Installation of the Roller Tracks

TASK 25-52-21-400-001-A
Installation of the Roller Tracks

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

WARNING: BE CAREFUL WHEN YOU REMOVE OR INSTALL THIS EQUIPMENT. THIS EQUIPMENT IS HEAVY (MORE THAN 12 KG (26.5 lb)) AND CAN CAUSE INJURY AND/OR DAMAGE.

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.

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

NOTE: More than one person is necessary for this procedure.

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	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.12ACB1)	Corrosion Preventive Compound-Heavy Duty 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 25-52-22-400-001-A	Installation of the Ball Mats and the Ball Strips
TASK 25-52-24-400-001-A	Installation of the Roller Assembly
TASK 25-52-26-400-001-A	Installation of the Power Drive Unit
TASK 25-52-34-400-001-A	Installation of the XZ-Single Latch 32 and the Proximity Switch
TASK 25-52-34-400-004-A	Installation of the Fixed XZ-Latch for ACT
TASK 25-52-51-400-001-A	Installation of the Servo Mechanism and Actuator
TASK 25-52-53-400-001-A	Installation of the End Stops
TASK 25-52-53-400-002-A	Installation of the Reinforced End Stops for the ACT
TASK 25-53-00-400-001-A	Installation of Drainage - Forward or Aft Cargo Compartments
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)
Roller Track of the FWD Cargo Compartment ** ON A/C NOT FOR ALL
Roller Track of the AFT Cargo Compartment for 2 ACT ** ON A/C NOT FOR ALL
Roller Track of the AFT Cargo Compartment ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 25-52-21-860-050-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 applicable cargo compartment door.
(3) Make sure that the WARNING NOTICE(S) is in position at the applicable control panel of the cargo loading system.

Subtask 25-52-21-860-050-B ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Make sure that the forward or the 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 or aft cargo compartment door.

Subtask 25-52-21-865-059-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
2001VU	SEMI AUTO CLS-AFT	103MY	D08
2001VU	SEMI AUTO CLS-AFT	102MY	D06

4. Procedure
Subtask 25-52-21-910-050-A ** ON A/C NOT FOR ALL

A. Preparation for Installation
(1) Make sure that the parts retained from the removed component are clean and in the correct condition.
(2) Remove the sealant from the roller tracks with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a SCRAPER - WOODEN or SCRAPER - PLASTIC.
(3) Prevent damage to the component interfaces and the adjacent area.
(4) Do an inspection of the component interfaces and the adjacent area.
(5) Apply a layer of Polysulfide Sealant-General Purpose Interfay - (Material No.06AAC1) to the mating surfaces of the roller tracks.
(6) Apply Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the threads of the screws.

Subtask 25-52-21-420-053-B ** ON A/C NOT FOR ALL

B. Installation of the Roller Track in the FWD Cargo Compartment

Roller Track of the FWD Cargo Compartment ** ON A/C NOT FOR ALL

(1) Put the roller track (30) in position on the cross-beams and align the holes of the fork-end (24) with the mounting (20).
(2) Install the bolts (21), the washers (22) and the nuts (23).
(3) Install the screws (1) and the nuts (6) in the roller track (30).
(4) Put the roller tracks (4) and (29) in position on the cross-beams and align the holes of the roller tracks and the cross-beams.
(5) Install the screws (1) and the nuts (9).
(6) Put the plate (28) in position at the joint of the roller tracks (4) and (29).
(7) Install the screws (26),(27) and the nuts (31) in the plate (28).
(8) Install the screws (32) in the roller track (4) and (29).
(9) Put the plate (41) in position at the joint of the roller tracks (29) and (30).
(10) Install the screws (40) and the nuts (43) in the plate (41).
(11) Install the screws (42) and the nuts (43) in the roller track (29) and (30).
(12) Put the fish plates (45) in position.
(13) Install the screws (44) and the nuts (43) in the fish plates (45).
(14) Put the roller track (8) in position and align the holes of the roller track (8) with the holes of the roller track (4).
(15) Install the screws (2) and the nuts (5) in the roller track (4).
(16) Install the screws (3) and the nuts (7) in the roller track (8) and (4).
(17) Install the screws (10) and the nuts (9) in the roller track (8).
(18) Apply Corrosion Preventive Compound-Water Displacing Hard Film - (Material No.12ABB1) to the fasteners and all other connection elements.
(19) Apply Corrosion Preventive Compound-Heavy Duty Soft Film - (Material No.12ACC1) to the material applied to the fasteners and the connection elements.

