Singer 471U - Table of Contents

CONTENTS
(C MECHANISMS 1) 1
|T| Needle bar mechanism 1
m Rotary hook mechanism I
ITj Needle zigzag mechanism 2
|T| Feed mechanism 3
m Clutch mechanism 4
B Cutter mechanism (1) 6
B Cutter
mechanism (II) 7
[Tj Upper thread cutter mechanism 8
B Lower thread cutter mechanism 9
[lo] Presser bar lifter mechanism 9
Tension releasing mechanism 10
fll]
Clutch and brake 29
fi2] Cutter safety device 29
[III Needle bar 31
ini Rotary hook shaft 32
[i^ Upperclamping foot and lower
thread cutter 33
[I^ Base needle plate and cutter
position control 34
Oil Upper clamping foot position control ... 35
M Rotary hook 35
[li] Lubrication 36
[2ol Needle sidewise movement
adjustment 36
(HI Needle zigzag reference
position adjustment 36
HH Scissors assembly position control 38
HD Scissors guide positioncontrol 38
[24] Covers 39
((ADJUSTMENtH) 40
Needle sidewise movement
adjustment 40
Needle bar and rotary
hook adjustment 40
Upper clamping foot lifter
adjustment 42
Cutter adjustment 44
Buttonhole width and reference
position adjustment 46
Upper thread cutter adjustment 48
Lower
thread cutter adjustment 50
Movable knife and fixed
knife adjustment 50
((DISASSEMBLY PROCEDURES)).
m
m
m
B
B
B
m
B
Covers
Lower thread cutter
Presser
Rotary hook
Upper thread cutter
Length feed
Clamping foot
Cutter safety device
[9] Clutch and brake
U
un
M
M
0
Feed
Needle bar
Cam relay
Upper shaft
Auxiliary
shaft
Needle zigzag
Needle breakage detection
Cutter
Lower shaft and rotary
(C ASSEMBLY PROCEDURES 1
B Lower shaft
U] Cutter
IT] Thread breakage detection
[Tj Needle zigzag
[Tj Auxiliary shaft
|T| Upper shaft
m Cam relay
(D Feed
rri upper clamping foot
flo] Upper thread cutter
14
m
15
15
m
16
16
m
17
17
m
18
m
18
19
m
19
m
m
20
m
21
M
0
21
mi
21
23
p]
23
24
26
27
(Hj
27
28
Qzl
28
OH
Belt shifter adjustment 52
Lubrication
adjustment 53
Tension pulley
adjustment 54
Bobbin winder
adjustment 54
Main tension and auxiliary
tension adjustment 55
Thread breakage detection
adjustment 56
Adjustment for changing the
stitch number 57
Cutter safety device adjustment 57
Adjustment of feed cam segment 59
From the library of: Superior Sewing Machine & Supply LLC