Operation Manual

Operation
Operating manual 275 Version 01.0 - 01/201658
5.21Maintenance
This section describes simple maintenance work that needs to be
carried out on a regular basis. This maintenance work can be
carried out by the operating personnel.
Advanced maintenance work may only be carried out by qualified
specialists. Advanced maintenance work is described in the
 Service Manual.
5.21.1 Cleaning work
Positions that must be specially cleaned and cleaning
intervals
Machine area Cleaning interval
• Area under the needle plate
• Feed-dog
• Area around the hook
• Bobbin housing
• Thread cutter
• Area around the needle
Every 8 operating
hours
• Oil pan Every 40 operating
hours
Risk of injury due to flying particles.
Switch off the machine at the main power switch
before starting any cleaning work.
Flying dirt particles can get in the eyes, causing
injury.
Hold the compressed-air pistol in such a way that
no particles fly near persons.
Take care that no particles fly into the oil pan.
WARNING
Malfunctions possible due to machine contamination.
Sewing dust and thread remains can impair the operation of
the machine.
Clean the machine at regular intervals as described in the
manual.
Adhere to the cleaning intervals specified in the table. The
machine must be cleaned more frequently in the case of very
fluffy material.
ATTENTION