Dismantling And Reassembling The Pfaff Hook - Pfaff 260 Service Manual

Fig. 125
d
Fig. 126
Dismantling the Pfaff Hook
Fig. 125
l. Remove bobbin case and bobbin.
2.
Take out locking screw a.
Fig. 126
3. Hold the balance wheel steady and turn
thread guard b on the sewing hook clockwise
until it is stopped by guide pins c
1
and c2.
4. Turn the balance wheel until the point of
th read guard b is in the position marked by
A
in Fig.
126.
Fig. 127
5.
l ift thread guard b and take it out, turning it
slightly around position finger f.
6. Push your thumb nail under the rim of bobbin
case base d at
C,
lift the bobbin case base
and tip it out.
Reassembling the Pfaff Hook
Fig. 128
1. Replace bobbin case base d in the hook. in
Fig. 127
the position shown in Fig.
127.
2.
Turn the balance wheel cautiously until the
hook point is in the position marked by
A
in
Fig.
127.
Hold thread guard
b
so that its open-
ing faces the position finger and its two slots
Cz ore
opposite guide pins
Ct
and c2. Replace
thread guard b on the sewing hook and press
it down until its crown at the right lies on
bobbin case base d.
Fig. 128
Fig. 129
Fig. 129
3. Turn the balance wheel cautiously until the
hook is in the position marked by Bin Fig. 129.
In this phose, guide pins
Ct
and c2 will enter
the slots in thread guard b. Turn thread
guard b clockwise as far as it will go.
4. Replace and tighten locking screw a securely,
as slhown in Fig.
125.