3. Job Set-up
__________
Subtask 52-31-32-860-051
A. Aircraft Maintenance Configuration
(1) Make sure that the FWD cargo-compartment door (referred to as cargo door) is opened and safetied with the actuator safety locks (Ref. TASK 52-30-00-860-001).
R (2) Make sure that the access platform is in position below the opened R cargo door.
(3) Make sure that the access panel 825AR is removed from the cargo door.
Subtask 52-31-32-865-051
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
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PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------
122VU DOORS/CARGO 1MJ T12
Subtask 52-31-32-910-050
C. Preparation for Installation
(Ref. Fig. 401/TASK 52-31-32-991-001)
(1)
Make sure that the parts retained from the removed component are clean and in the correct condition.
(2)
Clean the component interface and/or the adjacent area.
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(3)
Do an inspection of the component interface and/or the adjacent area.
(4)
Apply COMMON GREASE (Material No. 04-011) to the roller (7), the adjusting bush (5), the eccentric bush (6), the eccentric bolt (9) and the special bolts (12).
(5)
Apply SEALANTS (Material No. 09-016) to the contact area of the serrated plates (4),(8).
4. Procedure
_________ Subtask 52-31-32-420-050
A. Installation of the Lock Fitting Components
(Ref. Fig. 401/TASK 52-31-32-991-001)
(1)
Put the eccentric bush (6) into the roller (7). NOTE : Make sure that the color marks or the center punches are
____
aligned after the assembly.
(2)
Install the adjusting bush (5) into the door frame fitting (13).
(3)
Engage the serrated plate (4) with the adjusting bush (5).
(4)
Put the roller (7) with the eccentric bush (6) into the door frame fitting (13).
NOTE : Make sure that the slot of the eccentric bush (6) engages with
____ the pin of the adjusting bush (5) correctly.
(5)
Install the eccentric bolt (9) with the serrated plate (8) into the door frame fitting (13).
(6)
Install the serrated plates (8) to the eccentric bolt (9).
(7)
Align the slot of the serrated plates (4),(8) with the special bolts
(12) of the door frame fitting (13).
(8)
Attach the serrated plates (4),(8) with the special bolts (12), the washers (11) and the nuts (10). Do not tighten the nuts at this stage.
(9)
Install the washer (3) and the nut (2) on the eccentric bolt (9), but do not tighten at this stage.
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Subtask 52-31-32-820-050
B. Adjustment Procedure
(1)
Remove the actuator safety locks and close the FWD cargo door (Ref. TASK 52-30-00-860-002).
(2)
Adjust the eccentric bushes (6) and the eccentric bolts (9) to make sure that the skin offset is correct (Ref. TASK 52-31-11-820-001).
Subtask 52-31-32-420-051
C. Final Installation of the Lock fitting Components
(1)
Open the FWD and/or AFT cargo-compartment door(s) (Ref. TASK 52-30-00-860-001).
(2)
TORQUE the nuts (10) to between 0.3 and 0.4 m.daN (26.54 and 35.39 lbf.in).
(3)
TORQUE the nut (2) to between 2.0 and 3.0 m.daN (14.74 and 22.12 lbf.ft) and loosen it to the next cotter pin hole.
(4)
Safety the nut (2) with the new cotter pin (1).
(5)
Apply a bead of SEALANTS (Material No. 09-016) around the serrated plates (4) or (8).
(6)
Apply SPECIAL MATERIALS (Material No. 05-027) to the metal surfaces of the new installed components which have no other surface protection.
5. Close-up
________ Subtask 52-31-32-865-052
A. Make sure that this(these) circuit breaker(s) is(are) closed:
1MJ
Subtask 52-31-32-410-052
B. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the FWD cargo door (Ref. TASK 52-30-00-860-002).
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