Alfa Network A1930 - Lubrication; Adjusting the Amount of Oil (Oil Splashes) in the Hook

3
WARNING
Be extremely careful about the operation of the machine since the amount of oil has to be
checked by turning the hook at a high speed.
When you first operate your machine after setup or after an extended period of disuse, run your
machine at 3,000 to 3,500 rpm. for about 10 minutes for the purpose of break-in.
WARNING
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start
of the sewing machine.
6. LUBRICATION
Information on lubrication
1) Fill oil pan 1 with Machine Oil up to HIGH mark A.
2) When the oil level lowers below LOW mark B, refill the oil
pan with the specified oil.
3) When you operate the machine alter lubrication, you will
see splashing oil through oil sight window 2 if the lubrication
is adequate.
4) Note that the amount of the splashing oil is unrelated to the
amount of the lubricating oil.
7. AJUSTING THE AMOUNT OF OIL (OIL SPLASHES) IN THE HOOK
1. Amount of oil (oil splashes) confirmation paper 2. Position to confirm the amount of oil (oil splashes)
Oil splashes confirmation paper
Closely fit the paper against the
wall surface of the bed
* When carrying out the procedure described below in 2, remove the slide plate and take extreme caution not to
allow your fingers to come in contact with the hook.
1) lf the machine has not been sufficiently warmed up for operation, make the machine run idle for
approximately three minutes (moderate intermittent operation).
2) Place the amount of oil (oil splashes) confirmation paper under the hook while the sewing machine is in
operation.
3) Confirm the height of the oil surface in the oil reservoir is within the range between "HIGH" and "LOW".
4) Confirmation of the amount of oil should be completed in five seconds. (Check the period of time with a watch)