4
“ ª° ¢» ÁÕ ºÀ ˘ æ
£ ¨œ »Ω ´13∫ Õ
14¡ ¨Ω ”∫ √.
π” √ƒ ⁄¡ ˘Ω «∞ ‚ ÷Ω ´2∫ Õ
3Õ ®π ˝16∫ Õ
18
« ·À ¯‘ ⁄1… œ
. ( ¬ ›À ®œ »≤ ªÀ ¯Ω Ù
)
1
3
2
16
18
16
18
16
18
13
14
I. As
shown in the figure, firstly connect part 13 and 14, and then use inner hexagon spanner to lock part 2 and 3
onto part 1 lightly through 16 and 18.