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5-3-2. REV Back Tension Check and Adjustment
5-3-2. REV Back Tension Check and Adjustment
Be sure to perform this check and adjustment when replacing the T reel table,
tension regulator band and T tension regulator arm.
Tool
. Torque cassette (FWD back ten.) (MW-389): J-6323-890-A
. Adjustment driver
Preparations
1. Check that the unit is in the unthreading end state.
2. Turn off the power.
3. Remove the upper frame without disconnecting the harness connectors.
(Refer to the maintenance manual Part 1, step (1) to (4) in Section 1-6-2.)
4. Remove the cassette compartment. (Refer to the maintenance manual Part 1,
Section 1-7.)
5. Set the switches S100-1 and S100-2 on the SV-206 board to ON.
Check procedure
1. T tension regulator arm operating
position check
For your reference
Adjust the T tension regulator arm operating
position by changing the tension regulator band in
length.
(1) Power on the unit and put the unit into the
threading end state.
(Refer to the step 1 in Section 4-2.)
(2) Check the positional relationship between the
connection line which connect the center-to-
center of T tension regulator arm (T6) guide
and T7 guide, and the side edge of the
mechanical deck is parallel.
(3) If not, adjust the eccentric pin (white) on the
tension regulator band using a flatbladed
screwdriver so that the positional relationship
meets.
5-12
T tension regulator (T6) guide
Tension regulator
band
Parallel
T7 guide
Eccentric pin
(white)
BVW-55 P2
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