Singer CONFIDENCE 7463 User manual

Service Manual
7463
7465
7467
7469
Confidence
104 72 89-26
16 Oct 2007

-2-
INDEX
Sec. 1 Disassembling of covers - - - - - - - - - - - - - - - - - - - - - - 4-9
Sec. 2 Test mode - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 10-12
Sec. 3 Adjustment of feed dog height - - - - - - - - - - - - - - - - - - 13
Sec. 4 Needle bar height - - - - - - - - - - - - - - - - - - - - - - - - - - - 14
Sec. 5 Needle threader height - - - - - - - - - - - - - - - - - - - - - - - 15-16
Sec. 6 Presser foot height and direction - - - - - - - - - - - - - - - - 17
Sec. 7 Needle position at zigzag stitching - - - - - - - - - - - - - - - 18
Sec. 8 Clearance between needle and shuttle - - - - - - - - - - - - 19-20
Sec. 9 Needle timing to feed dog - - - - - - - - - - - - - - - - - - - - - 21
Sec. 10 Needle timing to shuttle hook - - - - - - - - - - - - - - - - - - 22
Sec. 11 Needle stopper at right position - - - - - - - - - - - - - - - - 23
Sec. 12 Adjustment of thread tension - - - - - - - - - - - - - - - - - - 24
Sec. 13 Zigzag bight & stitch balance - -- - - - - - - - - - - - - - - - - 25-38
Sec. 14 Needle stops at heighest position - - - - - - - - - - - - - - - 39
Sec. 15 Bobbin holder stopper spring- - - - - - - - - - - - - - - - - - 40-41
Sec. 16 Motor belt tension- - - - - - - - - - - - - - - - - - - - - - - - - - 42
Sec. 17 Timing belt tension- - - - - - - - - - - - - - - - - - - - - - - - - 43
Sec. 18 Bobbin holder thread tension- - - - - - - - - - - - - - - - - - 44

-3-
Sec. 19 Electrical parts area
AC power board - - - - - - - - - - - - - - - - - - - - - - - - - - - - 45
CPU board - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -46-48
Switch board - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 49-53
Wiring harness - - - - - - - - - - - - - - - - - - - - - - - - - - - - -54-56

-4-
Sec.1 Disassembling of covers
(1) Face cover side
Remove screw A.
Removescrew Ｂ.
(2) Back cover side
Remove two self-tapping screws.
A
B
D E

-5-
Remove two screws F & G.
Remove screw H.
Loosen screw J with washer.
Remove screw K on bottom side.
F G
H
J
K

-6-
Remove screw L on bottom side.
Remove needle plate by loosening
two screws.
Push up front cove to open inserting
Small screw driver between front and
backcovers.
Open back and front covers.
L

-7-
Pull out front cover.
Open mating portion of front and back
covers using small screw driver.
Push back cover by small
screw driver.
Force front cover open by
small screw driver.
40mm

-8-
Lift up front cover as illustrated.
Lift up front cover as illustrated.
Lower presser foot lever to
removebackcovereasily.

-9-
Disassembling of covers for model 7422
An additional bottom cover is provided on model 7422.
Remove screws S for front cover and then 5 screws on the bottom cover.
Disassembling of covers for model 7424・7426・7428 *7436
An additional bottom cover is provided on model 7424, 7426 ,*7436 and 7428.
Remove screws S for front cover and then 6 screws on the bottom cover.
Bottom cover
S
Bottom cover
S

- 10 -
Sec.2 Test mode
1. Push bobbin winder to the right
2. Push and hold reverse switch in place.
3. Turn on power switch.
4. Release bobbin winder while pushing reverse switch, just after power switch is turned on.
5. LED is lit at the top left corner.
7422, 7442,
7462
7424, 7444,
7464 and
others