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3-58
GY-2120WD/WS
10. Remove the Ring Roller
Remove the screw, then remove the ring roller
(B).
c
Be careful not to touch the drum (especially the
rotary heads).
11. Remove the Threading Ring Assembly
Remove the threading ring assembly from the
chassis.
c
Be careful not to damage the drum (especially the
rotary heads and the tape running surface of the
upper drum) and the capstan motor shaft.
Installation
12. Cleaning
Clean the inside of the threading ring assembly
with a cleaning cloth moistened with cleaning
fluid.
13. Install the Threading Ring Assembly
Press the T tension arm in the direction indicated
by the arrow, and install the threading ring
assembly while fitting it to the grooves of the ring
rollers (A) and (C).
14. Install the Ring Roller
(1) Pass the ring roller (B) through the ring roller
shaft while holding the threading ring
assembly so that it does not come off from
the grooves of the ring rollers (A) and (C).
Then tighten the screw.
(2) Check that the threading ring does not come
off from the three ring rollers.
And check that the roller of the T tension
regulator does not come off from the side of
the threading ring.
15. Install the Gear Box Assembly
Refer to steps 3 and 4 in Section 3-6-4.
16. Confirm the Threading Ring Operation
Turn the M gear of the gear box assembly
manually and confirm that the threading ring and
the three ring rollers rotates smoothly while
repeating the threading and unthreading.
Remove/Install the Threading Ring Assembly
3-5. Threading Ring Block
*
Drum assembly is omitted in this figure.
Screw (B3
x
16)
Washer
Ring roller (B)
Threading ring
assembly
T tension arm
Roller
Ring roller (A)
Ring roller (C)
Chassis
Содержание GY-2120WD
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Страница 27: ...1 17 GY 2120WD WS 1 6 Fixture and Measuring Equipment for Adjustment 1 2 3 4 5 6 7 8 9 0 18 10 d l l d d ...
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Страница 437: ...7 3 GY 2120WD WS Index Mechanical Deck Overall Block 6 7 9 8 2 1 3 4 5 ...
Страница 457: ...7 23 GY 2120WD WS Printed Circuit Board Bottom Side Block 902 902 901 PWH3 x 8 PWH3 x 8 PWH3 x 8 PWH3 x 8 PWH3 x 8 ...
Страница 469: ...8 1 GY 2120WD WS 8 1 Section 8 Block Diagrams Frame Wiring ...
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