## Customer : Y1 0 Manual: AMMJIC Type: ATR72 Selected effectivity: ALL Rev. Date: Mar 01/12 

# All JIC 71-20-00 DVI 10000: DETAILLED VISUAL INSPEC OF ENGINE SHOCKMOUNTS 

# DETAILLED VISUAL INSPEC OF ENGINE SHOCKMOUNTS ''ONAICALL NEWTASK TECHNICAL OATA 

## ZONING DATA ACCESS : 435AL 435AT 435BT 436AR 445AL 445AT 445BT 446AR 475AL 476AR ZONE: 400 435 445 475 485 PREPARATION WORK ELAPSES TIME GSE PUBLICATIONS TASK DESCRIPTION 001 WARNING SKILL MECHANIC 01 ACCESS PLATFORM 01"GO NO GO" GAGE 01 SLIDE GAGE

INSTALL WARNING NOTICE IN FLIGHT COMPARTMENT INDICATING THAT WORK ON ENGINES IS IN PROGRESS. 002 PREPARATION 1. INSTALL ACCESS PL ATFORM AT LEVEL OF CONCERNED ENGINE. 2. INSTALL FIRE FIGHTING EQUIPMENT. 003 REMOVAL OF FORWARD UPPER ENGINE COWL 435AT (445AT) MEN 02
T400215-2 MAN-HOURS



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### Customer :Y1 0 Manual: AMMJIC Type: ATR72 Selected effectivity: ALL Rev. Date : Mar 01/12 JIC 71-20-00 DVI10000 : DETAILLED VISUAL INSPEC OF ENGINE 1. REMOVAL OF FORWARD UPPER ENGINE COWL 435AT (445AT) : REF. FIG. :540000-RAI-00120 A. REMOVE SCREWS (24), (26) AND WASHERS (23) AND (27). REMOVE SCREWS (21) AND WASHERS (22) . B. REMOVE COWL. 

### SHOCKMOUNTS

004 REMOVAL OF LATERAL ENGINE COWL 473AL(483AL) LEFT SIDE OF NACELLES REF. FIG. :540000-RAI-00140 1. OPEN QUICK ATTACH/DETACH FASTENERS (61) AND REMOVE PANEL. 005 REMOVAL OF LATERAL ENGINE COWL 474AR(484AR) RIGHT SIDE OF NACELLES REF. FIG. :540000-RAI-00140 1. OPEN QUICK ATTACH/DETACH FASTENERS (61) AND REMOVE PANEL. 006 DETAILLED VISUAL INSPECTION OF ENGINE SHOCKMOUNTS REF. FIG. :712000-GVI- 00100 1. CHECK OF FORWARD UPPER SHOCKMOUNT (1) A. CHECK SHOCKMOUNT MECHANICAL INTEGRITY (CRACKS). REPLACE IT IF NECESSARY. B. CHECK CONDITION OF ELASTOMERIC BLOCKS (DEBONDING OR TEARING). REPLACE THEM IF THE DEFECT IS GREATER OR EQUAL TO : 1.0 IN. (25 MM) LENGTH AND/OR 1/8 IN. (3 MM) DEEP. C. CHECK THAT LOCKWIRES ARE IN PLACE. 2. CHECK OF FORWARD LATERAL SHOCKMOUNTS (2): A. CHECK SHOCKMOUNTS MECHANICAL INTEGRITY (CRACKS). REPLACE THEM IF NECESSARY. B. CHECK CONDITION OF ELASTOMERIC BLOCKS (DEBONDING OR TEARING). REPLACE THEM IF THE DEFECT IS GREATER OR EQUAL TO : 1.0 IN. (25 MM) LENGTH AND/OR 1/8 IN. (3 MM) DEEP. C. CHECK THAT COTTER PINS ARE IN PLACE. 3. CHECK AFT LATERAL SHOCKMOUNTS (3): A. CHECK SHOCKMOUNTS MECHANICAL INTEGRITY (CRACKS). REPLACE THEM IF NECESSARY. B. CHECK CONDITION OF ELASTOMERIC BLOCKS (DEBONDING OR TEARING). REPLACE THEM IF THE DEFECT IS GREATER OR EQUAL TO : 1.0 IN.(25 MM) LENGTH AND/OR 1/8 IN. (3 MM) DEEP. 

