Pfaff 1425 Instruction Manual page 44

Adjustment
11. Bottom feed-dog height
04.06
11 - 8
Requirement
1. When the needle bar is at b.d.c., the stitch length is set at "0" and crank 5 is at the bot-
tom of the slotted lever (see arrow), the bottom feed dog must protrude from the top
surface of the needle plate by 0.5 mm.
2. The bottom feed dog must be centred in the needle-plate slot.
2
4
Fig. 11 - 06
Turn lifting crank 1 (screws 2) and eccentric sleeve 3 (screws 4) according to Require-
ment 1, and set feed dog in centre of needle-plate slot as shown in Requirement 2.
The feed-dog height can also be increased by shifting crank 5 (nut 6) upwards
as required.
1
3
6
5