42 PFAFF
46 Dismantling and re-fitting the take-up lever
46.1 Dismantling
.1 Take out screws 1 (Fig.1)
.2 Loosen screw 2 (caution! Loosen correct screw!).
.3 Pull off bearing plate 3 with crank 4 parallel.
.4 Loosen screws 5 (Fig. 2).
.5 Pull bearing pin 6 (Fig. 3) out, using an M4 screw (from gear cover), pressing lightly against
take-up lever link 7.
.6 Remove cover 8.
.7 Loosen the clamp screws of eccentric pin 9 in arm shaft crank 10 through access window (8).
.8 Set needle bar roughly at bottom dead centre.
.9 Carefully pull out take-up lever 11 together with needle bar crank 12.
46.2 Re-fitting
.1 Place take-up lever 11 together with needle bar crank 12 into arm shaft crank 10 and onto
needle bar stud 13.
.2 Swing up take-up lever link 7, insert bearing pin 6.
Position take-up lever in middle of housing slot, set bearing pin 6 and rear bearing bush
without play against take-up lever link 7 and tighten screw 5 firmly.
.3 Set needle bar at bottom dead centre.
.4 Set eccentric side of eccentric pin 9 towards rear (see arrow at 9).
Observe correct direction!
.5 Replace bearing plate 3 together with crank 4.
Note: It must be possible to move the bearing plate back and forth easily!
If there is any binding, the take-up lever is jammed, and adjustments 2.3 and 2.4 have
to be repeated.
.6 Tighten screws 1.
.7 Tighten screw 2.
.8 Tighten clamp screws of eccentric pin 9 in arm shaft crank 10 firmly through window 8.
.9 Check that the two screws in the arm shaft crank are really tight.
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