Removal of the Release Mechanism of the Emergency Escape Slide of the FWD Passenger/Crew Door

TASK 52-11-22-000-001-A
Removal of the Release Mechanism of the Emergency Escape Slide of the FWD Passenger/Crew Door

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

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 5M (16 FT)- ADJUSTABLE
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	1	SCRAPER - NON METALLIC

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.08BAA9)	Non Aqueous Cleaner-General - -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
831AZ, 831BZ, 831CZ, 831DZ, 831EZ, 831FZ, 831GZ

D. Referenced Information

REFERENCE	DESIGNATION
TASK 25-23-46-000-001-A	Removal of the Door Linings from the Forward Passenger/Crew Doors
TASK 25-62-44-000-002-A	Removal of the Left Escape-Slide Pack-Assembly
TASK 25-62-44-000-012-A	Removal of the Left-Hand Escape-Slide-Raft Pack-Assembly
TASK 25-62-44-000-802-A	Removal of the Right Escape-Slide Pack-Assembly
TASK 25-62-44-000-804-A	Removal of the Right-Hand Escape-Slide-Raft Pack-Assembly
TASK 52-10-00-010-001-A	Opening of the Passenger/Crew Door
TASK 52-10-00-860-001-A	Special Precautions before Work on the Passenger/Crew Door
Control Handle of the Emergency Escape Slide
Escape Slide Gearbox
Plate Assembly
Percussion System
Flexible Control
Flexible Control - Record of Dimensions
Telescopic Forks and Control Shaft of the Girt Bar
Escape Slide Control Mechanism

3. Job Set-up
Subtask 52-11-22-010-062-A

A. Get Access

WARNING: DO NOT OPEN THE PASSENGER/CREW DOOR IF THE WIND SPEED IS MORE THAN 65 KNOTS.

WARNING: BEFORE YOU START WORK ON THE DOOR, MAKE SURE THAT:

THE EMERGENCY CONTROL HANDLE IS IN THE DISARMED POSITION WITH THE SAFETY PIN INSTALLED.
THE PERCUSSION LEVER OF THE DOOR-DAMPER AND EMERGENCY-OPERATION CYLINDER IS IN THE DISARMED POSITION WITH THE SAFETY PIN INSTALLED.

IF YOU DO NOT OBEY THESE INSTRUCTIONS, THE DOOR CAN OPEN WITH FORCE OR THE ESCAPE SLIDE CAN DEPLOY SUDDENLY. THIS CAN CAUSE INJURY AND/OR DAMAGE.

WARNING: STOP THE OPENING PROCEDURE IF THE RED WARNING LIGHT FLASHES. IF THE RED WARNING LIGHT FLASHES, REMAINING PRESSURE CAN CAUSE THE DOOR TO OPEN SUDDENLY AND CAN:

KILL OR CAUSE SERIOUS INJURY TO PERSONS
CAUSE DAMAGE TO THE AIRCRAFT.

(1) Put the ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE in position in front of the passenger/crew door 831 or 841.
(2) Open the applicable passenger/crew door (Ref. AMM TASK 52-10-00-010-001)
(3) Obey the special precautions before you start work on the door (Ref. AMM TASK 52-10-00-860-001).

Subtask 52-11-22-865-050-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
121VU	EIS/SLIDES/ARM AND WARN/FLT	15WN	P11
121VU	EIS/SLIDES/ARM AND WARN/GND	13WN	P10
121VU	EIS/SDAC1 AND 2/DOOR/DET/PAX	48WV	P05

Subtask 52-11-22-010-063-A ** ON A/C NOT FOR ALL

C. Removal of Components
(1) Remove the escape slide:
(a) For the left door:
If installed, remove the left-hand escape slide pack assembly (Ref. AMM TASK 25-62-44-000-002).
(b) For the right door:
If installed, remove the right-hand escape slide pack assembly (Ref. AMM TASK 25-62-44-000-802).
(2) Remove the door lining panels (Ref. AMM TASK 25-23-46-000-001) 831FZ 831GZ 831EZ 831DZ 831CZ 831BZ 831AZ.
(3) Remove the door insulation.

