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Pfaff 939 U User Manual

Pfaff 939 U
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11 - 4
Care and maintenance
Fig. 11 - 06
10
12
0
6
4
2
8
16
14
100
50
150
0
200
230
1
2
Fig. 11 - 07
10
12
0
6
4
2
8
16
14
100
50
150
0
200
230
2
1
11.04 Cleaning the air filter of the air-filter / lubricator
Switch the machine off!
Disconnect the air hose at the
air-filter / lubricator.
To drain water bowl 1:
Water bowl 1 drains itself automatically
when the compressed-air hose is
disconnected from the air-filter / lubricator.
Cleaning filter 2:
Unscrew water bowl 1.
Take out filter 2.
Clean filter 2 with compressed air or
isopropyl alkohol ( part No. 95-665 735-91
).
Screw in filter 2 and screw on water
bowl 1.
11.05 Checking/adjusting the air pressure
Before operating the machine, always
check the air pressure on gauge 1.
Gauge 1 must show a pressure of 6 bar.
If necessary adjust to this reading.
To do so, pull knob 2 upwards and turn it
so that the gauge shows a pressure of
6 bar.

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Pfaff 939 U Specifications

General IconGeneral
BrandPfaff
Model939 U
CategorySewing Machine
LanguageEnglish

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