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112 Alternator support / power plant 5/16  23 204
113 Alternator support / alternator 7/16  68 600
114 Rocker box screw 1/4  5.6 50
115 Injector / power plant   6.7 60
116 Spark plug / power plant   47 420
117 Ignition system nut / spark plug 3/4
5/8 110 to 120 12.5 to 13.6
9 to 10 80 to 89
118 Feeder / starter 5/16  2.7 24
119 Compressor upper attachment / support 3/8  10 to 12 89 to 106
120 * Starter / power plant   23 204
121 Oil line nuts / power plant or oil cooler 19
22  24 to 48 213 to 424
122 Union on oil cooler 3/8  30 to 35 266 to 309
123 Elbow union on union 19  24 to 48 213 to 424

NOTE : Concerning Dia. column, the values given in fraction are in inches, the other values are in mm.
The tightening torque values given in Ibf.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 203
(BA) SEP 04
 

Item Attachment designation Bolt Torques
in N.m Torques
in lbf.in
  Dia. Pitch  
124 Engine / engine mount 7/16  21 to 33 186 to 292
125 Unions on directional gyro and / or "AID" horizon   2.8 Max.
2.2 Max. 25 Max.
20 Max.
 Unions on directional gyro and / or "SIGMATEK" horizon    
     
126 Exhaust adapters / power plant 5/16  18 to 20 160 to 177
127 Slinger ring / rear side plate   3.4 to 4.5 30 to 40
128 * Rear side plate and propeller jet /
three-bladed propeller hub 3/8  27 to 30 239 to 265
129 * Three-bladed propeller / power plant   83 to 97 735 to 858
130 Engine pump / power plant 3/8  25.4 to 28.2 225 to 250
131 Strainer union / injection pump   6.7 to 7.9 60 to 70
132 * Injection pump / power plant   23 204
151 Nose landing gear / landing gear mount 12 1.50 37 327
152 Connecting lever / nose landing mount 10 1.50 Fully tightened by hand
and pinned
153 * Engine mount / firewall 8 1.25 11 97
　
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