Functional Check for Correct Operation of Wheel Mounted Tire Pressure Indicators

TASK 32-41-00-210-004-A
Functional Check for Correct Operation of Wheel Mounted Tire Pressure Indicators

ZONE: 700

1. Reason for the Job
Refer to the MPD TASK: 324100-03
FUNCTIONAL CHECK FOR CORRECT OPERATION OF WHEEL MOUNTED TIRE PRESSURE INDICATORS

NOTE: This procedure is applicable only on aircraft with a pressure indicator on the valve of the wheels.

NOTE: You must do this check on all the wheels of the aircraft.

2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	ADAPTER - TIRE INFLATION/DEFLATION
No specific	AR	CART - INFLATION, TIRE, NITROGEN
No specific	AR	WARNING NOTICE(S)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
700	LANDING GEAR AND LANDING GEAR DOORS

C. Referenced Information

REFERENCE	DESIGNATION
TASK 12-14-32-614-001-A	Nitrogen Filling of the Tires

3. Job Set-up
Subtask 32-41-00-941-055-A

A. Safety Precautions
(1) In the cockpit, on the center instrument panel 400VU, put WARNING NOTICE(S) to tell persons not to operate the landing gear control lever.
(2) In the cockpit, on the steering handwheels (CAPT and F/O) and on the brake pedals, put a warning notice to tell persons not to operate them.

4. Procedure
Subtask 32-41-00-210-061-A

A. Functional Check for Correct Operation of Wheel Mounted Tire Pressure Indicators
(1) Put the CART - INFLATION, TIRE, NITROGEN near the wheel on which you do the check.
(2) Remove the tire inflation-valve cap.
(3) Install the ADAPTER - TIRE INFLATION/DEFLATION on the tire inflation valve.

NOTE: Use a pressure gage with the same accuracy as the pressure gage used in shop (scale: 0 to 300 PSI).

(4) Lightly deflate the tire and make sure that the pointer of the valve moves.
(5) On the indicator of the wheel inflation valve:

Make sure that the tire pressure indications agree with the pressure measured on the pressure gage.

NOTE: THE DIFFERENCE BETWEEN THE TWO INDICATIONS MUST BE EQUAL TO MINUS 10 TO ZERO P.S.I.

(6) Inflate the tire again with nitrogen to the correct pressure (Ref. AMM TASK 12-14-32-614-001).

5. Close-up
Subtask 32-41-00-942-054-A

A. Removal of Equipment
(1) Disconnect the tire inflation cart, the adaptor and the pressure gage.
(2) Install the tire inflation-valve cap.
(3) Remove the inflation cart from the area.
(4) Remove the warning notices.

[Rev.10 from 2021] 2026.04.01 00:47:11 UTC