-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R  **ON A/C 001-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,
 52-31-00-991-001-A **ON A/C 051-052, Fig. 501
R  52-31-00-991-001 Fig. 501A **ON A/C 001-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,
 52-31-00-991-002-A **ON A/C 051-052, Fig. 502
 52-31-00-991-002 Fig. 502A **ON A/C 001-049, 053-099, 101-105, 151-199, 201-220,
 52-31-00-991-003-A **ON A/C 051-052, Fig. 503
R  52-31-00-991-003 Fig. 503A **ON A/C 106-149, 221-299, 301-399, 401-499,
 52-31-00-991-003-B  Fig. 503B

 **ON A/C ALL

 3. Job Set-up
__________
 Subtask 52-31-00-010-052

 A. Get Access
 (1)
 Put the access platform in position below the closed FWD cargo compartment door (referred to as cargo door).

 (2)
 Open the access panel 134AR to get access to the selector of the control panel.

 Subtask 52-31-00-865-052
 B. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU HYDRAULIC/HYD POWER/Y 3803GX N30 122VU DOORS/CARGO 1MJ T12 123VU Y HYD/ELEC/PUMP 3802GX AB06 123VU Y HYD/ELEC/ELEC PUMP/NORM 3801GX AB03
 Subtask 52-31-00-860-053
 C. Aircraft Maintenance Configuration
 (1)
 Make sure that the reservoir of the Yellow hydraulic system is pressurized (Ref. TASK 29-14-00-614-002).

 (2)
 Make sure that the aircraft electrical circuits are energized (Ref. TASK 24-41-00-861-002).

 4. Procedure
_________
 Subtask 52-31-00-720-055

 A. Test of the Skin Offset R **ON A/C 001-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,
 (Ref. Fig. 501/TASK 52-31-00-991-001-A)
 1EFF : ALL 1 52-31-00Page 517 1 1 Aug 01/05 1 1 1CES 1

 Check of the Skin Offset and the Drift Pin Mechanism Clearance Check of the Locking Hooks Figure 501/TASK 52-31-00-991-001-A
R 1EFF : 001-049, 053-099, 101-149, 151-199, 1 52-31-00Page 518 1201-299, 301-399, 401-499, 1Aug 01/05 1 1 1CES 1 **ON A/C 051-052,

 (Ref. Fig. 501A/TASK 52-31-00-991-001)
 **ON A/C ALL
 (1)
 Make sure that the cargo door is correctly closed and locked (Ref. TASK 52-30-00-860-002).

 (2)
 Do this test:

 NOTE : If necessary, adjust the skin offset (Ref. TASK 52-31-11-820-
____
 001).

 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the cargo door:  On the cargo door:
 -measure the skin offset between  - the skin offset must be between 4.5 the external contour of the mm (0.1771 in.) and 1.5 mm (0.0590 cargo door and the fuselage in.). adjacent to the drift pins.
 2. On the cargo door:  On the cargo door:
 -measure the skin offset between  - the skin offset must be between 3.1 the external contour of the mm (0.1220 in.) and 0.1 mm (0.0039 cargo door and the fuselage at in.). the measurement points.
 NOTE : The skin offset must be always out of wind.
____
 **ON A/C 001-049, 053-061, 101-105, 201-203,
 Subtask 52-31-00-720-056-A
 B. Test of the Latching Mechanism
 (Ref. Fig. 502/TASK 52-31-00-991-002-A)

 (1) Make sure that the cargo door is correctly closed and locked (Ref. TASK 52-30-00-860-002).
 1EFF : ALL 1 52-31-00Page 519 1 1 Aug 01/05R 1 1 1CES 1

R Check of the Skin Offset and the Drift Pin Mechanism R Clearance Check of the Locking Hooks R Figure 501A/TASK 52-31-00-991-001
R 1EFF : 051-052, 1 52-31-00Page 520 1 1 May 01/05 1 1 1CES 1 Dead Center of the Locking Mechanism Figure 502/TASK 52-31-00-991-002-A

R 1EFF : 001-049, 053-099, 101-149, 151-199, 1 52-31-00Page 521 1201-299, 301-399, 401-499, 1Aug 01/05 1 1 1CES 1

 (2) Remove the access panel 825AR to get access to the cargo door
 mechanism. R
R (3) If necessary, adjust the latching mechanism (Ref. TASK 52-31-11-820-002).
R (4) Do this test:
R NOTE : The rigging pins 98D52307525100 and 98D52307525100 are part of
____ R the ADJUSTMENT TOOL - CARGO DOORS (98D52307525000).
　
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