Instruction manual

7 Pneumatic connection

Caution:

The pneumatic units will only operate properly at a supply

pressure of 8 to 10 bar. The special sewing machine’s

operating pressure is 6 bar.

Pneumatic-connection pack

A pneumatic connection pack for stands w ith compressed-air

maintenance unit is available under order no. 0797 003031.

It contains the following components:

–

Connection hose, 5 m long (Ø = 9 mm)

–

Hose nozzles and ties

–

Plug-and-socket connector

Connecting the compressed-air maintenance unit

–

Attach the compressed-air maintenance unit 1 with bracket,

screws and strap to the s tand-brace.

–

Connect the unit to the compressed-air supply with the

connection hose 5 (Ø = 9 mm) and connector R1/4".

Connecting the compressed-air maintenance unit to the upper

part of the sewing machine

–

Unscrew and remove the cover 6.

–

Connect the hose 3 (in the accessory pack) to the distributor

plate 7 on the machine head.

–

Replace the cover 6.

Adjusting the operating pressure

The operating pressure is 6 bar.

It can be read off at the pressure gauge 4.

–

To adjust the operating pressure raise and tur n handle 2:

Clockwise to increase the pressure.

Counter-clockwise to reduce the pressure.

–

Press down the handle 2.

7.1 Pneumatic sewing foot lifting

See Instructions 0791 867704.