JUKI LH-3500A Series Instruction Manual page 14

[LH-3568A, 3568A-7, 3588A, 3588A-7]
Face plate
lubrication felt
[Common]
Thread take-up
lever (oil wick)
Felt
Remove the rubber cap, take out the felt in A, pour
new grease in the hole, and put the felt to which
grease has been soaked after removing old grease
A
adhered to the inside of the hole and the felt.
Further, pour grease above the felt and cover it with
the rubber cap.
– 12 –
Needle bar
Square block
Needle bar bracket