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Siruba VC008A Instruction Book / Parts List page 30

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後拉引輪調整
當針棒由下死點往上移 24 mm
時,後拉引輪開始轉動,即為
正確之時位關係。
調整時:( 圖 32)
1. 放鬆偏心凸輪 (B) 固定螺絲
(A) 後,再稍鎖緊。
2. 旋轉皮帶輪至上述條件後,
再 鎖 緊 螺 絲 (A), 往 前 轉 時
間變快,往後轉則變慢。
後拉滾輪供給量之調整
1. 取下上蓋。
2. 放鬆連桿 (A) 上之螺帽 (B)( 圖 33)。
3. 將連桿 (A) 前後移動,往前移 (C 方向 ) 則拉
引量小,往後移 (D 方向 ) 則拉引量大。
4. 微量調整時,放鬆螺帽 (A) 將連桿 (B) 上下
移動,往上拉引量變多,往下拉引量變少 ( 圖
34)。
P25
REAR PULLER ADJUSTMENT
圖 32/Fig 32
ADJUSTING OF REAR PULLER
FOR FEEDING LENGTH
圖 33/Fig 33
1.Take off top cover.
2.Loose Screw (B) of Connecting Rod (A).
(Fig. 33)
3.Move Connecting Rod (A) forth for more and
back for less feeding length.
4.For micro adjustment, loose Nut (A) and
move Connecting Rod (B) upward for more
and downward for less feeding length. (Fig.
34)
T h e r i g h t t i m i n g i s w h e n
n e e d l e b a r m o v e s u p w a r d
from bottom dead point about
24 mm, the rear puller starts
running.
For adjustment:(Fig. 32)
1 . L o o s e n S c r e w s ( A ) o n
E c c e n t r i c C a m ( B ) t h e n
slightly tighten them.
2.Turn pulley to have needle
bar and rear puller reach
their proper position. Then
tighten Screws (A).
圖 34/Fig 34

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Vc008