Lubrication; Attaching The Needle - JUKI MB-1373 Instruction Manual

2-2. Lubrication

WarNING :
to protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
4
1
2
!1
!2

2-3. attaching the needle

WarNING :
to protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
2
3
7
6
!0
9
5
!3
1) Open the sde cover, and apply JUKI New Defrx Ol No. 1 to the
portons shown by the red marks 1 to !2 ( 7 : MB-1377 only).
(Apply approxmately 1 cc of ol to the respectve lubrcatng
places one to two tmes a week.)
2) Loosen connectng screw !3 , tlt the machne head backward
and apply grease (JUKI desgnated grease) to crossed helcal
gear !5 and worm gear !6 .
3) Check, approximately once a week, that oil amount is sufficient
to reach the top of the ol felt placed nsde the bed mountng
base. If the amount of oil is insufficient, add an adequate amount
of ol. At ths tme, also apply ol to crank rod !4 .
2
1
1
– 2 –
8
[caution at the time of lubricating]
1. take care not to allow speed slowing friction
wheel 1 and friction plate 2 to be clogged with
oil to prevent them from the deterioration of
retardation performance. In addition, when the
components are clogged with oil, wipe the oil
from them.
2. take care not to allow the machine belt to
be clogged with oil to prevent it from the
deterioration.
★ Use a standard needle of TQx1 #16.
Loosen setscrew 1 and hold needle 2 wth the long
groove facng toward you. Then fully nsert t nto the
hole n the needle bar, and tghten setscrew 1 .
!4
!5
!6