(2)
Read and make sure you fully understand these precautions before you start work with hydraulic fluid.
(a)
Before you start work, clean your hands, wrists and forearms and apply barrier cream.
(b)
Apply barrier cream under your fingernails and into creases of your skin.
(c)
Put on goggles when you do pressure test components or systems, or when there is a possibility that fluid splashes into your eyes.
(d)
If hydraulic fluid gets into your eyes, immediately irrigate your eyes with clear cold water and report the incident.
(e)
Always clean your hands, wrists and forearms with soap and warm water when it was necessary to touch hydraulic fluid.
(f)
Remove clothing which is soaked with hydraulic fluid as soon as possible.
Subtask 29-00-00-941-052
B. Technical Precautions
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.
NOTE : Obey these technical precautions when you work on the hydraulic
____ system. Hydraulic fluid causes damage to many materials, included are:
-rubber
-copper
-titanium
-plastics
-paints.
(1)
Make sure that the hydraulic fluid does not touch the aircraft other than components in the hydraulic system. Keep to a minimum the hydraulic fluid which falls accidentally during maintenance. Clean up such hydraulic fluid so that it can not go into adjacent areas. This is also to prevent future incorrect reports of hydraulic fluid leaks. When you clean up hydraulic fluid, use dry cloth and clean the area with CLEANING AGENTS (Material No. 11-003).
(2)
When you clean metal parts, before you assemble them, use only CLEANING AGENTS (Material No. 11-003). Make sure that all of the solvent is removed before you assemble the parts.
(3)
Use only approved hydraulic fluid when you fill the reservoirs, filter bowls, pumps or other hydraulic components before installation.
(4)
Make sure that you prevent the contamination of hydraulic fluids with unapproved hydraulic fluids, fuels, oil, water or unwanted material.
(5)
If a system becomes contaminated, keep the hydraulic fluid so that you can make an analysis of it.
(6)
Before you connect the ground power supply to the aircraft, make sure that the fluid specifications (of the cart and the aircraft) are the same.
TASK 29-00-00-870-001
Bleeding Procedure of the Green Hydraulic System Upstream of the Engine Pump
WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______ START A TASK ON OR NEAR:
-
THE FLIGHT CONTROLS
-
THE FLIGHT CONTROL SURFACES
-
THE LANDING GEAR AND THE RELATED DOORS
-COMPONENTS THAT MOVE.
WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS ARE CLEAR.
_______ MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE.
1. Reason for the Job
__________________
Do this procedure after maintenance of the Green hydraulic system upstream of the engine pump.
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s) No specific container No specific Torque Wrench : range 96.00 to 900.00 lbf.in
(1.00 to 10.00 m.daN)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
12-12-29-611-001 Fill the Hydraulic Fluid Reservoir with a Hand Pump 12-12-29-611-002 Fill the Hydraulic Fluid Reservoir with a Hydraulic
Service Cart 29-00-00-910-002 Safety Procedures of the Hydraulic System 29-14-00-614-001 Depressurization of the Hydraulic Reservoirs 29-14-00-614-002 Pressurization of the Hydraulic Reservoirs through
the Ground Connector 71-13-00-010-040 Opening of the Fan Cowl Doors
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