Lubricating The Hook - Pfaff 937 Instruction Manual

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10

Lubricating the hook

.02
2
Fig. 10 - 01
Lay the machine head on its back.
Fill the oil reservoir 1 up to the upper marking 3 through hole 2.
Before operating the machine for the first time or after longer stationary periods,
add a few additional drops of oil into the hook race
(see arrow in Fig. 10-02).
3
1
Turn the machine off!
Only use oil with a mean viscosity of 10.0 mm
g/cm
3
at 15°C.
Return the machine to its upright position with both hands. Danger of crushing
between machine head and table top!
We recommend PFAFF sewing machine oil.
Part no. 280-1-120 105.
Care and maintenance
Fig. 10 - 02
2
/s at 40°C and a density of 0.847
10 - 2

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