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4-10. S Tension Regulator Arm Assembly Replacement
Replacement
1. S tension regulator arm assembly
removal
(1) Unhook the spring from the S tension
regulator arm shown in the figure.
(2) Remove the two precision screws fixing the
bearing holder, then remove the S tension
regulator arm assembly.
2. S tension regulator arm assembly
installation
(1) Align the large round hole of the drawer arm
with the round hole of the mechanical deck.
(2) Set the S tension regulator arm assembly on
the mechanical deck so that the drawer arm
pin is put into the round hole and the mechan-
ical deck pin is put in the notch of the bearing
holder, then install it with the two precision
screws.
(3) Hook the spring removed in step 1.
3. S tension regulator guide cleaning
(1) Clean the guide roller of the S tension
regulator arm assembly with cleaning cloth
moistened with cleaning fluid.
(2) After cleaning, wipe with dry cloth.
Adjustment after replacement
4. S tension regulator offset/gain
adjustment
(Refer to Section 5-2.)
5. Tape running adjustment
(Refer to Section 5-4.)
4-38
Notch
Precision
Precision
PWH1.4 x 3.5
PWH1.4 x 3.5
S tension regulator
arm assembly
Bearing holder
Spring
Drawer arm pin
Mechanical deck pin
Round hole
Hook
BVW-55 P2
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