Feed Lifting Motion - Pfaff 1053 Instruction Manual

Adjustment
11.05.04

Feed lifting motion

11 - 6
Requirement
At stitch length setting "0" and needle bar position TDC,
1. the feed dog must be at its upper reversal point
2. the control cam 3 must be resting against the feed lifting eccentric 1 and
3. the surface of control cam 3 must be parallel to the bedplate.
Fig. 11 - 05
Set stitch length to "0" and position the needle bar at its TDC.
Turn eccentric 1 (screw 2) according to requirement 1.
Turn control cam 3 (screws 4) according to requirement 2.
For machines without the thread trimming devices -900/22 or -900/24, the
control cam 3 serves as a balance weight.
Fig. 11-05 illustrates a machine with a thread trimmer which has been
mounted.
4
3
2
1