Lubrication - JUKI MH-486-5 Instruction Manual

. 4 .. LUBRICATION

WARNING.:
To.avoid.possible.personal.injury.due.to.abrupt.start.of.the.machine,.turn.off.the.power.to.the.machine.and.check.to.be.sure.that.the.
motor.has.totally.stopped.rotating.in.prior.
Oil.reservoir
1. Before operation, fill the oil reservoir with JUKI New Defrix Oil No.1 up to the HIGH mark.
2. Whenever the oil level drops to the LOW mark, add more oil.
3. When the sewing machine is run after the oil reservoir has been filled, oil can be seen splashing on the oil sight window. However, the
amount of oil splash has no relation to the amount of oil in the reservoir so there is no need to worry.
4. When the oil has become dirty, replace it with fresh oil. Unscrew the oil plug from the oil reservoir when draining.
5. When using a new sewing machine or one that has not been used for a long time let it idle for about ten minutes at 3,000 to 3,500 sti/min to
run it in.
(Caution). 1.. Verify.that.the.lubricating.oil.is.properly.circulating.by.watching.it.through.the.oil.sight.window.
. 2.. Remove.any.fiberous.dust.from.the.oil.pump.filter.screen.and.the.oil.reservoir.
. 3.. When.the.lubrication.oil.has.become.dirty,.drain.it.through.the.oil.drain.screw.cap.and.fill.it.with.new.JUKI.New.De-
frix.Oil.No.1.
. 4.. Verify.that.the.oil.level.is.above."LOW'.mark.
. 5.. Clean.up.the.oil.reservoir.magnet.with.a.cloth.
1
Minimum.oil.flow
Adjustment.of.oil.amount.for.the.face.plate.components.
Amount of lubricating oil supplied to the face plate components such as needle bar crank 2 is adjustable by turning adjusting pin 1 : bring the
dot mark 3 engraved on the adjusting pin close to needle bar crank 2 to minimize or farthest from the needle bar crank 2 to maximize the
amount of oil maximize the amount of oil.
(Caution). The.oil.amount.does.not.change.immediately.after.adjustment,.so.have.this.in.mind.when.adjusting.the.oil.amount.
HIGH.mark
LOW.mark
3
1
2
Maximum.oil.flow
– 3 –
Oil.sight.window
3
2