AVR 505 (serv.man13) - Harman Kardon Audio EMC - CB Certificate (repair manual). Page 33

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 - 
IEC 60065, 6th edition : 1998
 - 
- Page 29 of 37 - 
 
 
   
 Order 
No. 
11151
 
 
 
 
17 ELECTRICAL 
CONNECTIONS 
AND MECHANICAL FIXINGS   
 
17.1 
Torque test to Table 12:   
 
Screw Diameter 
With 
Without
Material 
 
Torque test (Nm) 
Location/function 
  (mm) 
head 
head 
Screw 
Nut 
 
Fulfilled /Remarks 
 
 
 
 
 
 
 
Fixing of top cover 
(Rear)  
3 x 
 
Metal Metal 
Tested with 0,5 Nm,   
5 times / Pass
 
Fixing of top cover 
(Sides)  
4 x 
 
Metal Metal 
Tested with 1,2 Nm,   
5 times / Pass
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
17.2 
Correct introduction into female 
threads in non-metallic material   
No female threads in non-metallic materials 
17.3 
Cover fixing screws: captive   
Captivity not necessary, see below 
 
Non-captive fixing screws: no hazard 
when replaced by a screw whose 
length is 10 times its diameter   
Tested with screw with 10 times diameter. 
17.4 
No loosening of conductive parts 
carrying a current > 0,2 A   
Loosening is sufficiently prevented 
 
17.5 
Contact pressure not transmitted 
through plastic other than ceramic 
for connections carrying a current 
> 0,2 A   
No contact pressure transmitted through insulating 
material.  
17.6 
Stranded conductors of flexible 
supply cords carrying a current 
> 0,2 A with screw terminals not 
consolidated by solder   
No screw terminals 
17.7 
Cover fixing devices other than 
screws have adequate strength and 
their positioning is unambiguous   
No cover fixing devices other than screws   
17.8 
Fixing devices for detachable legs or 
stands provided   
No detachable provided 
   
17.9 
Internal pluggable connections, 
affecting safety, unlikely to become 
disconnected  
Connections complies, checked by inspection 
 
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