Removal of the Actuating Mechanism

TASK 56-12-12-000-001-A
Removal of the Actuating Mechanism

WARNING: MAKE SURE THAT THE CIRCUIT BREAKERS RELATED TO THE WEATHER RADAR ARE OPENED, SAFETIED AND TAGGED.

ZONE: 211
ZONE: 212

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	ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
211	COCKPIT
212	COCKPIT
211DW, 211GW, 211PW, 212DW, 212GW, 212PW

C. Referenced Information

REFERENCE	DESIGNATION
TASK 56-12-11-010-001-A	Opening of the Cockpit Sliding Windows
Removal of the Lower Lining Panels
Locking Mechanism of the Sliding Window

3. Job Set-up
Subtask 56-12-12-941-050-A

A. Get Access
(1) Put the ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE in position in the zone 210 in front of the sliding window.

Subtask 56-12-12-865-050-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
121VU	COM NAV/RADAR/1	5SQ1	K13
** ON A/C NOT FOR ALL
121VU	COM NAV/RADAR/2	5SQ2	K14
** ON A/C ALL
122VU	ANTI ICE/WINDOWS/R	4DG2	W14
122VU	ANTI ICE/WHC/2	5DG2	W13
122VU	ANTI ICE/WINDOWS/L	4DG1	X14
122VU	ANTI ICE/WHC/1	5DG1	X13
123VU	ANTI ICE/L/WHSLD	1DG1	AF10
123VU	ANTI ICE/R/WHSLD	1DG2	AF03

Subtask 56-12-12-010-050-A

C. Removal of the Access Panels

Removal of the Lower Lining Panels

(1) Removal of the panel 211PW 212PW
(a) Open the sliding window (Ref. AMM TASK 56-12-11-010-001),
(b) Remove the screw (15),the washer (16),
(c) Loosen the fastener (1),
(d) Remove the panel 211PW 212PW.
(2) Removal of the lining panel 211GW 212GW
(a) Remove the screws (8) and the washers (7),
(b) Loosen the fasteners (9),
(c) Remove the screw (12), the washer (11) and disengage the electrical cable (13).
(d) Remove the lining panel 211GW 212GW.
(3) Removal of the lining panel 211DW 212DW
(a) Remove the screws (3) and (6) and the washers (2) and (5),
(b) Loosen the fasteners (4),
(c) Remove the lining panel 211DW 212DW.

4. Procedure
Subtask 56-12-12-020-050-A

A. Removal of the Actuating Mechanism

Locking Mechanism of the Sliding Window

(1) Removal of the rod (35).
(a) Remove the cotter pin (34) and discard it. Remove the washer (33).
(b) Remove the cotter pin (36) and discard it. Remove the washer (37).
(c) Remove the bolts (32) and (50). Remove the rod (35).
(2) Removal of the control lever assembly (31).
(a) Remove the cotter pin (29) and discard it. Remove the washer (30).
(b) Remove the bolt (23) and the lever (31).
(c) Remove the nuts (28), (27), the bolts (21), (22) and the bracket (24).
(3) Removal of the rod (40).
(a) Remove the cotter pin (38) and discard it. Remove the washer (39).
(b) Remove the cotter pin (42) and discard it. Remove the washer (41).
(c) Remove the bolts (43) and (46). Remove the rod (40).
(4) Removal of the bellcrank (51).
(a) Remove the cotter pin (25) and discard it. Remove the washer (26).
(b) Remove the bolt (61) and the bellcrank (51).
(5) Removal of the locking lever assembly (44).
(a) Remove the cotter pin (55) and discard it. Remove the washer (56).
(b) Remove the bolt (58), the locking lever (44), the slide (47) and the spring (48).
(c) Remove the pin (45) to move apart the locking lever (44) and the slide (47).
(d) Remove the nuts (57).
(e) Remove the bolts (54).
(f) Remove the nuts (52).
(g) Remove the bolts (59) and (60) the fitting (53) and the trunnion (49).

[Rev.10 from 2021] 2026.04.01 02:07:41 UTC