Removal of the Pedal Position Adjuster Assembly

TASK 27-21-43-000-002-A
Removal of the Pedal Position Adjuster Assembly

WARNING: PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:

THE FLIGHT CONTROLS
THE FLIGHT CONTROL SURFACES
THE LANDING GEAR AND THE RELATED DOORS
COMPONENTS THAT MOVE.

MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.

ZONE: 120
ZONE: 210

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 2M (6 FT) - ADJUSTABLE
98A27901002000	1	PIN-RIGGING,RUDDER CONTROL

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
120	AVIONICS COMPARTMENT
210	CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD
811

C. Referenced Information

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 29-10-00-863-003-A	Pressurize the Blue Hydraulic System with a Hydraulic Ground Power-Cart
TASK 29-10-00-863-003-A-01	Pressurize the Blue Hydraulic System with the Blue Electric Pump
TASK 29-10-00-864-003-A	Depressurize the Blue Hydraulic System
Rigging Pin Location ** ON A/C NOT FOR ALL
Rigging Pin Location ** ON A/C NOT FOR ALL
Component Location ** ON A/C NOT FOR ALL
Rack Assembly
Component Location ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 27-21-43-861-051-A

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

Subtask 27-21-43-010-052-A

B. Get Access
(1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position.
(2) Open the access door 811.

Subtask 27-21-43-860-053-A

C. Aircraft Maintenance Configuration
(1) Pressurize the Blue hydraulic system (Ref. AMM TASK 29-10-00-863-003).
(2) On the center pedestal, on the panel 110VU, make sure that the RUD TRIM indicator shows 0.
(3) Install the 98A27901002000 PIN-RIGGING,RUDDER CONTROL (1) on the yaw/brake bellcrank (2) (see detail B).

Rigging Pin Location ** ON A/C NOT FOR ALL

(4) Depressurize the Blue hydraulic system (Ref. AMM TASK 29-10-00-864-003).

4. Procedure
Subtask 27-21-43-020-055-B

A. Removal of the Pedal Position Adjuster Assembly
(1) Remove the cotter pin (30) and discard it.
(2) Remove the nut (31), the washer (32) and the bolt (38).
(3) In the cockpit, remove the screws (10) and the washers (11).
(4) Remove the screws (6) and the washers (7).
(5) Cut and remove the lockwire from the nut (43).
(6) Fully loosen the nut (43).
(7) Fully tighten the screw (44).
(8) Remove the clip (45).
(9) Lightly pull the handle (15) so that you can remove the pin (16).
(10) Remove the pin (16).

NOTE: The pin (16) has a slot so that you can disengage it from the cable (17) when you remove it.

(11) Pull the cable (17) lightly down and remove the cover (5) with the rod (39).
(12) Remove the locking-pin (46).
(13) Remove the pin (40).

NOTE: The pin (40) has a slot so that you can disengage it from the cable (17) when you remove it.

(14) Remove the cable (17).
(15) Remove the screw (44) and the nut (43).
(16) Remove the cotter pin (22) and discard it.
(17) Remove the nut (21), the washer (20) and the bolt (18).
(18) Remove the cotter pin (23) and discard it.
(19) Remove the nut (24), the bolt (27) and the washers (25).
(20) Lift the lower part of the rack assembly (26) to compress the springs (41) and (42). Remove the spacer (28).
(21) Remove the rack assembly (26) and the springs (41) and (42).
(22) Remove the cotter pins (33) and discard them.
(23) Remove the washers (34) and the pins (36).
(24) Remove the actuator (37).

[Rev.10 from 2021] 2026.03.31 23:48:20 UTC