Duerkopp Adler N291 Manual de instrucciones - Página 12
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- 1. Table of Contents
- 1. 1 Product Specifications
- 1. Use for the Intended Purpose
- 1. Technical Data
- 2. 2 Elements and Their Function
- 2. Elements at the Machine Head
- 2. Elements at the Machine Stand
- 3. 3 Operation of the Sewing Machine
- 3. Threading the Needle Thread
- 3. Winding the Bobbin Thread
- 3. Changing the Bobbin
- 3. Setting the Bobbin Thread Tension
- 4. 4 Maintenance
4. Maintenance
The maintenance work must have been carried out at the latest after the service hours
given in brackets [ ]. Other maintenance intervals may be required when special
materials are sewn.
Occurrence
Machine head
Removal of accumulated lint [8]
Checking the oil level in the two
reservoirs 7 (page 9) and 8 (page 7) [40]
Maintenance unit
Cleaning the insert in the air filter 8 (page
11) [500]
Checking the oil level in the mist
lubricator 6 (page 11) [180]
Checking the oil supply of the mist
lubricator [180]
Checking the tightness of the pneumatic
system [500]
14
Remarks
–
This applies in particular to the
following places:
Throat plate underside
Feed dog rows
Area around the hook
Brake spring 17 (page 13) in the
bobbin case cap.
–
See subject 2.1
–
Prior to this, vent the system.
–
The oil level must not drop below the
opening of the suction pipe.
–
See subject 2.2