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Fig. 4-11
4-11. LS Chassis Block Assembly
Note: In the M2000 mechanism, two types of LS chassis assembly are used that are LS type A and LS type B. Also, two types of the mechanism chassis
assembly are used that are mechanism type A and mechanism type B. Refet to page 3 and 4 for the respective types.
1)
Insert the LS guide roller and LS guide T2 pin of the mechanical
chassis block assembly into the slot of the LS chassis block
assembly 4.
chassis block assembly into the slot of the LS chassis block
assembly 4.
2)
Insert the pin of the LS arm assembly into the following point;
For LS type A: Cam groove of the LS cam plate.
For LS type B: Groove of the LS chassis assembly
For LS type A: Cam groove of the LS cam plate.
For LS type B: Groove of the LS chassis assembly
(Coat the groove with grease)
Then, move the TG7 drive pin in the direction of the arrow B
until it stops. Then, insert the mechanism chassis shafts A and
B of the mechanism chassis assembly into the slots A and B of
the LS chassis assembly.
until it stops. Then, insert the mechanism chassis shafts A and
B of the mechanism chassis assembly into the slots A and B of
the LS chassis assembly.
2-1)LS type A: Tighten the three screws (M1.4) 2 in the order
starting from C, D and E, with the tightening
torque shown below.
torque shown below.
2-2)LS type B: Tighten the two screws (M1.4) 2 in the order of
C
and then D. Then fix it to the mechanism chassis
A with the stop ring 1.2 (E type)2.
Tightening torque: 0.078
±
0.01 N•m (0.8
±
0.1 kgf•cm)
3)
Attach the R drive gear assembly. (Refer to 4-8, 4-9.)
4)
Attach the blind plate. (Refer to 4-5.)
5)
Clean the tape running path. (Refer to 2-2.)
Note: Each arm must move smoothly.
2
Screw (M1.4)
Cam
groove
groove
3
Remove the LS
chassis block
assembly in the
direction of the
arrow
assembly in the
direction of the
arrow
A
.
When attaching it, coat the
hatched portion
with grease.
hatched portion
with grease.
LS guide T2 shaft
4
Slot of LS chassis
(at two locations)
LS guide roller
5
TG7 arm block
assembly
Mechanical chassis
block assembly
block assembly
Pin
6~8mm
Do not
bend here.
bend here.
1
HLC cut (1.8
×
4
×
0.5)
Note 1: The HLC cut is not
necessary for
re-assembling.
re-assembling.
LS type A
2
Screw (M1.4)
2
Stop ring 1.2 (E type)
Mechanism type A
Mechanism type B
LS type A
LS cam plate
LS cam plate
There are two types of mechanism
chassis. The stop ring 1.2 (E type) is
used for fixing.
chassis. The stop ring 1.2 (E type) is
used for fixing.
Slit A
LS grease cover
Slit B
Mechanism type B
• Remove the LS grease cover from
• Remove the LS grease cover from
underneath the slot A.
(Re-installation is not required.)
(Re-installation is not required.)
• When the LS chassis block assembly
is secured with the stop ring 1.2 (E type),
greasing is not necessary. First, wipe
the grease off from the right-arrow
groove with a clean cloth, and apply
grease to the left-arrow groove then
install the LS chassis block assembly.
greasing is not necessary. First, wipe
the grease off from the right-arrow
groove with a clean cloth, and apply
grease to the left-arrow groove then
install the LS chassis block assembly.
Stop ring 1.2 (E type)
Slit A
LS arm
assembly
assembly
Mechanism chassis shaft B
LS type B
Apply grease.
Mechanism type A
When re-assembling, coat the
hatched portion of
slits A and B
with grease.
hatched portion of
slits A and B
with grease.
A
B
C
D
E
1. Removal procedure
1)
Move the LS chassis block assembly between [USE] and
[LOAD].
[LOAD].
2)
Remove the blind plate. (Refer to 4-5.)
3)
Remove the R drive gear assembly. (Refer to 4-8, 4-9.)
4)
Remove the HLC cut (1.8
×
4
×
0.5) 1.
5)
There are two types of the LS chassis block assembly. In the
type A, B, the LS chassis block assembly can be removed with
three screws while the type C is removed by the two screws
and the stop ring 1.2 (E type).
For the type A; Remove the three screws (M1.4) 2.
For the type B; Remove the two screws (M1.4) 2.
type A, B, the LS chassis block assembly can be removed with
three screws while the type C is removed by the two screws
and the stop ring 1.2 (E type).
For the type A; Remove the three screws (M1.4) 2.
For the type B; Remove the two screws (M1.4) 2.
Remove the stop ring 1.2 (E type).
6)
Remove the LS chassis block assembly 3 in the direction of
the arrow A.
the arrow A.
2. Attachment procedure
Note: When installing the LS chassis block assembly into the mechanism
type B, remove the LS grease cover wipe off the grease from the
slot in the case if the LS grease cover is used underneath the slot A
in the mechanism type B.
slot in the case if the LS grease cover is used underneath the slot A
in the mechanism type B.
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