Pneumatic Connection; Pneumatic Sewing Foot Lift - Dürkopp Adler 667 Operating Instuructions

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Pneumatic connection

Fig. 24
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5.1 Pneumatic sewing foot lift

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2
3
Fig. 25
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 with compressed-air maintenance
units is available under the 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 6 with bracket, screws and
strap to the stand-brace.
– Connect the maintenance unit 6 to the compressed-air supply by using a
connection hose 5 (Ø = 9 mm) and hose coupling R1/4".
Connecting the compressed-air maintenance unit to the machine head
– Unscrew the cover 4.
– Connect hose 2 (in the accessory pack) to the distributor plate 5 on the
machine head.
– Fix the cover 4.
Adjusting the operating pressure
– The operating pressure is 6 bar. It can be read by using the pressure
gauge 3.
– To adjust the operating pressure lift and turn the handle 1.
Increase pressure = turn handle 1 clockwise.
Decrease pressure = turn handle 1 counter-clockwise
– Press the handle 1.
See Instructions 0791 867704.
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