Needle Rise, Hook-To-Needle Clearance, Needle Height And Needle Guard - Pfaff 3834-14/11 Instruction Manual

Adjustment
13

Needle rise, hook-to-needle clearance, needle height and needle guard

.04.04
● Loosen screws 1, 2, 3 and 4.
● Bring the needle bar to 2.0 after b.d.c.
● Place the adjustment pin in hole 5 and apply pressure.
● Position the hook point towards the centre of the needle, taking care to ensure that the
● Adjust the needle height according to requirement 2.
● Adjust the hook post according to requirement 1 and tighten screws 4.
13 - 5
Requirement
When the needle bar is positioned at 2.0 mm after b.d.c.
1. The point of the hook must be pointing to the centre of the needle and have a clearance
of 0.05 - 0.1 mm to the needle.
2. The top edge of the needle eye must be 0.8 - 1.00 mm below the hook point and
3. The needle guard 6 must lightly touch the needle.
10
3
3
4
5
Fig. 13 - 04
needle is not deflected by needle guard 6.
6
1
7
4
6
2
8
12
11
1