Forward End Position - Duerkopp Adler 745-22 Service Instructions Manual

2.2 Forward End Position

1 2
2
6
The switch b2 determines the forward end position of the transport
carriage.
In this position the clearance from the forward edges of the
forward-lying needles to the forward edges 2 of the transport clamps
must be 306 mm.
This corresponds to a clearance of 15 mm from the forward edges 2 of
the transport clamps to the H-light marker 1 (see sketch).
The switch b3 serves as a safety switch.
It prevents a possible striking of the transport carriage on the machine
head.
The clearance between the switches b3 and b2 must be 90 mm.
Checking the switch setting
–
Turn the main switch on.
–
Step back on the left pedal.
The transport carriage runs into its rear end position.
–
Step forward on the left pedal.
The transport carriage runs into its forward end position.
It runs over the switch b2 (reference position) along its path.
After a further run of approx. 80 mm it stops in the forward end
position.
–
Check the clearance of 306 mm from the forward edge of the
forward-lying needles to the forward edges 2 of the transport
clamps.
Correcting the switch setting
Caution Risk of Injury !
Turn the main switch off.
Correct the position of the switches b2 and b3 only with the main
switch turned off.
–
Remove the cover plate after loosening the mounting screws.
–
Set the switches b2 and b3 after loosening the clamping screws.
–
Tighten the clamping screws again.
b3
90 mm
b2