Autothrottle System - Inspection/Check
Figure 601 (Sheet 7)
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INDEX NO. PART NAME DIM. DESIGN LIMITS WEAR LIMITS REPLACE PART WORN REPAIR WORN PART REPAIR INSTR
DIAMETER WEAR DIM. MITTED PER- MAX CLEAR-ANCE DIA
MIN MAX
35 RESOLVER CRANK 253U5214-1 ID 0.3763 0.3768 0.3780 0.0025 X
36 BUSHING BACB28Y4C021 OD 0.3756 0.3761 0.3745 X
37 BUSHING BACB28Y4C021 ID 0.2500 0.2515 0.2535 0.005 X
38 BOLT BACB30NF4-16 OD 0.2485 0.2495 0.2460 X
39 BEARING B5538WZZFS428 ID 0.6245 0.6250 0.6255 0.0015 X
40 SHAFT 253U5219-1 OD 0.6240 0.6245 0.6235 X
41 RESOLVER CRANK 253U5214-1 ID 0.2500 0.2610 0.2610 0.0125 X
42 BOLT BACB30NF4-16 OD 0.2485 0.2495 0.2460 X
43 BUSHING BACB28AK04-21 ID 0.2500 0.2505 0.2530 0.0045 X
44 BACB30NF4-16 BOLT OD 0.2485 0.2495 0.2460 X
45 ING ASSY AUTOTHROTTLE HOUS-253U7202 ID 0.2500 0.2505 0.2610 0.0045 X
46 BACB30NF4-16 BOLT OD 0.2485 0.2495 0.2460 X
Autothrottle System - Inspection/Check
Figure 601 (Sheet 8)
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
NO. INDEX PART NAME DIM. DESIGN LIMITS WEAR LIMITS WORN PART REPLACE PART WORN REPAIR INSTR REPAIR
DIAMETER PER-MITTED DIM. WEAR DIA ANCE CLEAR-MAX
MIN MAX
47 253U7202 ING ASSY AUTOTHROTTLE HOUS- ID 0.3750 0.3756 0.3770 0.0030 X
48 BACB28AK04-21 BUSHING OD 0.3740 0.3745 0.3726 X
49 BEARING BACB10AC4A ID 0.2495 0.2500 0.2525 0.004 X
50 BACB30NF4-11 BOLT OD 0.2485 0.2495 0.2460 X
51 253U7202 ING ASSY AUTOTHROTTLE HOUS- ID 0.2500 0.2505 0.2535 0.005 X
52 BOLT BACB30NF4-11 OD 0.2485 0.2495 0.2460 X
53 BACB28AK04-21 BUSHING ID 0.2500 0.2505 0.2530 0.0045 X
54 BACB30NF4-11 BOLT OD 0.2485 0.2495 0.2460 X
55 253U7202 ING ASSY AUTOTHROTTLE HOUS- ID 0.3750 0.3756 0.377 0.003 X
56 BACB28AK04-21 BUSHING OD 0.3740 0.3745 0.3726 X
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