Removal of the Upper Y-Guide

TASK 25-52-46-000-002-A
Removal of the Upper Y-Guide

ZONE: 130

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)
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	1	WARNING NOTICE(S)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
130	FWD CARGO COMPT AFT BULKHEAD OF AVNCS COMPT TO FWD PRESSURE BULKHEAD OF WING CENTER BOX

C. Referenced Information

REFERENCE	DESIGNATION
TASK 52-30-00-860-001-A	Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
Upper Y-Guide

3. Job Set-up
Subtask 25-52-46-010-053-A ** ON A/C NOT FOR ALL

A. Get Access
(1) Open the forward cargo-compartment door (Ref. AMM TASK 52-30-00-860-001).
(2) Put the ACCESS PLATFORM 2M (6 FT) in position at the opening of the forward cargo-compartment door.
(3) Put the WARNING NOTICE(S) on the control panel of the cargo loading system to tell persons not to use it.

Subtask 25-52-46-865-057-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
2000VU	SEMI AUTO CLS-FWD	3MY	E08
2000VU	SEMI AUTO CLS-FWD	2MY	E06

4. Procedure
Subtask 25-52-46-020-051-A ** ON A/C NOT FOR ALL

A. Removal of the Upper Y-Guide
(1) Hold the upper Y-guide (3).
(2) Remove the screws (1) and (4) and the washers (2) from the mountings (5) and (6).
(3) Remove the upper Y-guide (3) with the mountings (5) and (6).

[Rev.10 from 2021] 2026.04.01 06:27:50 UTC