Lubricating The Top-Feed Drive Excentric; Checking/Regulating The Air Pressure - Pfaff 335 Instruction Manual

Care and maintenance
10

Lubricating the top-feed drive excentric

.07
10

Checking/regulating the air pressure

.08
30
1
Fig. 10 - 07
1
Fig. 10 - 08
● Open cover 1 on the back of the machine.
● Grease nipple 2 at least once a year (use gre-
ase gun).
● Screw cover 1 back on.
2
● Check the air pressure on gauge 1 every
time before operation.
2
● Gauge 1 must show a pressure of 6 bar.
● Regulate this pressure if required.
● To do so, pull knob 2 up and turn it accor-
dingly.
Switch off the machine!
Danger of injury due to uninten-
tional starting of the machine!
Only use lithium base grease
with a dripping point of 185°C
and a worked penetration of
22-25 mm at 25°C.
We recommend Pfaff
sewingmachine grease Part
no. 280-1-120 247