LUBRICATION - DESCRIPTION AND OPERATION
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1. General
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The lubrication instructions define:
-Specification of the lubricant to be used
-Points to be lubricated
-
Special precautions to be observed.
A.
Equipment and Materials
Depending on the type of lubrication, use:
-a grease gun
-an oil can
-
a brush
-
a clean lint-free cloth
-an aerosol spray.
B.
Lubricant Specifications The lubricant references are given in the list of materials required for aircraft servicing and maintenance (Ref. ATA 20-31).
C.
General Requirements
(1)
Use only clean lubricants and tools for lubrication operations.
(2)
Before starting any lubricating operation, carefully clean the grease nipples lubricating holes. Lubrication must be accomplished immediately. Check that grease nipples and fitted with ball and spring.
(3)
Ensure that the old grease exudes through the pressure relief valves and on each side of the spherical bearings (unless the quantity of grease to be used is indicated).
(4)
After lubrication, remove all surplus grease. Wipe the grease nipple with a clean, lint-free cloth. Check that the ball and its spring are in position.
(5)
Before lubrication, the wheel bearings should be cleaned. The bearings should be lubricated and installed immediately.
D.
Lubrication Symbols
(Ref. Fig. 001)
The symbols used represent the recommended lubrication method.
Below each symbol, an index indicates:
-First term : the lubrication point location
-Second term : the lubricant to be used.
Lubrication Symbols
Figure 001
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FLIGHT CONTROLS - SERVICING
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TASK 12-22-27-640-003
Lubrication of Trimmable Horizontal Stabilizer Actuator Ball Screw Nut
WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
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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 GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
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GEAR.
1. Reason for the Job
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Refer to the MPD TASK: 274451-01
2. Job Set-up Information
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A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
No specific container 1l
No specific gun - grease
No specific pin - non-metallic
No specific safety barriers
No specific warning notice
No specific access platform 4.5 m (14 ft. 9 in.)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R Material No. 04-004 USA MIL-PRF-23827 TYPE I SYNTH.ESTER BASED GREASE HIGH PRESSURE (Ref. 20-31-00)
Material No. 19-003 USA AMS 3819
LINT-FREE COTTON CLOTH (Ref. 20-31-00)
C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R 24-41-00-861-002
R
R 24-41-00-862-002
R
R 29-23-00-863-001
R
R
R 29-23-00-864-001
R
R 29-24-00-863-001
R
R 29-24-00-864-001
R 31-60-00-860-001
R 31-60-00-860-002
12-22-27-991-003
3. Job Set-up__________
Energize the Aircraft Electrical Circuits from the External Power De-energize the Aircraft Electrical Circuits Supplied from the External Power Pressurize the Green Hydraulic System from the Yellow Hydraulic System through the PTU with the Electric Pump Depressurize the Green and Yellow Hydraulic Systems after Operation of the PTU Pressurize the Yellow Hydraulic System with the Electric Pump Depressurize the Yellow Hydraulic System EIS Start Procedure EIS Stop ProcedureFig. 301 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320飞机维护手册 AMM SERVICING 2
