Brother International BES-963 Instruction Manual - English - Page 153

into the rotary hook, Loosen the screw

Get Brother International BES-963 PDF manuals and user guides View all Brother International BES-963 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 153 highlights

Chapter 8 Adjustment 1. Turn the pulley B q until the scale of pulley B q indicates 180˚ (where the pulley B indication mark " " and the stop mark " " are aligned) and the needle bar is set at the lowest position. 2. Insert the positioning bar w into the hole of the pulley B q and fix the drive shaft. Note) Turn the pulley B securely in the clockwise direction. 3. Insert the bottom dead center gauge e into the rotary hook r. 4. Loosen the screw y of the needle bar clamp t and Socket head bolt for top dead center stopper o, then move the needle bar up and down until the needle tip touches the gauge e lightly. Note) • The needle point should touch the gauge at a place other than the cutting section. • The bottom dead center gauge should be set in or removed from the rotary hook with its cutting section facing upward. 5. Tighten the screw y of the needle bar clamp t securely. 6. After adjustment is finished, remove the positioning bar w. 7. Set the needle bar at the highest position (where the pulley B indication mark " " and the cover indication mark " " are aligned). Lightly press the top dead center stopper u toward the cushion rubber i, and tighten Socket head bolt for top dead center stopper o while pressing down the needle bar clamp so that it faces the front. (Tightening torque: 0.78 N.m) Note) • Make sure that the top dead center stopper u does not hit the needle bar guide rail !0 at this time. • When tightening the upper dead point stopper bolt o, insert the longer side of the attached wrench into the bolt and tighten it by using the shorter side. Excessive tightening may make the needle bar movement sluggish. BES-963BC • BES-1263BC 151

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
  • 155
  • 156
  • 157
  • 158
  • 159
  • 160
  • 161
  • 162
  • 163
  • 164
  • 165
  • 166
  • 167
  • 168
  • 169
  • 170
  • 171
  • 172
  • 173
  • 174
  • 175
  • 176
  • 177
  • 178
  • 179
  • 180
  • 181
  • 182
  • 183
  • 184
Chapter 8
Adjustment
BES-963BC • BES-1263BC
151
1.
Turn the pulley B
q
until the scale of pulley B
q
indicates 180
˚
(where the pulley B indication
mark "
" and the stop mark "
" are aligned) and the needle bar is set at the lowest position.
2.
Insert the positioning bar
w
into the hole of the pulley B
q
and fix the drive shaft.
Note)
Turn the pulley B securely in the clockwise direction.
3.
Insert the bottom dead center gauge
e
into the rotary hook
r
.
4.
Loosen the screw
y
of the needle bar clamp
t
and Socket head bolt for top dead center
stopper
o
, then move the needle bar up and down until the needle tip touches the gauge
e
lightly.
Note)
•
The needle point should touch the gauge at a place other than the cutting section.
•
The bottom dead center gauge should be set in or removed from the rotary hook with its cutting section
facing upward.
5.
Tighten the screw
y
of the needle bar clamp
t
securely.
6.
After adjustment is finished, remove the positioning bar
w
.
7.
Set the needle bar at the highest position (where the pulley B indication mark "
" and the
cover indication mark "
" are aligned).
Lightly press the top dead center stopper
u
toward
the cushion rubber
i
, and tighten Socket head bolt for top dead center stopper
o
while
pressing down the needle bar clamp so that it faces the front. (Tightening torque: 0.78 N
.
m)
Note)
•
Make sure that the top dead center stopper
u
does not hit the needle bar guide rail
!
0
at this time.
•
When tightening the upper dead point stopper bolt
o
, insert the longer side of the attached wrench into
the bolt and tighten it by using the shorter side.
Excessive tightening may make the needle bar movement sluggish.