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## Customer :Y1 0 Manual: AMMJIC Type: ATR72 Selected effectivity: ALL Rev. Date: Mar 01/12 JIC 71-20-00 DVI10000: DETAILLED VISUAL INSPEC OF ENGINE C. CHECK THAT COTTER PINS ARE IN PLACE. NOTA 1 : RH AFT LATERAL SHOCKMOUNT ENGINE STOPPED, SHOCKMOUNT MAY BE IN CONTACT WITH THE LOWER PLATE. NOTA 2 : LH AFT LATERAL SHOCKMOUNT CONTACT MARKS ON THE LOWER SNUB PLATE ARE PERMISSIBLE AND ARE NOT GROUNDS FOR SHOCKMOUNT REMOVAL. 007 DETAILLED CHECK OF ENGINE SHOCKMOUNTS REF. FIG. :712000-CHK-00100 1. CHECKING OF FORWARD LATERAL SHOCKMOUNTS A. POSITION "GO NO GO" TOOL T400215-2 ON LEFT AND RIGHT FOWARD LATERAL SHOCKMOUNTS AND CHECK FOR PLAY. IF NOT PLAY (CLEARENCE), REPLACE ELASTOMER!( BLOCKS ON BOTH FORWARD LATERAL SHOCKMOUNTS AND ON THE FORWARD UPPER SHOCKMOUNT. B. WITH A CALIPER GAGE, MEASURE DEFLECTIONS OF LEFT THEN RIGHT FORWARD LATERAL SHOCKMOUNTS (SEE FIGURE). IF THE DIFFERENCE BETWEEN THE TWO MEASUREMENTS IS GREATER THAN 0.12 IN (3 MM), REPLACE TORQUE TUBE. 2. CHECK OF AFT LATERAL SHOCKMOUNTS : A. MEASURE FORWARD AND AFT PLAY (CLEARENCE) ON THE LOWER STOP OF LEFT SHOCKMOUNT. IF THE AVERAGE PLAY (CLEARENCE) IS LESS THAN 0.16 IN (4 MM), REPLACE SHOCKMOUNT. 

## SHOCKMOUNTS

0081NSTALLATION OF LATERAL ENGINE COWL 474AR (484AR) RIGHT SIDE OF NACELLES REF. FIG. :540000-RAI-00140 1. CHECK FOR CORRECT CONDITION OF COWL (60). 2. POSITION COWL, CENTER CORRECTLY AND SECURE USING QUICK ATTACH/DETACH FASTENERS (61) 3. IF NECESSARY, RESTORE THE RED IDENTIFICATION MARKS ON THE QUICK ATTACH/DETACH FASTENER HEADS (61). 0091NSTALLATION OF LATERAL ENGINE COWL 473AL (483AL) LEFT SIDE OF NACELLES REF. FIG. :540000-RAI-00140 1. CHECK FOR CORRECT CONDITION OF COWL (60). 2. POSITION COWL. CENTER CORRECTLY AND SECURE USING QUICK ATTACH/DETACH FASTENERS (61). 3. IF NECESSARY, RESTORE THE RED IDENTIFICATION MARKS ON THE QUICK ATTACH/DETACH FASTENER HEADS (61). 

