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Aft Lower Engine Mount Installation
Figure 2-1 (Sheet 2)

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ITEM NO.  PART NUMBER  NOMENCLATURE  UC  QTY 
2-1  AFT LOWER ENGINE MOUNT INSTALLATION (FIGURE 2-1, SHEET 2) CAUTION: USE CARE TO PREVENT DAMAGE TO EXTERNAL COATING ON ENGINE MOUNT. IF DAMAGE OCCURS, REFER TO 757 COMPONENT MAINTENANCE MANUAL, 71-21-15, PW2000 ENGINE MOUNT ASSY, FOR APPROVED REPAIR. APPLY ANTI-SEIZE COMPOUND TO THREADS AND SHANKS OF SHOULDER BOLTS (50). INSTALL WASHERS (55) ON SHOULDER BOLTS (50) AND INSTALL THROUGH ENGINE CASE AND ENGINE MOUNT ASSY (5). SECURE WITH ITEMS (60 THRU 65). TIGHTEN NUTS (65) TO 2600-3400 LB-IN. DO NOT TURN BOLT TO TIGHTEN NUT. NOTE: IF UNABLE TO TIGHTEN NUT, TIGHTEN BOLT TO 3060-3740 LB-IN. 
50  310N3036-1  . BOLT SHOULDER  2 
55  311A1099-18  . WASHER  2 
60  310T3151-14  . WASHER-SPECIAL  2 
65  BACN11Z14C  . NUT APPLY ANTI-SEIZE COMPOUND TO THREADS AND SHANKS OF BOLTS (70). INSTALL WASHERS (75) ON BOLTS (70) AND INSTALL THROUGH SHOULDER BOLTS (50). SECURE WITH ITEMS (80 THRU 85). TIGHTEN NUTS (85) TO 90-125 LB-IN.  2 
70  BACB30LE5U88  . BOLT  2 
75  BACW10BP5ACU  . WASHER  2 
80  310N3151-1  . WASHER-SPECIAL  2 
85  BACN11Z5C  . NUT  2 

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Aft Lower Engine Mount Installation
Figure 2-1 (Sheet 3)

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ITEM NO.  PART NUMBER  NOMENCLATURE  UC  QTY 
2-1 -90 -105 -105 -110  SL4121-12 BACB30PN12-28M BACB30PN12-28 BACW10BP12ACU  AFT LOWER ENGINE MOUNT INSTALLATION (FIGURE 2-1, SHEET 3) PLACE NON-ILLUSTRATED ITEMS (-90 THRU -110) IN A BAG AND SECURE TO MOUNT (5). . BARREL NUT ASSY (V97393) . BOLT . BOLT (REPLACED BY BACB30PN12-28M) . WASHER  VEN LTD  2 4 -4 

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PW2000 SERIES ENGINES

757
POWERPLANT BUILDUP MANUAL

FIGURE 2-2
FORWARD LOWER ENGINE MOUNT
INSTALLATION

REF QEC TASK NO.: 2
REF DWG: 310N3020

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P/P BUILDUP FIGURE 2-2 Page 1 May 05/2009
 

Forward Lower Engine Mount Installation
Figure 2-2 (Sheet 1)

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ITEM NO.  PART NUMBER  NOMENCLATURE  UC  QTY 
2-2  FORWARD LOWER ENGINE MOUNT INSTALLATION (FIGURE 2-2, SHEET 1) LUBRICATE BOLTS (10) WITH ANTI-SEIZE COMPOUND. POSITION MOUNT (5) ON ENGINE, ALIGN SHEAR PIN FITTING WITH ENG CASE AND SECURE WITH ITEMS (10 THRU 15). TIGHTEN BOLTS TO 600-700 LB-IN. 
5  310N3020-145  . ENGINE MOUNT ASSY  1 
　
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