ADJUSTING/ALIGNING/CALIBRATING of the Standby Altimeter

TASK 34-21-22-820-001-A
ADJUSTING/ALIGNING/CALIBRATING of the Standby Altimeter

ZONE: 211

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

ZONE/ACCESS	ZONE DESCRIPTION
211	COCKPIT

B. Referenced Information

REFERENCE	DESIGNATION
TASK 34-21-22-000-001-A	Removal of the Standby Altimeter
TASK 34-21-22-400-001-A	Installation of the Standby Altimeter
TASK 34-21-25-000-001-A	Removal of the Metric Altimeter
TASK 34-21-25-400-001-A	Installation of the Metric Altimeter
CMM 341027
CMM 342122

3. Job Set-up
Subtask 34-21-22-869-050-A ** ON A/C NOT FOR ALL

A. Not Applicable

4. Procedure
Subtask 34-21-22-020-053-B ** ON A/C NOT FOR ALL

A. Remove the standby altimeter (Ref. AMM TASK 34-21-22-000-001), and the metric altimeter (Ref. AMM TASK 34-21-25-000-001).

Subtask 34-21-22-820-050-B ** ON A/C NOT FOR ALL

B. Do a calibration test of the standby altimeter and the metric altimeter
CMM 342122
CMM 341027.

Subtask 34-21-22-420-053-B ** ON A/C NOT FOR ALL

C. Install the standby altimeter (Ref. AMM TASK 34-21-22-400-001), and the metric altimeter (Ref. AMM TASK 34-21-25-400-001).

[Rev.10 from 2021] 2026.04.02 06:23:13 UTC