Pfaff 1422-900/81 Service Manual page 7

2 Resting position of roller lever/radial position of control cam
.05
Requirement
1. When cylinder plunger 1 is retracted there must be a clearance of 0.1 mm between
outer edge of control cam 6 and the roller of lever 5.
2. When cylinder plunger 1 is retracted and the take-up lever is at t.d.c., control cam 6
must just move roller lever 5 to its resting position
Fig. 2 - 01
Fully retract plunger 1 into cylinder 2.
Re-position cylinder mounting 3 (screws 4) according to Requirement 1.
Push roller lever 5 into control cam 6.
Set take-up lever at t.d.c. and turn control 6 (screws 7) according to Requirement 2.
3
4
0,1 mm
6
On cylinder plunger 1, about 1 mm of thread must protrude above locknut 8.
7
2
5
1
5
8
Adjustment
6
2 - 2