Before Operation; Specifications; Installation Of The Machine - JUKI DU-140 Instruction Manual

BEFORE OPERATION

CAUTION :
Check the following so as to prevent maloperation of and damage to the machine.
• Before you put the machine into operation for the fi rst time after the set-up, clean it thoroughly .
Remove all dust gathering during transportation and oil it well.
• Confi rm that voltage has been correctly set.
Confi rm that the power plug has been properly connected to the power supply.
• Never use the machine in the state where the voltage type is different from the designated one.
• The direction of normal rotation of the machine is counterclockwise as observed from the pulley side.
Take care not to allow the machine to rotate in the reverse direction.
• When tilting the machine head, tilt it after removing knee lifter hook.
• Never operate the machine unless the machine head and the oil tank have been fi lled with oil.
• For a test run, remove the bobbin and the needle thread.
• For the fi rst month, decrease the sewing speed and run the sewing machine at a speed of 1,800 sti/min or less.
• Operate the handwheel after the machine has totally stopped.

SPECIFICATIONS

Stitch system 1-needle, top & bottom feed, lockstitch machine
Application Medium- to heavy-weight materials
Sewing speed Max. 2,000 sti/min
Stitch length Max. 9 mm
Lift of presser foot By lifting lever 7 mm, By knee lifter 15 mm
Thread take-up Link type thread take-up
Needle bar stroke 35 mm
- Equivalent continuous emission sound pressure level (L
Noise
A-weighted value of 76.5 dB; (Includes K

1. INSTALLATION OF THE MACHINE

Oil pan
Needle
Count of thread to be used #40 to #8
Stitch adjustment method By dial
Lubrication method
Motor to be used
Lubrication oil
) at the workstation:
pA
= 2.5 dB); according to ISO 10821- C.6.2 -ISO 11204 GR2 at 2,000 sti/min.
pA
1. Carry the sewing machine with two persons.
(Caution)
2. Do not put protruding articles such as the screwdriver and the
like at the location where the sewing machine is placed.
3. Mounting positions of the knee lifter and the oil pan
(Caution)
– 1 –
DB×1 #14 to #23 (standard: #21)
(DP×17 #14 to #23)
By an oiler (The hook is automatically lubricated.)
400W clutch motor (4P)
JUKI New defrix oil No.1
Do not hold the handwheel.
The knee lifter should be mounted before the
motor is installed.