Brother ArtCity140, Service Manual

Page: 112 / 151

Application of
Assembly
3 - 54
Feed unit
Application o
f
Assembly
Application of
Assembly
4
Assembly of Tension pulley assy
1. Align the positioning hole of tension pulley sub assy with the boss of tension pulley holder B assy, and
set the tension pulley sub assy to the tension pulley holder B assy, and tighten the screw (screw, pan
(S/P washer) M4X8) temporarily.
*Key point
• Fully tighten the screw after performing “4 - 5 Timing belt tension” .
2. Set the M tension pulley stopper to the tension pulley holder B assy, and tighten the screw (screw, pan
(S/P washer) M4X8) temporarily.
*Key point
• Fully tighten the screw after performing “4 - 6 Motor belt tension” .
3. Set the spring (XF3404) to the boss of motor tension pulley assy, and insert them into the shaft of
tension pulley holder B assy, and secure them with the retaining ring E3. And hang the hook of spring
on the one of five notches on the tension pulley holder B assy.
Screw, Pan (S/P washer) M4X8
Spring (XF3404)
Tension pulley sub assy
Tension pulley holder B assy
Boss
M tension pulley stopper
Screw, pan (S/P washer) M4X8
Motor tension pulley assy
Retaining ring E3
Boss
Spring (XF3404)
Positioning hole
Hook
Shaft