Table of Contents
Advertisement
1. SPECIFICATIONS
Model
Class name
Application
Sewing speed
3-needle
Needle gauge
2-needle
Feed ratio
Stitch length
Noise
2. ADJUSTMENT PROCEDURE OF ENGAGEMENT AMOUNT OF KNIVES
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the follow-
ing work after turning the power off and ascertaining that the motor is at rest.
0.5 mm
❶
MF-7900-E11
Right-hand fabric undertrimmer for pre-closed elastic attaching with tension roller
Pre-closed waist elastic attaching of men's brief, trunks, etc.
(Waist elastic width up to 40 mm)
Max. 5,000 sti/min (provided with PL12 or PL13)(at the time of intermittent operation)
Speed of stitch at the delivery. 4,000 sti/min(provided with PL12 or PL13)
(at the time of intermittent operation)
5.6 mm, 6.4 mm
4.0 mm
1 : 0.7 to 1 : 1 (Pitch less than 2.5 mm)
0.9 to 3.6 mm (Adjustable up to 4.5 mm)
- Equivalent continuous emission sound pressure level (L
A-weighted value of 78.5 dB; (Includes K
according to ISO 10821- C.6.2 -ISO 11204 GR2 at 4,000 sti/min.
❸
❷
❸
= 2.5 dB);
pA
When adjusting the engagement, perform the work after
confirming regarding the height of fixed knife ❸ that the
upper surface of the fixed knife is flush with the upper
surface of the throat plate or the former is installed slightly
lower than the latter.
Loosen setscrew ❶ in the state that moving knife ❷ comes
down to its lowest position, and adjust the engagement
amount of the moving knife and fixed knife ❸ to approximate-
ly 0.5 mm.
– 1 –
) at the workstation:
pA
Advertisement
Table of Contents
