Pfaff 3568-12/12, Instruction Manual, Page: 50 / 52

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29.5 Cleaning the blower air filter
Requirement:
Have filter 9 (fig. 8) and filter 10 (fig. 9) in the control box cleaned by the
mechanic in intervals that depend on the pollution level of the air.
.1 Remove cover 11 (fig. 8) and filter 9 and blow out with compressed air.
.2 Then insert the filter and re-fit cover.
.3 Open control box.
To this end it is vital to disconnect the mains plug.
.4 Push lock 12 in and open flap 13.
.5 Take out filter 10 and blow it out with compressed air.
.6 Then re-fit filter and close flap 13.
.7 We recommend to make a record of every air filter cleaning in the maintenance table on the
inside of the control box door.
29.6 Recommended lubricants
.1 Sewing machine
Pfaff oil, part no. 280-1-120-144, or oil with a mean viscosity of 22.0 mm²/s at 40°C and a
density of 0.865 g/cmn.
The oils that are used must not or only to a small extend cause shrinkage or swelling
of the sealing compounds at any operation condition.
.2 Carriage guide to the X-Y control of the sewing jig
Lithium soap grease, Molykote BR 2 plus (part no. 280-1-120-207 or a similar all-purpose high-
performance grease with a worked penetration of 265 to 295 and a drip-point at 185°C.