Deactivation of the Main Wheel Hubcap

TASK 32-41-00-040-004-A
Deactivation of the Main Wheel Hubcap

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.

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

ZONE: 731
ZONE: 741

1. Reason for the Job
CDL 32-01
Main Wheel Hubcap
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	AR	WARNING NOTICE(S)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
731	L.H MAIN GEAR
741	R.H MAIN GEAR

C. Referenced Information

REFERENCE	DESIGNATION
TASK 29-24-00-863-001-A	Pressurize the Yellow Hydraulic System with the Electric Pump
TASK 32-42-00-040-003-A	Deactivation of the Main Wheel Brakes
TASK 32-42-68-000-003-A	Removal of the MLG Tachometer-Drive
Main Wheel Hubcap ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 32-41-00-941-058-B ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) On right center instrument-panel 400VU:

Put the WARNING NOTICE(S) in position to tell persons not to operate the landing gear control-lever.

Subtask 32-41-00-865-058-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	HYDRAULIC/BRAKING AND STEERING/SYS2/SPLY	4GG	M36
121VU	HYDRAULIC/BRAKING AND STEERING/SYS2/CTL	3GG	M35
121VU	HYDRAULIC/BRAKING AND STEERING/SYS1/CTL	1GG	M34
121VU	HYDRAULIC/BRAKING AND STEERING/SYS1/IND AND/SPLY	2GG	M33

Subtask 32-41-00-860-057-B ** ON A/C NOT FOR ALL

C. Aircraft Maintenance Configuration
(1) On panel 110VU :

Make sure that the PARK BRK control switch is set to ON.

(2) On right center instrument-panel 400VU:

Make sure that the brake pressure indication on the Yellow brake-pressure triple indicator is correct.
If necessary, pressurize the brake accumulator with the Yellow pump (Ref. AMM TASK 29-24-00-863-001).

4. Procedure
Subtask 32-41-00-040-052-C ** ON A/C NOT FOR ALL

A. Deactivation of the Main Wheel Hubcap

Main Wheel Hubcap ** ON A/C NOT FOR ALL

(1) Do the deactivation of the applicable main wheel brake (Ref. AMM TASK 32-42-00-040-003).
(2) Loosen the nut (3) of the clamp screw (4).
(3) Remove the clamp (5).
(4) Remove the hubcap (7) from the wheel axle (1).

NOTE: You must remove the hubcap (7) along the centerline of the wheel axle (1) to prevent damage to the tachometer drive shaft (2).

(5) Remove the applicable MLG tachometer drive shaft (Ref. AMM TASK 32-42-68-000-003).

5. Close-up
Subtask 32-41-00-865-061-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	HYDRAULIC/BRAKING AND STEERING/SYS2/SPLY	4GG	M36
121VU	HYDRAULIC/BRAKING AND STEERING/SYS2/CTL	3GG	M35
121VU	HYDRAULIC/BRAKING AND STEERING/SYS1/CTL	1GG	M34
121VU	HYDRAULIC/BRAKING AND STEERING/SYS1/IND AND/SPLY	2GG	M33

Subtask 32-41-00-942-058-B ** ON A/C NOT FOR ALL

B. Removal of Equipment
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the WARNING NOTICE(S).
(3) Make an entry in the logbook.
(4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.

[Rev.10 from 2021] 2026.04.01 00:47:07 UTC