Subtask 52-11-22-010-063-B ** ON A/C NOT FOR ALL

C. Removal of Components
(1) Remove the escape slide:
(a) For the left door:
If installed, remove the left-hand escape slide raft pack assembly (Ref. AMM TASK 25-62-44-000-012).
(b) For the right door:
If installed, remove the right-hand escape slide raft pack assembly (Ref. AMM TASK 25-62-44-000-804).
(2) Remove the door lining panels (Ref. AMM TASK 25-23-46-000-001) 831FZ 831GZ 831EZ 831DZ 831CZ 831BZ 831AZ.
(3) Remove the door insulation.

Subtask 52-11-22-860-050-A

D. Aircraft Maintenance Configuration
(1) Close the applicable passenger/cew door.
(2) Put the emergency contol handle in the ARMED position.
(3) Slowly open the applicable passenger/cew door from the inside.

NOTE: Be careful to open the door, as the escape slide is not installed.
Without weight, the door up movement is more rapid.

(4) Make sure that the girt bar is in the girt bar fittings.
(5) Remove the girt bar from the girt bar fittings.
(6) Put the emergency escape slide contol handle in the DISARMED position.

4. Procedure
Subtask 52-11-22-020-051-B

A. Removal of the Emergency Control Handle

Control Handle of the Emergency Escape Slide

(1) Remove the nuts (43) and the bolts (44) from the fitting (42).
(2) Removal of the fitting (42):

WARNING: BE CAREFUL WHEN YOU REMOVE THE ROD END ASSEMBLY. THE SPRING CAN EJECT THE ROD, THE FITTING AND THE BUSH. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.

(a) Remove the fitting (42), the rod (36), the washers (35), the bush (34) and the spring (33).
(3) Remove the cotter pin (39) and discard it. Remove the nut (38), the washer (37), the bolt (40) and the washer (41).
(4) Remove the cotter pin (25) and discard it. Remove the nut (26), the washer (27), the bolt (48) and the washer (46) and disconnect the rod (9).
(5) Remove the cotter pin (15) and discard it. Remove the nut (14), the washer (13), the bolt (11), the washer (12) and disconnect the rod (10).
(6) Remove the cotter pin (3) and discard it. Remove the nut (4), the washer (5) and the taper pin (2).
(7) Remove the lever (1).
(8) Remove the cotter pin (16) and discard it. Remove the nut (17), the washer (18) and the taper pin (20).
(9) Remove the emergency control handle (21) and the washer (22).
(10) Remove the cotter pin (7) and discard it. Remove the nut (8), the washer (6) and the taper pin (31).
(11) Remove the emergency control handle axle (19), the washer (22), the spacer (23), the bellcrank (24).
(12) Remove the cotter pin (28), the nut (29), the washer (30), the bolt (47) and the washer (45).
(13) Remove the rod (32).

Subtask 52-11-22-020-052-A

B. Removal of the Escape Slide Gearbox

Escape Slide Gearbox

(1) Removal of the plate assembly

Plate Assembly

(a) Remove the screw (70), the washer (71) and the closing plate (72).
(b) Remove the old sealant with a SCRAPER - NON METALLIC and clean the surface with Non Aqueous Cleaner-General - - (Material No.08BAA9) .
(2) Remove the cotter pin (52) and discard it.
(3) Remove the nut (53), the washers (51), the bolt (49), the washers (50) and disengage the telescopic rod (54).
(4) Remove the cotter pin (58) and discard it.
(5) Remove the nut (59), the washer (57), the bolt (55), the washer (56) and remove the telescopic rod (54).
(6) Remove the bolts (62), the washers (61), the bolt (64), the washer (63) and remove the escape slide gearbox assembly (60).

