Installation of the Entrance Guides

TASK 25-52-48-400-001-A
Installation of the Entrance Guides

WARNING: DO NOT GET THE FLUID ON YOUR SKIN OR IN YOUR EYES. IF YOU DO:

FLUSH IT AWAY WITH CLEAN WATER
GET MEDICAL AID.

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

CAUTION: USE ONLY THE SPECIFIED MATERIALS AND OBEY THE INSTRUCTIONS FROM THE MATERIAL MANUFACTURERS. OTHER MATERIALS CAN CAUSE DAMAGE TO THE SURFACE PROTECTION OF THE COMPONENTS AND THE RELATED AREA.

ZONE: 130
ZONE: 150

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	1	SCRAPER - PLASTIC
No specific	1	SCRAPER - WOODEN
No specific	1	WARNING NOTICE(S)

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.06AAC1)	Polysulfide Sealant-General Purpose Interfay -
(Material No.06LCG9)	Non Hardening Jointing Putty-Medium Temp. Area - -
(Material No.08BAA9)	Non Aqueous Cleaner-General - -
(Material No.12ABB1)	Corrosion Preventive Compound-Water Displacing Hard Film -
(Material No.12ACC1)	Corrosion Preventive Compound-Heavy Duty Soft Film -

C. 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
150	AFT CARGO COMPARTMENT FWD PRESS BULKHEAD TO AFT BULKHEAD OF AFT CARGO COMPARTMENT

D. Referenced Information

REFERENCE	DESIGNATION
TASK 25-52-46-400-001-A	Installation of the Y-Guide
TASK 51-75-13-916-002-A	Repair to a layer of Corrosion Preventive Compound
TASK 52-30-00-860-001-A	Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
TASK 52-30-00-860-002-A	Close the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
TASK 53-22-14-400-001-A	Installation of the Forward Cargo-Compartment Floor-Panels
TASK 53-22-14-400-001-A-01	Installation of the Forward Cargo-Compartment Floor-Panels (Alternative Installation Procedure with the Skyflex Option)
TASK 53-42-14-400-001-A	Installation of the Aft Cargo-Compartment Floor-Panels Zone 150
TASK 53-42-14-400-001-A-01	Installation of the Aft Cargo-Compartment Floor-Panels (Alternative Installation Procedure with the Skyflex Option)
Entrance Guide - FWD and AFT Cargo Compartments

3. Job Set-up
Subtask 25-52-48-860-051-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Make sure that the forward and/or aft cargo-compartment door is opened (Ref. AMM TASK 52-30-00-860-001).
(2) Make sure that the ACCESS PLATFORM 2M (6 FT) is in position at the opening of the forward and/or aft cargo-compartment door(s).
(3) Make sure that the WARNING NOTICE(S) is in position at the applicable control panel of the cargo loading system.

Subtask 25-52-48-865-056-A ** ON A/C NOT FOR ALL

B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
2000VU	SEMI AUTO CLS-FWD	3MY	E08
2000VU	SEMI AUTO CLS-FWD	2MY	E06
2001VU	SEMI AUTO CLS-AFT	103MY	D08
2001VU	SEMI AUTO CLS-AFT	102MY	D06

4. Procedure
Subtask 25-52-48-910-051-A ** ON A/C NOT FOR ALL

A. Preparation for Installation

Entrance Guide - FWD and AFT Cargo Compartments ** ON A/C NOT FOR ALL

(1) Remove the sealant from the entrance guide and the door sill structure with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a SCRAPER - WOODEN or SCRAPER - PLASTIC.
(2) Clean the entrance guide and the door sill structure.
(3) Clean the component interfaces and the adjacent area.
(4) Do an inspection of the component interfaces and the adjacent area.
(5) Make sure that the work area is clean and clear of tools and other items.
(6) Apply Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the thread of the screws.
(7) Apply a layer of Polysulfide Sealant-General Purpose Interfay - (Material No.06AAC1) to the mating surface of the plate and the entrance guide .

Subtask 25-52-48-420-050-F ** ON A/C NOT FOR ALL

B. Installation of the Entrance Guide

Entrance Guide - FWD and AFT Cargo Compartments ** ON A/C NOT FOR ALL

(1) Put the plate (2) in position and align with the holes in the structure (3).
(2) Put the entrance guide (6) and (5) in position and align with the holes in the structure (3).
(3) Install the screws (1).
(4) Apply Corrosion Preventive Compound-Water Displacing Hard Film - (Material No.12ABB1) to the fasteners and all other connection elements.
(5) Apply Corrosion Preventive Compound-Heavy Duty Soft Film - (Material No.12ACC1) to the material applied on to the fasteners and the connection elements (Ref. AMM TASK 51-75-13-916-002).

5. Close-up
Subtask 25-52-48-860-050-B ** ON A/C NOT FOR ALL

A. Put the aircraft back to the serviceable condition.
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the Y-guide (Ref. AMM TASK 25-52-46-400-001).
(3) Install the floor panels if removed (Ref. AMM TASK 53-22-14-400-001) (Ref. AMM TASK 53-42-14-400-001).

Subtask 25-52-48-865-057-A ** ON A/C NOT FOR ALL

B. 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
2000VU	SEMI AUTO CLS-FWD	3MY	E08
2000VU	SEMI AUTO CLS-FWD	2MY	E06
2001VU	SEMI AUTO CLS-AFT	103MY	D08
2001VU	SEMI AUTO CLS-AFT	102MY	D06

Subtask 25-52-48-410-052-A ** ON A/C NOT FOR ALL

C. Close Access
(1) Remove the WARNING NOTICE(S).
(2) Remove the access platform(s).
(3) Close the forward and/or aft cargo-compartment door (Ref. AMM TASK 52-30-00-860-002).

[Rev.10 from 2021] 2026.03.31 23:38:29 UTC