Pfaff 238-0 User Manual

23. The Lubrication System of the Pfaff 238-0
From the oil reservoir under the top cover of the machine oii is supplied not only to
the arm shaft center bearing and the zigzag mechanism in the machine arm, but also to
the two needle bar bushings in the needle bar frame. For this purpose, a wick-fiiied piastic
tube has been incorporated which conducts oii from the oii reservoir to both needle
bar bushings.
From time to time, check the oii level in the oii sight glass and replenish the oil, if
necessary.
The high speed of the machine has made it necessary to incorporate a combination
wick and reservoir lubrication system for the transverse rotary hook.
The sewing hook is lubricated from the oii reservoir under the bed plate (Fig. 26). A
wick-fiiied piastic tube conducts oii to the hook saddle whence it flows through a copper
tube into the oii retainer ring on the sewing hook. Centrifugal force then flings the
oii through an oii duct into the hook raceway.
This reservoir lubrication system minimizes maintenance and ensures that all vital parts
are properly lubricated at all times.
The bed plate reservoir holds 5 1/3 fl. oz. of oil which will last for several weeks' lubri
cation. The oii level can be checked through an oil sight glass on the bottom of the
reservoir and the oil be replenished. If necessary. Checking the oil level may be com
bined with the weekly cleaning of the machine. To top up the oil, you do not lose the
gasket.
The Pfaff 238-0 uses the same oii as the Pfaff 238, i. e. either ordinary sewing machine
oil No. 2801-120122 or a technical white oil having a viscosity of 150R/68®F or 175 S/68°F.
The oiling points which have to be lubricated manually are marked by arrows in the
illustrations on pp. 4-8.
37
From the library of: Superior Sewing Machine & Supply LLC

Pfaff 238-0 Specifications

General

Brand	Pfaff
Model	238-0
Category	Sewing Machine
Language	English