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 TASK 56-10-00-200-004

 Measurement of Scratch Depth with MITUTOYO Surface Tester SJ201
 1. Reason for the Job
__________________
 This procedure tells you how to measure the depth of scratches on the glass windows with MITUTOYO surface tester SJ201.
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
SJ201 1 SURFACE TESTER
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
56-11-11-200-001 Inspection of the Windshields 56-11-12-200-001 Inspection of the Fixed Windows 56-12-11-200-001 Inspection of the Sliding Windows 56-10-00-991-005 Fig. 601
 3. Job Set-up
__________ Subtask 56-10-00-941-064
 A. General
 (1) Do this procedure to measure the scratches during :
 -windshield inspection (Ref. TASK 56-11-11-200-001),
 -fixed window inspection (Ref. TASK 56-11-12-200-001),
 -sliding window inspection (Ref. TASK 56-12-11-200-001).
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 4. Procedure
_________

 Subtask 56-10-00-220-055
 A. Measurement Procedure
 (Ref. Fig. 601/TASK 56-10-00-991-005)

 (1)
 Push the POWER/DATA key (3).

 (2)
 Press the START/STOP key (1).

 -the detector moves.

 (3)
 Push the PARAMETER key (2) until parameter Ry is shown on the LCD (4).

 (4)
 Put the SURFACE TESTER (SJ201) in position on the window to make the detector travel direction perpendicular to the scratch.

 (5)
 Press the START/STOP key (1):

 -the detector moves to measure the depth of the scratch
 -when the measurement is completed, the measured value is shown on the LCD (4).

 (6)
 Because the depth of the scratch can be different along its length, measure the depth at a minimum of 3 locations along the scratch:

 -at each end and in the middle of the scratch
 - or more if it is a long scratch.

 (7)
 Compare the largest depth value measured with the scratch depth limit values given in the figure related to the scratch inspection (Ref. TASK 56-11-11-200-001) or (Ref. TASK 56-11-12-200-001) or (Ref. TASK 56-12-11-200-001).

 (8)
 When the power is off, push the POWER/DATA key and the START/STOP key

 (1) at the same time.
 -this retracts the detector.
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 Surface Tester SJ201
 Figure 601/TASK 56-10-00-991-005
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 COCKPIT - CLEANING/PAINTING
___________________________
 TASK 56-10-00-110-001
 Cleaning of the L/R Windshields
 WARNING : MAKE SURE THAT THE CIRCUIT BREAKERS RELATED TO THE WEATHER RADAR ARE
_______
 OPENED, SAFETIED AND TAGGED.

 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific chamois leather
 No specific circuit breaker(s) safety clip(s)
 No specific sponge
 No specific warning notice
 No specific access platform 3.45 m (11 ft. 4 in.)

 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R Material No. 11-002  USA MIL-PRF-680 DRY CLEANING SOLVENT (VARSOL/WHITE SPIRIT) (Ref. 20-31-00)
 Material No. 11-006 USA OM-232-GR-A AMS-3004 MIL-A-6090 METHYL ALCOHOL (Ref. 20-31-00) Material No. 11-008A SOLVENT,WHITE SPIRIT WITH ALCOHOL (Ref. 20-31-00) Material No. 11-010 USA TT-I-735 GRADE A ISOPROPYL ALCOHOL (Ref. 20-31-00) Material No. 11-015 RAIN REPELLENT CLEANING (Ref. 20-31-00) Material No. 11-023 HYDRO-CARBON-BASED CLEANING AGENT (Ref. 20-31-00)
　
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