Table of Contents
Advertisement
102
6.2.2
Checking the hook lubrication
CAUTION
Risk of injury!
Crushing and puncture possible.
Only lubricate the hook when the machine is
switched off. Carry out function tests with utmost
caution when the sewing machine is switched on.
The approved oil quantity for hook lubrication is a factory
specification.
Proper setting
1.
Hold a piece of blotting paper next to the hook.
2.
Allow the machine to run without thread and sewing material
for 10 seconds with the sewing feet lifted and at a high speed.
The blotting paper will show a thin strip of oil when sewing is
complete.
Fig. 47: Lubricating the hook
(1) - Screw
Operating Instructions 667 PREMIUM - 02.0 - 01/2018
Maintenance
①
Advertisement
Table of Contents
