* Z; f+ I$ u% e$ |5 mStandard: IEC 60335-1:1976, 2nd Ed. # r9 ~) A) `$ A9 d- vSub clause: 284 V( c% l) M4 _9 J4 ^& M0 C
Sheet No. DSH-466 7 x& i1 n5 j, T; Q- s8 kSubject: Screws and connections . l( q8 N: L* \" j1 Z" qKey words: - torque test & h1 }$ G, e" W2 _; X5 q, kDecision taken at the 40th CTL meeting 2003 ' V: z, y0 X' G5 k; S: LQuestion:4 U2 ]+ z* ^9 O! {' ^* w9 \
How many times shall screws be tightened and loosened during the torque test in view of& z- S. P" o' D3 I% K% A
previous tests? 5 t6 E3 ?2 I2 {2 r$ E2 ?Rationale:0 v& L! L, F/ _2 R
See question.' H9 ^$ x. u! z7 R. q
Decision:6 a- d8 A: U' }0 @ l% ^1 C1 l
Tests have to be carried out as stated in sub-clause 4.2 of IEC 335-1:1991. The tests are g j( M: c/ x( @. O1 S( q
made on a single sample as delivered, which shall withstand all the relevant tests. 3 |; u5 T* n4 ?( X( o- u ) y5 m5 @) P9 i2 |; d" c[attach]75866[/attach]* \0 s. u% M! g! ^1 X
DSH 4662 N$ }1 D6 y7 v4 d. c' _ }