Resting firmly upon throat plate, At a highest point î . at lowest pbint just clear – SINGER 251 User Manual

Page 20

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2 0

TO SET THE PRESSER BAR AT THE CORRECT HEIGHT

RESTING

FIRMLY
UPON
THROAT

PLATE

E27555

Fig. 32. Checking Height of

Presser Bar

Fig. 32A. Required Clearance on Machines

with Latest Type Lifting Bracket

AT A

HIGHEST

POINT Î

. AT

LOWEST

PbiNT

JUST

CLEAR

E27SSÔ

Fig. 33. Setting Presser Bar

at Correct Height

PREPARATION:

Remove face plate and slide plate.

CHECK:

1.

When presser foot rests firmly upon throat plate

(with

feed

dog

below

throat

plate)

there

should

still

be

some

clearance

between

guide

bracket

D, Figs. 32

and

32A

and lifting bracket

E,

as shown

in

Figs 32

and

32A.

2.

When presser foot is at its highest point and needle

bar is at its lowest, top of presser foot should

clear lower end of needle bar, as shown in

Fig. 33.

SETTING:

Loosen clamping screw

F, Figs. 32

and

32A.

Raise

or lower guide bracket

D,

as required. Securely tighten

screw

F.

CAUTION:

Whenever guide bracket has been moved on presser

bar,

inspect

the

check

spring

for

correct

setting,

as

instructed on

page 19.

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