut | | | 106 | | | 6 | Washer | | | 90 | | | 7 | Nut | | | 101 | | | 9 | Washer | | | 90 | | | 10 | Washer | | | 85 | | | 11 | Washer, Countersunk | | | 85 | | | 12 | Bolt | | | 81 | | | 13 | Adapter (Fitting) | 32-33-14 | 02 | 30 | | | 14 | Ring (Backup Ring) | | | 25 | | | 15 | Packing (O-Ring) | | | 20 | | | 16 | Packing (O-Ring) | | | 05 | | | 17 | Ring (Backup Ring) | | | 10 | | | 18 | Adapter (Fitting) | | | 15 | 2......…........…...................................…..........….....….........1
C. References
(1)
AMM 09-11-00/201, Towing
(2)
AMM 29-11-00/201, Hydraulic Supply System
(3)
AMM 32-00-30/201, Landing Gear Door Locks
D.
Access
(1)
Location Zone
755 Body Landing Gear, LH
765 Body Landing Gear, RH
E.
Install the Uplock Actuator.
S 434-018
(1)
Install the hydraulic fittings in the uplock actuator (1) (Fig. 401):
(a)
Lubricate the hydraulic fittings (13 and 18), the new O-rings (15 and 16), and the backup rings (14 and 17) with Skydrol Assembly Lube.
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