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### Customer :Y10 Type: ATR72 Rev. Date : Mar01/12 Manual: AMMJIC Selected effectivity: ALL JIC 71-20-00 DVI10000 : DETAILLED VISUAL INSPEC OF ENGINE SHOCKMOUNTS 010 INSTALLATION OF FORWARD UPPER ENGINE COWL 435AT (445AT) 1. INSTALLATION OF FORWARD UPPER ENGINE COWL 435AT(445AT) REF. FIG. :540000- RAI- 00120 A. CHECK FOR CORRECT CONDITION OF COWL. B. POSITION COWL AND SECURE WITH : -SC REWS (24), (26) AND WASHERS (23), (27) . -SCREWS (21) WITH WASHERS (22). 011 CLOSE-UP 1 . R E MOVE STEP LADDER (OR PLATF ORM). 2. RESTORE THE A I RCRAFT TO NORMAL OPERATING CONDITION. 3 . R E

MOVE WARNING NOTICES. 4. REMOVE FIRE FIGHTING EQUIPMENT. 

### (RefFig. 7 1-20-00 VISUAL I NSPECTION OF ENGI NE SHOCKMOUNTS) RefFi . 71-20-00 CHECK OF ENGINE SHOCKMOUNTS

.. 1-20-00 VISUAL INSPECTION OF ENGINE SHOCKMOUNTS



## ~1-20 **00** CHECK OF ENGINE SHOCKMOUNTS



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## Customer : Y1 0 Manual: AMMJIC Type :ATR72 Selected effectivity: ALL Rev. Date: Mar 01/12 JIC 71-20-00 DVI10000 : DETAILLED VISUAL INSPEC OF ENGINE

o436 AT (44& AT)

SECTION 

## E-E

SECTION 

## 0 ·0

ENGINE MOUNT BATt MOTEUR SJ5 540000 RAI 00120 003 CAB 

## SHOCKMOUNTS



# r· c

SECTION 

# C·C



# ~22 21 Figure 54-00-00-RAI-00120-003- FWD UPPER ENGINE COWL 

# .,. c

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## Customer : Y1 0 Manual: AMMJIC Type: ATR72 Selected effectivity: ALL Rev. Date: Mar01/12 

# All JIC 71-20-00 DVI10000: DETAILLED VISUAL INSPEC OF ENGINE

473AL/474AR (483AL/484AR) SECTION 

# E·E

SECTION 

# D·D

9SMJ 540000 RAI 00140-Q02 AAB FAB 

## SHOCKMOUNTS

SECTION 

# C·C **c~** I 

## 4!

SECTION 

# B·B



# J~~J 61

61

Figure 54-00-00-RAI-00140-002- LATERAL PANELS 

# B 

# J

J)



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## Customer : Y1 0 Manual:AMMJIC Type: ATR72 Selected effectivity: ALL Rev. Date : Mar01/12 JIC 71-20-00 DVI10000 : DETAILLED VISUAL INSPEC OF ENGINE SHOCKMOUNTS

SJ5 712000 GVI 00100 005 C AC Figure 71-20-00-GVI-00100-005- VISUAL INSPECTION OF ENGINE SHOCKMOUNTS



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## Customer :Y10 Manual: AMMJIC Type: ATR72 Selected effectivity: ALL Rev. Date: Mar 01/12 JIC 71-20-00 DV110000 : DETAILLED VISUAL INSPEC OF ENGINE SHOCKMOUNTS

-REAR LAT. SHOCKMOUNT

- ATIACHE LAT. AR.

- LH SHOCKMOUNT : CHECK THAT C1 +C2 > 0, 160 in. I'mml -2- -ATTACHE GAUCHE : VERIFIER QUE C1 + C2 > 4 mm (0. 160 in.) -2-

9SMJ 712000 CHK 00100-003 AAD/FAD · "GO NO GO'' GAUGE •OUnUAGE "GO NOGO" 

# I

·CHECKTHAT A> 0 • VERIAER QUE A> 0

LEFT LATERAL MOUNT MEASUREMENT RIGHT LATERAL MOUNT MEASUREMENT MESURE SUR SUSPENSION GAUCHE MESURE SUR SUSPENSION DRQITE 

# ! XL OR XR

-CHECK THAT XL- XR • 0,120 in. (3 mml

- VERIFIER OUE XL- XR c 3 mm (0, 120ln.) Figure 71-20-00-CHK-00100-003- CHECK OF ENGINE SHOCKMOUNTS



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