(c)
Remove the fixed YZ-latch (2) from the structure (3).
TASK 25-52-44-400-001
Installation of the Fixed YZ-Latch and YZ-Guide Rail
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific wooden or plastic scraper
No specific access platform 2.1 m (6 ft. 11 in.)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 04-004 USA MIL-PRF-23827 TYPE I SYNTH.ESTER BASED GREASE HIGH PRESSURE (Ref. 20-31-00)
Material No. 05-002 USA MIL-P-8116 PUTTY, ZINC CHROMATE GENERAL PURPOSE (Ref. 20-31-00)
Material No. 05-005D USA MIL-C-16173 GRADE II CORROSION PREVENTIVE (OBSOLETE USE 15-007) (Ref. 20-31-00)
Material No. 09-005 USA MIL-S-81733 CLASS C CORROSION INHIBITIVE INTERFAY SEALANT (Ref. 20-31-00) Material No. 11-003 USA ASTM D 740 METHYL-ETHYL-KETONE (Ref. 20-31-00)
Material No. 15-006 AIB TN 10138 TYPE I GRADE 3 CORROSION PREVENTIVE TEMPORARY PROTECTIVE COMPOUND (Ref. 20-31-00)
C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
51-75-13-916-002 Repair to a layer of Corrosion Preventive Compound 52-30-00-860-001 Open the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump 52-30-00-860-002 Close the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump 53-42-14-400-001 Installation of the AFT Cargo-Compartment Floor-Panels Zone 150 25-52-44-991-001 Fig. 401
3. Job Set-up
__________
Subtask 25-52-44-860-050
A. Aircraft Maintenance Configuration
(1)
Make sure that the FWD and/or AFT cargo-compartment door is opened and safetied with the actuator safety locks (Ref. TASK 52-30-00-860-001).
(2)
Make sure that the access platform is in position at the opening of the applicable cargo compartment door.
(3)
Make sure that the warning notice is in position at the applicable control panel of the cargo loading system.
Subtask 25-52-44-865-054
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL SERVICE IDENT. LOCATION -------------------------------------------------------------------------------2000VU SEMI AUTO CLS-FWD 2MY B3 2000VU SEMI AUTO CLS-FWD 3MY B1 2001VU SEMI AUTO CLS-AFT 102MY E3 2001VU SEMI AUTO CLS-AFT 103MY E1
4. Procedure
_________
Subtask 25-52-44-910-056
A. Preparation for Installation WARNING : USE SOLVENTS/CLEANING AGENTS, SEALANTS AND OTHER SPECIAL
_______ MATERIALS ONLY WITH A GOOD SUPPLY OF AIR. OBEY THE MANUFACTURERS INSTRUCTIONS. PUT ON PROTECTIVE CLOTHING. DO NOT GET THEM IN YOUR MOUTH. DO NOT SMOKE. DO NOT BREATHE THE GAS. THESE MATERIALS ARE POISONOUS, FLAMMABLE AND SKIN IRRITANT. GET MEDICAL HELP IF YOUR SKIN OR EYES BECOME IRRITATED.
R WARNING : DO NOT GET THE FLUID ON YOUR SKIN OR IN YOUR EYES. IF YOU DO:
_______ R - FLUSH IT AWAY WITH CLEAN WATER R - GET MEDICAL AID.
CAUTION : USE ONLY THE SPECIFIED MATERIALS AND OBEY THE INSTRUCTIONS FROM
_______ THE MANUFACTURERS. OTHER MATERIALS CAN CAUSE DAMAGE TO THE SURFACE PROTECTION OF THE COMPONENTS AND THE RELATED AREA.
(1)
Remove the sealant from the YZ-latch and the structure with CLEANING AGENTS (Material No. 11-003) and awooden or plastic scraper.
(2)
Clean the contact surface of the YZ-latch and the structure.
(3)
Apply COMMON GREASE (Material No. 04-004) to the spindle(s) (7).
(4)
Apply SPECIAL MATERIALS (Material No. 05-002) to the threads of all the bolts (1).
Subtask 25-52-44-420-061
B. Installation of the Fixed YZ-Latch and the YZ-Guide Rail
(1)
Install the fixed YZ-latch
(Ref. Fig. 401/TASK 25-52-44-991-001)
(a)
Apply a layer of SEALANTS (Material No. 09-005) on the mating surface of the YZ-latches.
(b)
Put the YZ-latch (2) in position on the structure (3).
(c)
In the AFT cargo compartment install the bolts (1) and the nuts
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