Removal of the Restraint System

TASK 25-22-41-000-002-A
Removal of the Restraint System

ZONE: 200

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
200	UPPER HALF FUSELAGE

B. Referenced Information

REFERENCE	DESIGNATION
TASK 23-73-44-000-001-A	Removal of the Handset/Cradle
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
Restraint System ** ON A/C NOT FOR ALL
Restraint System ** ON A/C NOT FOR ALL
Restraint System ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 25-22-41-861-051-A

A. Aircraft Maintenance Configuration
(1) Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).

4. Procedure
Subtask 25-22-41-020-053-A ** ON A/C NOT FOR ALL

A. Removal of the Restraint System - Bench CAS

Restraint System ** 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) Open the seat pan (2) and put some type of weight on it to hold it in the open position.
(3) Remove the backrest cushions (1).

NOTE: The burr strips attach the cushions to the seat structure.

(4) Remove the screws (4) and the cover (3).
(5) For Model 2131:
(a) Remove the screws (5), the bushings (6) and the inertia reel(s) (7).
(b) Remove the bolts (9), washers (10), restraint system assy (8) and lap belt fittings (11).
(6) For Model 2431:
(a) Remove the screws (18) and the strap beam (20).
(b) Remove the screws (17), the nuts (19) and the inertia reel(s) (16).
(c) Remove the bolts (15), pivot clips (14) with lap belt fittings (12) and restraint system assy (13).

Subtask 25-22-41-020-054-A ** ON A/C NOT FOR ALL

B. Removal of the Restraint System

Restraint System ** ON A/C NOT FOR ALL

(1) Open the seat pan (5) and put some type of weight on it to hold it in the open position.
(2) Remove the backrest cushions (2).

NOTE: The burr strips attach the cushions to the seat structure.

(3) If installed, remove the handset/cradle (Ref. AMM TASK 23-73-44-000-001).
(4) Remove the screws (4), the washers (3) and the headrest (1).
(5) Remove the bolts (13) and the spacers (12) and release the restraint system assy (8).
(6) Remove the screws (10), the washers (9) and the inertia reel(s) (11).
(7) Remove the screws (6), the strap guides (7) and the restraint system assy (8).

Subtask 25-22-41-020-054-B ** ON A/C NOT FOR ALL

B. Removal of the Restraint System

Restraint System ** ON A/C NOT FOR ALL

(1) Open the seat pan (2) and put some type of weight on it to hold it in the open position.
(2) Remove the backrest cushions (1).

NOTE: The burr strips attach the cushions to the seat structure.

(3) Remove the screws (4) and the cover (3).
(4) For Model 2128:
(5) Remove the screws (5), the bushings (6) and the inertia reel(s) (7).
(6) Remove the bolts (9), washers (10), restraint system assy (8) and lap belt fittings (11).
(7) For Model 2428:
(a) Remove the screws (18) and the strap beam (20).
(b) Remove the screws (17), the nuts (19) and the inertia reel(s) (16).
(c) Remove the bolts (12), nuts (14), spacers (15) and restraint system assy (13).

[Rev.10 from 2021] 2026.03.31 23:30:46 UTC