SUPPORT
BRACKET

7. BOLT
11. TORQUE 8. WASHER
TUBE 9. WASHER
COUPLING 10. NUT (2 LOCATIONS)
7.
 BOLT

8.
 WASHER

5. TORQUE 9. WASHER
TUBE  10. NUT (2 LOCATIONS)
1.
 ACTUATOR

2.
 BOLT

3.
 WASHER

4.
 NUT

FORWARD HOOK ACTUATOR
(4 LOCATIONS)
B
Side Cargo Door Hook Actuator
Figure 401 (Sheet 1)

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747-400
MAINTENANCE MANUAL

HOOK-OPEN SWITCH
(ADJUSTMENT)

Side Cargo Door Hook Actuator
Figure 401 (Sheet 2)

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747-400 MAINTENANCE MANUAL
 S 024-006
 (4)  
Put a support on the actuator and remove the bolts (2) that hold the actuator to the support bracket.

 S 024-025

 (5)  
Remove the actuator (1).

 NOTE: On the aft actuator, you must pull the actuator clear of
____ the splines at the end of the torque tube in the support bracket.
 TASK 52-32-11-404-007
 3. Hook Actuator - Installation
____________________________
 A. Special Tools and Equipment
 (1)  G12001-50 Rig Pin Kit
 ~................................................................... |Rigging Pin No. | Length (Inches) | Diameter (Inches) | ..................................................................... |SCD-5 | 3.0 | 0.187-0.190 | 2..................….........................…......................1
 B. Standard Tools and Equipment
 (1)  
Torque Wrench -0-25 pound-inches (with dial indicator)

 (2)  
Suitable tool for restraining door down switches

 C.
Consumable Materials

 (1)  
D00013 Grease - MIL-G-23827

 D.
Parts

 ~.............................................................................. | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 401 | 1 | Hook actuator | 52-32-11 | 01 | 435 | | | 2 | Bolt | | | 420 | | | 3 | Washer | | | 425 | | | 4 | Nut | | | 430 | | | 5 | Torque tube | | | 390 | | | 6 | Clamp | | | 320 | | | 7 | Bolt | | | 325 | | | 8 | Washer | | | 330 | | | 9 | Washer | | | 335 | | | 10 | Nut | | | 340 | | | 11 | Torque tube coupling | | | 355 | 2......…........…...................................…..........…......…........1
 E. References
 (1)  52-32-00/001, Cargo Door
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747-400
MAINTENANCE MANUAL

 (2)  
SSM 52-32-01

 (3)  
WDM 52-32-21

 F.
Access

 (1)  
Location Zone
 261 Main Deck STA 1720 To STA 2040, LH

 (2)  
Access Panels
 836L Door - Main Deck Cargo

 G.
Procedure

 S 834-008
 (1)  Set the hook actuator (1) in the rigged closed position as follows (Fig. 402):
 CAUTION: DO NOT USE MORE THAN 70 POUND-INCHES OF TORQUE WHEN YOU TU
_______ TURN THE HOOK ACTUATOR IN THE CLOCKWISE DIRECTION. IF YOU USE MORE THAN 70 POUND-INCHES OF TORQUE, YOU CAN CAUSE INTERNAL DAMAGE TO THE HOOK ACTUATOR.
 (a)  
Use a torque wrench with a dial indicator to manually turn the actuator in the close direction (clockwise).
　
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