Subtask 52-11-22-020-053-A

C. Removal of the Percussion System

Percussion System

(1) Remove the cotter pins (166) and discard them.
(2) Remove the nuts (167) and the washers (165).
(3) Remove the bolts (186), the washers (185) and disconnect the rods (160), (184) and the flexible control (168).
(4) Remove the nut (162), the bolt (163) and the crank (187) from the internal door structure.
(5) Remove the cotter pin (173) and discard it.
(6) Remove the nut (174), the washers (175), the bolt (178), the washer (177) and remove the rod (184).
(7) Remove the cotter pin (169) and discard it.
(8) Remove the nut (170), the washer (171), the bolt (181), the washers (179), (180) and remove the bellcrank assembly (176) and the spacer (172).
(9) Remove the sealant from the crank (187) and from the door structure with Non Aqueous Cleaner-General - - (Material No.08BAA9) .

Subtask 52-11-22-020-054-C

D. Removal of the Flexible Control Assembly

Flexible Control

(1) Measure the dimension of the old flexible control

Flexible Control - Record of Dimensions

(a) Measure and note the dimensions X1, X2, X3, X4.
(2) Remove the cotter pin (85) and discard it.
(3) Remove the nut (84), the washer (83), the bolt (80) and the washer (81).
(4) Remove the cotter pin (95) and discard it.
(5) Remove the nut (94), the washer (96), the bolt (92) and the washer (93).
(6) Remove the nuts (90), the washer (91) and the bolts (98).
(7) Removal of the flexible control assembly (87).
(a) Release the lockwasher (101).
(b) Loosen the nut (102).
(c) Remove the eye end assembly (100).
(d) Remove the seal nut (103).
(e) Loosen and remove the nut (105) and the washer (106).
(f) Pull the flexible control through the hole at the bottom of the door.
(8) Disassembly of the flexible control (108).
(a) Remove the washer (104).
(b) Loosen and remove the nut (107).
(c) Release the lockwasher (116).
(d) Loosen the nut (115).
(e) Remove the eye end assembly (117).
(f) Remove the lockwasher (116) and the nut (115).
(g) Remove the seal nut (114).
(h) Loosen and remove the nut (113).
(i) Remove the washer (112), the fitting (111) and the washer (110).
(j) Loosen and remove the nut (109).
(k) Remove the flexible control (108).

Subtask 52-11-22-020-055-A

E. Removal of the Girt Bar Control Shaft

Telescopic Forks and Control Shaft of the Girt Bar

(1) Remove the nuts (142) the bolts (140) and the telescopic forks (143).
(2) Remove the cotter pin (149) and discard it.
(3) Remove the nut (148), the washers (150), (151), the bolt (153) and disconnect the flexible control cable (152).
(4) Remove the nuts (146), (162), the washers (147), (163), the tapper pins (144), (165) and the levers (145), (164).
(5) Remove the nuts (157), (158) the washers (156), (161) and the tapper pins (154), (160).
(6) Disengage and remove the shaft (167) and remove the bellcrank (155) and the spacer (159).

Subtask 52-11-22-020-050-A

F. Removal of the Escape Slide Control Mechanism

Escape Slide Control Mechanism

(1) Remove the cotter pin (193).
(2) Remove the nut (194), the washer (192), the bolt (185), the washer (186) and disengage the rod (180).
(3) Remove and discard the cotter pin (190).
(4) Remove the nut (191), the washer (189), the bolt (187), the washer (188) and disengage the rod end (199).
(5) Remove the rod end (199), the spring (200) and the bushing (201).
(6) Remove the cotter pin (195).
(7) Remove the nut (196), the washer (197), the bolt (181) and the washers (182), (183).
(8) Remove the hook (198) and the spacer (184).

[Rev.10 from 2021] 2026.04.02 06:27:24 UTC