Hook Shaft Bearing And Backlash - Pfaff 1051 Instruction Manual

Adjustment
11

Hook shaft bearing and backlash

.05.12
Requirement
1. The front edge of the hook shaft 6 must be at a distance of 14.5 mm to the needle
center. At the same time, the slot in the hook shaft bearing 1 (see arrow) must be par-
allel to the bedplate and pointing opposite to the direction of sewing.
2. There must be a slight amount of play between the gears 3 and 5.
4
Fig. 11 - 13
Align hook shaft bearing 1 (screw 2) according to requirement 1.
Slide gear 3 (screws 4) on to the shaft according to requirement 2.
5
1
3
14.5 mm
6
1
2
11 - 14