JUKI IP-100A Engineer's Manual page 91

2) Checking lubrication and draining of oil
Check that lubrication and draining of oil are performed in face plate section lubricating tank 1 which
is installed in the rear of the back of machine arm. Remove the side plate on the back face, and check
that oil flows in face plate section lubricating tank 1 through oil pipe 3 and drain pipe 2 when the
sewing machine is operated.
* When oil enters section A and flows in the direction of face plate section, slightly tighten adjustment screw 9.
™ When lubrication and draining of oil are not performed, lubrication in the face plate section becomes
insufficient and wore-out or seizure will be caused.
™ Be careful of being caught in the sewing machine when operating the sewing machine.
* Remove face plate section lubricating tank screw 4 and drop face plate section oil wick 6 in face plate
section lubricating tank 1 in the hole of lubricating joint 7. (Do not cover the hole of lubricating joint 7.)
™ If the hole of lubricating joint 7 is covered, oil flows backward and oil leakage will be caused.
3) Needle bar crank rod oil wick
Oil in face plate section oil wick 6 lubricated in face plate section lubricating tank 1 is transmitted to
needle bar crank rod oil wick !1 and the wick performs lubrication in the face plate section when the it
comes in contact with crank rod end !0
Be sure to adjust so that crank rod end !0 comes in contact with needle bar crank rod oil wick !1 by 1 to 2 mm.
Adjust the contact amount by moving face plate section lubrication presser !2 .
* In addition, refer to (5) - 2) Mechanism section of the face plate section of 5. MAINTENANCE.
™ If they do not come in contact with each other, worn-out or seizure will be caused.
5
1
4
7
2
Lubrication
Draining of oil
6
1
7
2
87
− −
A
6
3
Face plate section return pipe
5
!2
!1
!0