W6 N 5000 Exklusive, Manual

Page: 158 / 169

Maintenance to be carried out by the customer
Maintenance
12.2.4 Checking the hook system for damage
Prerequisite:
•
The needle plate has been removed.
Carry out the following steps:
1. Remove the hook race.
2. Clean and remove any pieces of thread and sewing dust from this area using
a W6 cleaning brush.
! You can also carefully clean the hook system using a vacuum
cleaner.
3. Check the black hook race carrier for needle strikes or damage.
! Minor needle strikes on the hook race can be removed using fine
emery paper (for example 800 grit).
The following illustration shows an undamaged hook race.
The hook race must not have any strikes or notches.
» The hook system has been checked.
158