Clean The Motor Fan Sieve; Checking The Toothed Belt - DURKOPP ADLER M-type 867 Service Instructions Manual

21.3.2 Clean the motor fan sieve

The motor fan sieve must be cleaned once a month using a compressed-
air pistol. When very fluffy material is used for sewing, the motor fan sieve
must be cleaned more frequently.
Fig. 99: Clean the motor fan sieve
Cleaning steps
1. Remove any sewing dust and thread remains using a compressed-air

21.4 Checking the toothed belt

The condition of the toothed belt must be checked once a month.
A damaged toothed belt must be replaced immediately.
Proper setting
• The toothed belt exhibits no cracks or fragile areas.
• When pressed with a finger, the toothed belt gives no more than
112
WARNING
Risk of injury
Switch off the machine at the main power switch
before cleaning the motor fan sieve.
Flying particles can get in the eyes, causing injury.
Hold the compressed-air pistol so that particles do
not fly toward persons.
(1) - Table plate
pistol.
WARNING
Risk of injury
Crushing injuries from moving parts.
Switch off the machine before checking the condi-
tion of the toothed belt.
10 mm.
Maintenance work
(2) - Motor fan sieve
Service Manual 867 Version 02.0 - 04/2015