Pfaff 1051

Adjustment
11 - 7
11.05.05 Bottom feed lifting motion
Requirement
At stitch length setting “ 0” and needle bar position 0.6 past b.d.c. on the PFAFF 1051/
1181 and at needle bar position t.d.c. on the PFAFF 1053/1183,
1. the bottom feed dog must be at its highest position,
2. control cam 3 must rest on lifting eccentric 1.
The flat on control cam 3 must be parallel with the bedplate at needle bar position t.d.c. on
all machines types.
● Set stitch length “ 0” and set needle bar at required position
● Turn eccentric 1 (screws 2) according to Requirement 1.
● Adjust control cam 3 (screws 4) according to Requirement 2.
● Set needle bar at t.d.c. and adjust control cam 3 (screw 4) according to Requirement.
On machines without thread trimmer -900/24, control cam 3 serves as a
balance weight eccentric.
Fig. 11-06 shows a machine with thread trimmer fitted.
4
2
1
3
Fig. 11 - 06