Removal of the Latching Shaft Assembly

TASK 52-32-21-000-012-A
Removal of the Latching Shaft Assembly

ZONE: 826

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
826	AFT CARGO COMPARTMENT DOOR
826AR
826BR, 826CR

C. Referenced Information

REFERENCE	DESIGNATION
TASK 52-30-00-860-001-A	Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
TASK 52-32-33-000-001-A	Removal of the Door Fairings and Access Panels
TASK 52-35-13-000-002-A	Removal of the Proximity Switches
Access Panel and Protection Plugs ** ON A/C NOT FOR ALL
Access Panel and Protection Plugs ** ON A/C NOT FOR ALL
Access Panel and Protection Plugs ** ON A/C NOT FOR ALL
Access Panel and Protection Plugs ** ON A/C NOT FOR ALL
Latching Shaft Assembly ** ON A/C NOT FOR ALL
Latching Shaft Assembly ** ON A/C NOT FOR ALL
Latching Shaft Assembly ** ON A/C NOT FOR ALL
Latching Shaft Assembly ** ON A/C NOT FOR ALL
Latching Shaft Assembly ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 52-32-21-010-063-A ** ON A/C NOT FOR ALL

A. Get Access

Access Panel and Protection Plugs ** ON A/C NOT FOR ALL

(1) Open the AFT cargo-compartment door (referred to as cargo door) and safety it with the actuator safety locks (Ref. AMM TASK 52-30-00-860-001).
(2) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position at the cargo door.
(3) Remove the access panel 826AR from the cargo door.
(4) Remove the protection plug (6) from the lateral cutout of the edge member as required.

Subtask 52-32-21-010-063-C ** ON A/C NOT FOR ALL

A. Get Access

Access Panel and Protection Plugs ** ON A/C NOT FOR ALL

(1) Open the AFT cargo-compartment door (referred to as cargo door) and safety it with the actuator safety locks (Ref. AMM TASK 52-30-00-860-001).
(2) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position at the cargo door.
(3) Remove the door fairing 826CR and the access panels 826AR and 826BR from the cargo door (Ref. AMM TASK 52-32-33-000-001).
(4) Remove the protection plugs (9) or (12) from the lateral cutout of the edge member as necessary.

Subtask 52-32-21-865-080-A

B. Open, safety and tag this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	HYDRAULIC/HYD POWER/Y	3803GX	N30
** ON A/C NOT FOR ALL
121VU	HYDRAULIC/HYD POWER/Y	3803GX	N31
** ON A/C ALL
122VU	DOORS/CARGO	1MJ	T12
123VU	Y HYD/ELEC/PUMP	3802GX	AB06
123VU	Y HYD/ELEC/ELEC PUMP/NORM	3801GX	AB03

4. Procedure
Subtask 52-32-21-020-069-A ** ON A/C NOT FOR ALL

A. Removal of the Latching Shaft

Latching Shaft Assembly ** ON A/C NOT FOR ALL

NOTE: Identify the installation position of the link lever, shaft levers, the control lever and the interlock cam with a mark.

(1) Disconnect the shaft lever (175) from the link rod (181) of each latching unit as follows:
(a) Turn the latching shaft (171) so that you can remove the bolts (178) thru the mounting holes of the door frame.
(b) Remove and discard the cotter pin (172) from the nut (173).
(c) Remove the nut (173), the washers (179), the bushes (180) and (182) and the bolt (178) from the shaft levers (175).
(d) Remove the eye-end of the link rod (181) from the fork- end of the shaft lever (175).
(2) Disconnect the link lever (40) from the connection rod (44) follows:
(a) Turn the latching shaft (171) so that you can remove the bolts (45) thru the mounting holes of the door frame.
(b) Remove and discard the cotter pin (41) from the nut (42).
(c) Remove the nut (42), the washers (43) and the bolt (45) from the link rod (44).
(d) Remove the fork-end of the link rod (44) from the link lever (40).
(3) Remove the locking shaft (171) from the cargo door as follows:
(a) Remove the nuts (177), the sleeves (176) and the tapered pins (174) from each shaft levers (175).
(b) Remove the nuts (185), the sleeves (184) and the tapered pins (183) from the the link lever (40).
(c) Remove the nuts (188), the sleeves (189) and the tapered pins (187) from the interlock cam (186).
(d) Remove the nut (192), the sleeve (193) and the tapered pin (191) from the the control lever (190).
(e) Remove the locking shaft (171) slowly through the lateral cutout of the cargo door.

NOTE: Collect the shaft levers (175), the control lever (190), the link lever (40) and the interlock cam (186) during this movement.

(4) Remove the shaft levers (175),the control lever (190) and the interlock cam (186) while you remove the locking shaft (171) from the cargo door.
(5) If necessary, remove the target from the control lever (190) (Ref. AMM TASK 52-35-13-000-002).

Subtask 52-32-21-020-069-C ** ON A/C NOT FOR ALL

WARNING: USE PROTECTIVE GOGGLES WHEN YOU REMOVE OR INSTALL A COTTER PIN. EACH TIME YOU REMOVE A COTTER PIN DURING THE TASK, DISCARD IT IMMEDIATELY. A LOOSE COTTER PIN CAN CUT YOU OR MAKE YOU BLIND.

A. Removal of the Latching Shaft

Latching Shaft Assembly ** ON A/C NOT FOR ALL

(1) Make match marks on the components that you disconnect/remove to record their connections/positions. This is important for the subsequent installation procedure.
(2) Disconnect the shaft levers (175) from the link rods (181):
(a) Turn the latching shaft (171) to remove the bolts (178) through the mounting holes of the door frame.
(b) Remove and discard the cotter pins (172).
(c) Remove the nuts (173) and (191), the washers (179) and the bolts (178) from the shaft levers (175).
(d) Remove the eye-end of the link rods (181) from the fork-end of the shaft levers (175).
(e) Remove the bushes (180) and (182) from the shaft levers (175).
(3) Disconnect the link lever (40) from the connection rod (44):
(a) Turn the latching shaft (171) to remove the bolt (45) through the mounting holes of the door frame.
(b) Remove and discard the cotter pin (41).
(c) Remove the nut (42), the washers (43) and the bolt (45) from the connection rod (44).
(d) Remove the fork-end of the connection rod (44) from the link lever (40).
(4) Remove the latching shaft (171) from the cargo door:
(a) Remove the nuts (177), the sleeves (176) and the tapered pins (174) from the shaft levers (175).
(b) Remove the nut (185), the sleeve (184) and the tapered pin (183) from the link lever (40).
(c) Remove the nuts (188), the sleeves (189) and the tapered pins (187) from the interlock cam (186) and the control lever (190).
(d) Remove the latching shaft (171) slowly through the lateral cutout of the cargo door.
(e) Collect the shaft levers (175), the control lever (190), the link lever (40) and the interlock cam (186) during this movement.
(5) If necessary, remove the target from the control lever (190) (Ref. AMM TASK 52-35-13-000-002).

[Rev.10 from 2021] 2026.04.02 06:28:03 UTC