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Application
No. LH-4128 LH-4128-7 LH-4168-7 LH-4188-7
(with automatic (with automatic thread (with automatic thread
thread trimmer) trimmer incorporating
trimming shuttle rectangular
corner stitching) stitching function)
1 Model Direct-drive, high speed, 2-needle, needle-feed, lockstitch machine
For light-, medium- and heavy-weight materials
Specification S: Standard
Specification F: Foundation
Specification G : Jeans
Specification G: Jeans
3 Max. sewing speed 4000rpm (Specification F: 3000rpm) 3200 rpm
4 Max. stitch length Forward/reverse feed: 5mm (Caution)1.
5 Thread take-up Linked thread take-up lever
6 Needle bar stroke 31.6mm 32.6mm
7 Hook Small hook Large hook
8Not provided Provided
9 Needle
Specification S : DP x 5 #9 to #16, Specification F : DP x 5 #9 to #11,Specification G : DP x 5 #16 to #22 (Caution) 2.
10 Gage size 1/8” to 1-1/2” 1/8” to 1-1/4” 1/8” to 1”
inch (mm) (3.2 to 38.1mm) (3.2 to 31.8mm) (3.2 to 25.4mm)
11 Lift of presser foot 12mm by knee lifter, 5.5mm by hand lifter lever, 9mm by knee lifter with wiper
12 Lubricating oil JUKI NEW Defrix oil No. 1 (equivalent ISO VG7)
JUKI grease A (Part No. : 40006323)
JUKI grease B (Part No. : 40013640)
14 Control box used SC910A -AA (Caution) 3.
15 External dimensions Width: 615mm, Heigh: 420mm, Depth: 267mm (with AK125)
16 Weight of head 65kg (LH-4168-7/AK125)
17 Power consumption 650VA
18 Temperature : 5°C to 35°C, Humidity : 35% to 85% (no condensation)
19 Rated voltage ± 10%, 50/60Hz
20 Approx. 83dB A
Shipping voltage classification
3 100 to 120V
4 200 to 240V
1. Specifications
(Caution) 1. 4 mm only in the case of Specification F. For other Specifications S and G, 4 mm of normal/reverse feed
stitching is applicable to a maximum sewing speed of 3500 rpm or above.
2. For Specification F, the recommendable needle shall be of 134SES SERV7 Nm65 (equivalent to #9).
3. The control box , , and to be used shall be selected according to the classification specified below.
Model name
Item
Working temperature/
humidity
Supply voltage/
frequency
Separately driven needle
stop mechanism
Control box classification
S JUS (LA): single-phase 100 to 120V PFL
DJUS/General export: 3-phase 200 to 240V PFL
K General export: single-phase 200 to 240V PFL
N CE: single-phase 200 to 240V PFL
U China: single-phase 200 to 240V PFL
13 Grease JUKI grease A (Part No. : 40006323)
2 Application
Control box type classification
S LH-4128, 4128-7
A LH-4128, 4128-7, 4168-7, 4188-7
Audible sound level
(3000rpm)
For medium- and
heavy-weight materials
Specification S : Standard,
Specification G : Jeans
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