Subtask 25-52-21-420-050-A ** ON A/C NOT FOR ALL

C. Installation of the Roller Track in the Aft Cargo Compartment

Roller Track of the AFT Cargo Compartment for 2 ACT ** ON A/C NOT FOR ALL

(1) Put the roller track (3) in its correct installation position.
(2) Install the screws (4) and the nuts (5).
(3) Install the screws (1) and the nuts (2) in each cross-beam connection.
(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 to the fasteners and the connection elements.

Subtask 25-52-21-420-050-C ** ON A/C NOT FOR ALL

C. Installation of the Roller Track in the AFT Cargo Compartment

Roller Track of the AFT Cargo Compartment ** ON A/C NOT FOR ALL

(1) Put the roller track (29) in position on the cross-beams and align the holes of the roller track and the cross-beams.
(2) Install the screws (1) and the nuts (9) in the roller track (40).
(3) Put the roller track (29),(40) in position on the cross-beams and align the holes of the roller track and the cross-beams.
(4) Install the screws (1) and the nuts (9).
(5) Put the plates (28) in position at the joint of the roller tracks (4) and (29) and at the joint of the roller tracks (29) and (40).
(6) Install the screws (26), (27) and the nuts (31) in the plate (28).
(7) Install the screws (32) and the nuts (31).
(8) Put the fish plates (33) in position.
(9) Install the screws (30) and the nuts (9) in the fish plates (33).
(10) Put the roller track (8) in position and align the holes of the roller track (8) with the holes of the roller track (40).
(11) Install the screws (2) and the nuts (5) in the roller track (40).
(12) Install the screws (3) and the nuts (7) in the roller track (8) and (40).
(13) Install the screws (10) and the nuts (9) in the roller track (8).
(14) Apply Corrosion Preventive Compound-Water Displacing Hard Film - (Material No.12ABB1) to the fasteners and all other connection elements.
(15) Apply Corrosion Preventive Compound-Heavy Duty Hard Film - (Material No.12ACB1) to the material applied to the fasteners and the connection elements.

5. Close-up
Subtask 25-52-21-410-050-A ** 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 filter holder and the funnel of the drainage system (Ref. AMM TASK 25-53-00-400-001).
(3) Install the end stops (Ref. AMM TASK 25-52-53-400-001).
(4) Install the power drive units (Ref. AMM TASK 25-52-26-400-001).
(5) Install the proximity switches (Ref. AMM TASK 25-52-34-400-001).
(6) Install the XZ-single latch 32 (Ref. AMM TASK 25-52-34-400-001).
(7) Install the servo mechanism (Ref. AMM TASK 25-52-51-400-001).
(8) Install the roller assy (Ref. AMM TASK 25-52-24-400-001).
(9) Install the ball mats and ball strips (Ref. AMM TASK 25-52-22-400-001).
(10) Install the floor panels (Ref. AMM TASK 53-22-14-400-001) (Ref. AMM TASK 53-42-14-400-001).

Subtask 25-52-21-410-050-C ** 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 reinforced end stops (Ref. AMM TASK 25-52-53-400-002).
(3) Install the fixed XZ-latch 32 (Ref. AMM TASK 25-52-34-400-004).
(4) Install the roller assy (Ref. AMM TASK 25-52-24-400-001).
(5) Install the floor panels (Ref. AMM TASK 53-42-14-400-001).

Subtask 25-52-21-410-050-P ** 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 reinforced end stops (Ref. AMM TASK 25-52-53-400-002).
(3) Install the fixed XZ-latch for ACT (Ref. AMM TASK 25-52-34-400-004).
(4) Install the roller assembly (Ref. AMM TASK 25-52-24-400-001).
(5) Install the floor panels (Ref. AMM TASK 53-22-14-400-001) and (Ref. AMM TASK 53-42-14-400-001).

Subtask 25-52-21-865-060-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 25-52-21-942-051-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).

Subtask 25-52-21-942-051-B ** ON A/C NOT FOR ALL

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

[Rev.10 from 2021] 2026.03.31 23:37:54 UTC