Brother NV4000D Service Manual page 159

Main unit
8
Tension presser plate attachment
1. Attach the screw 1 to the tension presser plate 1.
*Key point
• Tighten the screw 1 until it protrudes from the bottom of the
tension presser plate 0.2 - 0.5 mm.
2. Apply a small bead of EPCON AP(N) 0 to the tension release link contact
surface of the tension release cam 2.
3. Temporarily attach the screw 2 to the tension release cam 2.
4. Insert the tension presser plate assembly 1 from the top of the tension
release holder assembly, and then insert spring
cam 2 from the bottom.
5. Thread the tension presser plate assembly 1 through to the bottom.
*Key point
• After threading the tension presser plate assembly through to
the bottom, insert the positioning tab on the tension release
holder assembly into the square positioning hole on the
tension plate.
6. Set the screw 1 of the tension presser plate 1 as shown in the illustration
on the right, and fully tighten the screw 2 of the tension release cam 2.
Apply EPCON AP(N) 0 to the tension release link
contact surface of the tension release cam.
Start movie clip (CD-ROM version only)
1
2
S03
9
Presser SW link attachment
1. Place the presser SW link 1 onto the calking shaft on the rear of the
tension release holder assembly 2, and attach the retaining ring (E3).
Start movie clip (CD-ROM version only)
Thread tension unit
and tension release
S03
Power Lock
2X3
0.78 – 1.18 N
Color; Silver
Set Screw, Socket (FT)
M3X4
0.78 – 1.18 N
Color; Black
13.2
4.1
1
Small bead
Torque
·
m
Torque
·
m
SPRING
XA9577***
1
1 1
S03
2 2
Retaining ring E3
2
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