(a)
Remove the cotter pin (47) from the castle nut (46).
(b)
Remove the castle nut (46), the washers (43), the bush (45) and the bolt (42) from the fork end of the lever assy (51).
(c)
Remove the eye end of the spring unit (44) from the fork end of the lever assy (51).
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(3) Disconnect the spring unit (44) from the bellcrank lever (33) as follows:
NOTE : Do not remove the linkage (13) from the bellcrank lever (33)
____
at this step.
(a)
Remove and discard the cotter pin (36) from the castle nut (35).
(b)
Remove the castle nut (35), the washers (30) and the bolt (29) from the cargo door frame.
(c)
Move the spring unit (44) outboard until the fork end of the bellcrank lever (33) is free from the cargo door frame.
(d)
Remove and discard the cotter pin (41) from the castle nut (40).
(e)
Remove the castle nut (40), the washers (38), the bush (39) and the bolt (37) from the bellcrank lever (33).
(f)
Remove the eye end of the spring unit (44) from the fork end of the bellcrank lever (33).
Subtask 52-31-21-020-063
D. Removal of the Travel Limiter of the Locking Mechanism
NOTE : The travel limiter is only at STA1137/FR27A (STA2590/FR55A).
____
(1)
Remove the serrated plate (53) which safeties the eccentric bolt (57) in its position) as follows:
(a)
Remove and discard the cotter pin (56) from the castle nut (55).
(b)
Remove the castle nut (55) and the washer (54) from the special bolt (52).
(c)
Disengage the serrated plate (53) from the special bolt (52) and the eccentric bolt (57).
(2)
Remove the eccentric bolt (57) from the cargo door frame as follows:
(a)
Remove and discard the cotter pin (48) from the castle nut (49).
(b)
Remove the castle nut (49), the washer (50) and the eccentric bolt (57) from the cargo door frame.
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TASK 52-31-21-400-007
Installation of the Locking Unit
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific access platform 3.5 m (11 ft. 6 in.)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 04-004 USA MIL-PRF-23827 TYPE I SYNTH.ESTER BASED GREASE HIGH PRESSURE (Ref. 20-31-00)
Material No. 04-017 USA A-A-59173 SILICONE GREASE (Ref. 20-31-00)
Material No. 15-005 AIB TN 10138 TYPE I GRADE 2 CORROSION PREVENTIVE TEMPORARY PROTECTIVE COMPOUND (Ref. 20-31-00)
Material No. 15-006 AIB TN 10138 TYPE I GRADE 3 CORROSION PREVENTIVE TEMPORARY PROTECTIVE COMPOUND (Ref. 20-31-00)
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C. Expendable Parts -------------------------------------------------------------------------------
FIG.ITEM --------- |DESIGNATION ---------------------------------------- |IPC-CSN------------------------------
7 cotter pin 52-31-21 16 -230
10 cotter pin 52-31-21 17 -010
19 cotter pin 52-31-21 17 -010
20 cotter pin 52-31-21 16 -050
28 cotter pin 52-31-21 16 -010
36 cotter pin 52-31-21 16 -130
41 cotter pin 52-31-21 17 -010
47 cotter pin 52-31-21 16 -010
48 cotter pin 52-31-21 16 -010
56 cotter pin 52-31-21 16 -050
D. Referenced Information
------------------REFERENCE -------------------------------DESIGNATION ------------------------------
-------------------------------------------------------------------------------
12-22-52-640-002 Lubrication of the FWD and AFT Cargo-Compartment Doors
52-30-00-860-001 Open the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump
52-30-00-860-002 Close the FWD or AFT Cargo-Compartment Door with the
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