Safety Device - Presser Foot & Needle Clamp - ELNA 745 Service Manual

SAFETY DEVICE - PRESSER FOOT & NEEDLE CLAMP
1. Remove: Mains lead
2. Open Lamp Cover.
3. Check and make sure that when presser foot lever "a" and needle clamp safety lever "c"
are in up potition, lever "b" of Safety lever cam turns off the micro switch.
4. Lower lever "a" or swing down needle clamp safety lever "c" to the right.
Check if lever "b" turns on the micro switch.
5. If not, lower lever "a" and swing down lever "c" to the right so that the micro switch is
turned off. Loosen screw "e" on safety lever "d" and adjust the position of safety lever
"d" to get the gap 0
6. Fasten screws "e" tightly.
SWITCH
ON
SWITCH
OFF
SWITCH
ON
b
SWITCH
OFF
0.2mm as shown in Fig. 3.
~
b
a
UP
Fig.1
DOWN
c
DOWN
Fig.2
d
UP
20
0~0.2mm
e
2 mm
Fig.3