Pfaff 441-O - Oil Check Valve

13
Correct
setting;
13.0.1
13.1
13.2
13.3
13.4
13.5
Oil check valve
When the machine is inits inoperative positionthere should be a clearance of0.3 mm
between actuating lever4 and lifting eccentric5 at the point where they are closest
together (Fig. 13.0.2). Also, there should bea clearanceof2.0mm between actuating
lever 4and circlip 6. Furthermore, operating pin 8 should be centered in the elongated
holeand its circlip should lightly contactthe actuatinglever.
13.0.3
13.0.2
Loosen both clamp screws 1and push oil check valve 2tothe right.
Also loosen screw 3.
Adjust actuating lever4so thatthereisa clearanceofabt.0.3 mm between it,when
at rest, and lifting eccentric 5.
in this position, tighten screw 3.
Repositioncirclip6so that, when the machine is at rest, there is a clearance ofabt.
2.0mmbetweenactuating lever4and circlip6.
20
From the library of: Superior Sewing Machine & Supply LLC