5-9
VL-H870U
VL-H875U
VL-H890U
VL-H870U
VL-H875U
VL-H890U
Figure 3
(3) Upper drum ass’y
Remove the upper drum
ass’y from the lower drum
ass'y as shown in Figure
3.
At this time take care so
as not to lose the gap shim.
Figure 8
Upper drum
ass'y
Gap shim
Lower drum
ass'y
Figure 5
(5) Balancer
Remove the balancer
mounting screw as
shown in Figure 5, and
remove the balancer.
Balancer mounting
screw
Balancer
Upper drum
ass'y
(4) Motor rotor ass'y and ro-
tary transformer rotor
ass'y
Remove the 2 rotor
mounting screws as
shown in Figure 4, and
remove the motor rotor
and the rotary transformer
ass'y.
Motor rotor
Positioning
hole
Upper drum
ass'y
Rotor mounting
screw
Positioning pin
(6) Lower drum ass'y
Remove the FPC mounting
screw from the lower drum
ass'y as shown in Figure 6.
Rotary transformer
rotor
Positioning pin
Cleaning (shaded area)
(holder)
Mounting screw hole
Rotary transformer
Rotor ass'y
Positioning hole
To be aligned with
RTr rotor side position
pin.
Cleaning
Figure 6
Lower drum ass'y
FPC mounting screw
Alignment position (3 pcs.)
L ch
R ch
Motor rotor
Mounting screw
Upper drum ass'y
Head mounting
screw
Screw relief hole
Motor rotor
Upper drum ass'y
Rotor mounting screw
Rotary transformer
rotor ass'y
In this state put the motor rotor on the upper surface of upper
drum ass'y, and tighten the mounting screw. At this time make
sure that the head screw in the three places is visible through
the motor rotor hole (Figure 8). The screw tightening torque
must be 0.1N·m (1 kg·cm).
Figure 7
<Installation>
Install the upper drum in the reverse order of removal.
(1) Balancer
Mount the balancer to the upper drum ass'y with the balancer
mounting screw. The screw tightening torque must be 0.1N·m
(tighting torque 1kg·cm). (Figure 5)
(2) Motor rotor, rotary transformer rotor ass’y
Clean the contact surfaces of rotor ass’y holder and upper drum
ass'y, and ascertain that there are no contamination and flaws.
Next, adjust the phase so that the positioning pin of rotor ass'y
is inserted into the positioning hole of upper drum, and tight fit
the rotor ass'y to the lower surface of upper drum ass'y (Figure
7).
Figure 4
Summary of Contents for VL-H870U
Page 46: ...VL H870U VL H875U VL H890U 4 1 3 2 LOCATION MAP 3 4 S R Q P O N M L K J 8 3 ...
Page 50: ...VL H870U VL H875U VL H890U 8 7 S R Q P O N M L K J 4 1 3 2 LOCATION MAP 3 4 RIMOCON JACK UNIT ...
Page 54: ...VL H870U VL H875U VL H890U S R Q P O N M L K J 4 1 3 2 LOCATION MAP 3 4 8 11 LCD PANEL ...
Page 58: ...VL H870U VL H875U VL H890U S R Q P O N M L K J 4 1 3 2 LOCATION MAP 3 4 8 15 ...
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