Adjusting Upper Knife Stroke - Yamato VG3511-8F Instruction Manual

7. Trimming mechanism

7.6 Adjusting upper knife stroke

Adjust the stroke of the upper knife to 3.0 - 6.5 ㎜ . It has been adjusted 4.0 ㎜ at shipment. Adjust the stroke
as follows:
(1) Loosen the screws ① to remove the bracket cover ② and the bracket cover gasket ③ .
(2) Loosen the nut ⑤ on the upper knife adjusting lever pin ④ to adjust it.
● To make stroke smaller, move it in the direction Y.
● To make stroke larger, move it in the direction X.
(3) Tighten the nut ⑤ securely.
(4) Loosen the screw ⑦ on the upper knife holder ⑥ to tighten it slightly.
(5) Rotate the handwheel manually to lower the upper knife ⑩ at the lowest point. Move the upper knife holder
⑥ to place the upper knife tip 0.5 ㎜ above the top of the lower knife. Then, tighten the screw ⑦ securely.
(See Fig. 7-12)
(6) Loosen the screw ⑨ on the collar(left) ⑧ . The upper knife ⑩ touches to the lower knife ⑪ with its spring.
(7) Rotate the handwheel manually to check the sharpness of the blades by setting a thread between the upper
knife ⑩ and the lower knife ⑪ .
(8) Set the top of the lower knife ⑪ 7.0 ㎜ apart from the upper knife ⑩ tip (at the base of the blade). Then,
tighten the screw ⑨ securely. (See Fig. 7-12)
(9) Recheck the knives cut properly.
(10) Reset the bracket cover ② and the bracket cover gasket ③ with the screws ① .
⑧
⑩ ⑪
⑨
⑥
⑦
Fig. 7-12
VG3511-8F
⑤
④
③
②
①
Fig. 7-13
38
Ｘ
Ｙ
⑤
④