26 PFAFF
28 Top feed driving link
Requirement: All moving parts of the top feed must move freely but without play.
.1 To check free movement , take out pin 1 (screw 2) and eccentric pin 3 (screw 4, Fig. 1).
.2 It must be possible to push pins 1 and 3 in easily.
.3 If necessary, bend drive levers 5 and 6 to shape accordingly.
29 Top feed neutral position
Requirement: When the stitch length is set at "0" (top and bottom feed) and adjustment
link 7 (Fig.2) is fitted, the top feed must not make any feeding movement.
.1 Set feed regulator lever 8 (Fig. 3) at "0"
.2 Set lever 9 (Fig.3) parallel with lever 10 (screw 11)
.3 Place adjusting link 7 onto pins 12 (Fig. 2).
.4 Set crank 13 (screw 14) so that feeding foot does not make any feeding motion (Fig. 4).
.5 Adjust lever 15 (Fig. 1) (screw 16, Fig. 5) so that top feed foot does not make any feeding
motion whwn connecting rod 17 (nut 18, Fig 1) is moved up and down in the elongated hole.
.6 Push connecting rod 17 (nut 18) fully upwards.
.7 Take off adjusting link 7 (Fig. 2)
.8 Press feed regulador lever 8 (Fig. 3) fully upwards.
.9 Set actuating levers 19 and 20 (Fig. 3) at a clearance of 0,5mm on reverse-feed lever 21
(screws 22)
.10 Press connecting rod 17 (Fig. 1) fully downwards (nut 18).
To Next Page
Loading...
Need help?
General
