Adjusting The Position Of The Needle Thread Guide Rod - JUKI MF-7900 Series Engineer's Manual

(4) Adjusting the position of the needle thread guide rod

WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
1. Position of the needle thread guide rod
(1) It is the standard that the height of needle thread guide rods ❶ is the position where the dimensions
from the top surface of needle thread guide base ❷ to the bottom end of the hole are as follows.
• Left needle A : 29 mm
• Middle needle B : 17 mm
• Right needle C : 5 mm
2. Adjusting the position of needle thread guide base and silicon container thread guide
(1) The standard height of the silicon container thread guide ❹ (refer to "2. Configuration of the machine
components) is obtained when setscrew ❺ is installed in the lower end of the slot.
(2) Adjust the lateral position of needle thread guide base ❷ to 29 mm.
Standard adjustment
❶
A
B
C
❷
❸
A: 29 mm, B: 17 mm, C: 5 mm
29 mm
❹
❷
❺
❼
❻
– 10 –
Lowest position