4. Procedure
_________
Subtask 32-40-00-210-058-A
A. Visual Inspection of the Brake on Aircraft
(1)
Make sure that there are no leaks of hydraulic fluid on the pistons, the hydraulic lines and the seal couplings.
(2)
Examine the wear indicator
(3)
Make sure that the heat packs are in the correct condition.
(a)
Make sure that the disks can move easily on the torque tube.
(b)
Examine the rotors and make sure that:
-
there is no creep on the outer edge,
-
there are no cracks,
-the rotor can move freely around the torque tube.
-There is damage to the drive blocks.
-
If the damage is within the limits of the acceptance
criteria.
(Ref. Fig. 601/TASK 32-40-00-991-001)
-
If the damage is out the limits of the acceptance criteria
(Ref. TASK 32-42-27-000-001) (Ref. TASK 32-42-27-400-001).
(c)
Make sure that there are no cracks on the stator assembly.
(d)
Make sure that there are no cracks or signs of too much heat on the torque tube.
(e)
Make sure that the probe of the temperature sensor moves freely.
(f)
Make sure that the finish of the hydraulic crown is in the correct condition.
(g)
Make sure that the play of the brake release is correct. Make sure that none of the pistons move.
(h)
If the inspection shows damage that can prevent the normal operation of the brake unit :
-remove the brake unit (Ref. TASK 32-42-27-000-001) R - do a visual inspection of the axle sleeve and of the axle to R make sure that these parts are in the correct condition.
-install new brake unit (Ref. TASK 32-42-27-400-001)
1EFF : ALL 1 32-40-00Page 609 1 1 Aug 01/05 1 1 1CES 1
Acceptance Criteria for the Damaged Drive Blocks Figure 601/TASK 32-40-00-991-001
1EFF : 1 1R 1CES ALL 1 11 1 32-40-00 Page 610 Aug 01/99
5. Close-up
________ Subtask 32-40-00-860-051
A. Aircraft Maintenance Configuration
(1) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
Subtask 32-40-00-410-051
B. Close Access
(1)
CLose the access doors, the access panels and the doors of the landing gears. (Ref. TASK 32-12-00-410-001) (Ref. TASK 32-22-00-410-001)
(2)
If removed, install the brakes (Ref. TASK 32-42-27-400-001).
(3)
If removed, install the wheels (Ref. TASK 32-41-11-400-006).
1EFF : ALL 1 32-40-00Page 611 1 1 Aug 01/05R 1 1 1CES 1
Acceptance Criteria For the Damaged Drive Blocks Figure 602/TASK 32-40-00-991-002
1EFF : 1 1R 1CES ALL 1 11 1 32-40-00 Page 612 May 01/05
WHEELS AND BRAKES - CLEANING/PAINTING
_____________________________________
TASK 32-40-00-100-001
Cleaning/Painting of the Wheels and Brakes
1. Reason for the Job
__________________
Removal of Corrosion
To remove all signs of corrosion before you repair the paint. This is to
keep the brakes and wheels as clean as possible.
Repairs of paint that is resistant to Skydol.
To prevent corrosion of metal (aluminum alloy, steel) surfaces where paint
is removed.
2. Job Set-up Information
______________________
A. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 11-002 USA MIL-PRF-680
DRY CLEANING SOLVENT (VARSOL/WHITE SPIRIT)
(Ref. 20-31-00)
R Material No. 11-003 USA ASTM D 740 METHYL-ETHYL-KETONE (Ref. 20-31-00) Material No. 12-003 X (Ref. 20-31-00)
Material No. 13-001 USA MIL-C-10578 TYPE II
CORROSION REMOVER PHOSPHORIC ACID BASE
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