Adjustment of the Door Buffer

TASK 52-22-00-820-006-A
Adjustment of the Door Buffer

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

REFERENCE	QTY	DESIGNATION
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
8	COTTER PIN	AIPC 52-22-12-03-060

C. Referenced Information

REFERENCE	DESIGNATION
TASK 52-22-00-010-001-A	Opening of the Emergency Exit Doors from the Passenger Compartment
TASK 52-22-00-410-001-A	Closing of the Emergency Exit Doors from the Passenger Compartment
TASK 52-22-00-860-003-A	Special Precaution before Maintenance on the Door Damper and Emergency Operation Cylinder
TASK 52-22-00-860-004-A	Special Precaution after Maintenance on the Door Damper and Emergency Operation Cylinder
Adjustment of the Door Buffer

3. Job Set-up
Subtask 52-22-00-010-077-A ** ON A/C NOT FOR ALL

A. Get Access
(1) Open the emergency exit door (referred to as door) (Ref. AMM TASK 52-22-00-010-001).
(2) Make sure that the special precaution on the door damper and emergency operation cylinder is done (Ref. AMM TASK 52-22-00-860-003).

Subtask 52-22-00-865-068-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR 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

4. Procedure
Subtask 52-22-00-820-063-A ** ON A/C NOT FOR ALL

A. Adjustment of the Door Buffer

Adjustment of the Door Buffer ** ON A/C NOT FOR ALL

(1) Make sure that the locking hook (18) touches the locking roller (17).
(2) Measure the clearance between the stop (15) of the door buffer (19) and the fuselage. The clearance must be between 1.0 mm (0.039 in.) and 3.0 mm (0.118 in.).
(3) If necessary, adjust the clearance as follows:
(a) Move the door away from the fuselage (Ref. AMM TASK 52-22-00-410-001).
(b) Remove the cotter pin (8) from the nut (7). Discard the cotter pin (8).
(c) Remove the nut (7), the washer (9) and the spherical cup (6).
(d) Remove the bolt (1), the washer (2), the stop (15) and the spherical cup (14).
(e) Remove the guide bush (3) and the washers (13) and (4).
(f) Remove the guide bush (10) and the washers (11) and (5).
(g) Change the number of the washers (4) and (5) as necessary to adjust the clearance correctly.
(h) Install the washers (5) and (11) and the guide bush (10).
(i) Install the washers (4) and (13) and the guide bush (3).
(j) Install the spherical cup (14), the stop (15), the washer (2) and the bolt (1).
(k) Install the spherical cup (6), the washer (9) and the nut (7).
(l) Open the door and make sure that the clearance between the door buffer and the fuselage is correct. If necessary, do the adjustment procedure again.
(m) Install the nut (7) and safety it with the new AIPC 52-22-12-03-060 COTTER PIN (8).

5. Close-up
Subtask 52-22-00-865-069-A ** ON A/C NOT FOR ALL

A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR 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 52-22-00-410-067-A ** ON A/C NOT FOR ALL

B. Close Access
(1) Do the special precaution on the door damper and emergency operation cylinder (Ref. AMM TASK 52-22-00-860-004).
(2) Close the door correctly (Ref. AMM TASK 52-22-00-410-001).

[Rev.10 from 2021] 2026.04.02 06:27:38 UTC