TB20 MAINTENANCE MANUAL 20 STANDARD PRACTICES AIRFRAME TB20飞机维护手册 20 标准施工机体(8)

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in lbf.in
  Dia. Pitch  
1 * 1/2 wing splicing O CO CO ,- 1.50
1.25
1 25
11
4.5 221 97 40
2 Wing / fuselage front attachments 12 1.50 45 398
3 * Front attachment on wings 6 1 4.5 40
4 * Coils / spar 8 1.25 11 97
5 * Wing / fuselage main attachment 14 1.50 70 620
6 Wing / fuselage rear attachment 6 1 4.5 40
7 Rear reinforcement plate of wing / floor attachment 5 0.80 2.5 22
8 * Frame C1 / fuselage floor 6 1 4.5 40
9 Rear attachment fitting / rib N1 5 0.80 2.5 22
51 - 52 * Vertical stabilizer / fuselage 6 1 4.5 40
53 * Horizontal stabilizer / frame C9
bracket assembly 6 1 4.5 40
54 Horizontal stabilizer / fuselage 10 1.50 25 221
55 * Hinge bearing / horizontal stabilizer 6 1 4.5 40
56 Impeller / condenser fan   2.8 25
101 * Two-bladed propeller / power plant   83 to 97 735 to 858
102 * Rear side plate and propeller jet /
two-bladed propeller hub 3/8  27 to 30 239 to 265
103 Pulley / alternator 17  47 to 54 417 to 478

NOTE : Concerning Dia. column, the values given in fraction are in inches, the other values are in mm.
The tightening torque values given in lbf.in have been rounded off.
For some tightening torques (marked with an asterisk) a specific tightening process is required - refer to Paragraph C.
For attachments provided with a castellated nut and a pin, tighten to the indicated tightening torque then loosen, if necessary, to introduce the pin.
ABAA
Validity : S / N 1 - 9999 20-00-01Page 202
(BA) JUN 02
 

Item Attachment designation Bolt Torques
in N.m Torques
in lbf.in
  Dia. Pitch  
104 Tachometer sensor support / power plant 1/4  11 97
105 * Vacuum pump / power plant
attachment 1/4  7.9 70
106 Oil filter shroud / power plant   27.1 240
106 Filtering cartridge / power plant   24.4 216
107 Compressor alternator / starter support 5/16  23 204
108 * Compressor oil filling plug   0.7 to 1 6 to 9
109 Idler pulley attachment nut / support 1/2  68 600
110 Alternator / support assembly 3/8  40 360
111 Support assembly / power plant 5/16  23 204
　
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