Pfaff 937

Care and maintenance
10.03 Lubricating the zigzag drive
Always check the oil level before every use of the machine.
● If required, unscrew screw 1 and fill the reservoir with oil up to the upper marking 2.
● Retighten screw 1.
It is beneficial to remove cover 5 when pouring larger quantities of oil into the
reservoir: e.g. when filling for the first time before operating the machine for
the first time.
● Unscrew screw 4 and remove cover 5.
● Take care to ensure that no dirt gets into the housing.
● Fill the reservoir with oil up to the upper marking 2.
● Clean the supporting surface of cover 5, housing and seal.
● Replace cover 5 and tighten screws 4.
Never allow the oil level to drop below the minimum mark 3.
Only use oil with a mean viscosity of 22.0 mm
2
/s at 40°C and a density of 0.865
g/cm
3
at 15°C.
We recommend PFAFF sewing machine oil.
Part no. 280-1-120 144.
Fig. 10 - 03 Fig. 10 - 04
0
2
4
6
8
10
4
3
2
1
2
3
1
4
5
4
10 - 3