Panasonic AJ-D908MC, Service Manual

Page: 88 / 421

MECH-47
2-20. T1 Boat Unit Replacement
and Adjustment
(Removal)
1. Unscrew the screw (C) and remove the T1 Post
from Loading Rail as shown in Figure 2-19 on the
above page.
2. Hang off the T1 Boat Unit from T1 Loading Arm
Unit as shown in Figure 2-19.
(Installation)
1. Install the new T1 Boat Unit follow the removal
steps in reverse order.
2. After installation, confirm that the T1 Post move
smoothly on the Loading Rail.
3. Tape path Adjustment should be performed.
(Know how for Replacing T1 boat)
(1) T1 boat replacing procedure
Fix the T1 boat flat to the T loading arm N ass’y
with minimum bending of the T1 boat arm.
Figure 2-20-1
!
If the portion A shown in the figure above is
deformed , the T1 boat can cause snag during
loading or significant change in X-Value. Visually
check the portion A for deformation.
!
If deformation is found, remove the T1 boat, flatten
the arm by using an appropriate tool such as a pair
of long nose pliers and then install the T1 boat. Or,
replace the arm with a new one.
!
If the portion B shown in the figure above is
significantly deformed, the arm can become loose.
At a half load position, while pinching the portion C
of the arm with tweezers, slightly move the arm in
the directions of D shown in the figure several
times and make sure that the arm does not come
off. If it can come off, remove the T1 boat. Using
long nose pliers, narrow the opening B and then fit
the T1 boat.
(Confirmation and Adjustment Procedure)
Tool : T Arm Height Adj. Tool A (VFK1542)
T Arm Height Adj. Tool B (VFK1543)
(1) T1 boat replacing procedure
1. Turn clockwise emergency red screw and set
the hole of T1 Boat Unit to match line of take
up side cassette fixed pin as shown in figure
2-20-2.
2. Push the Pinch Roller by hand to be close to
Capstan and push the Pinch Solenoid by hand
so that the Pinch Roller contacts Capstan.
3. Set the T Arm Height Adj. Tool A (VFK1452) to
take up side cassette fixed pin as shown in
figure 2-20-3.
4. Turn the Tool A and confirm that the Tool A is
contact to pin E (the position of pin E as shown
in figure 1-20-1) as shown in figure 2-20-3.
5. Set the T Arm Height Adj. Tool B (VFK1543) to
take up side cassette fixed pin as shown in
figure 2-20-3.
6. Turn the Tool B and confirm that the Tool B
does not contact to pin E (the position of pin E
as shown in figure 2-20-1) as shown in figure
2-20-3.
<Specification of T Arm Height>
Contact of Pin E
Tool A (have cut) contact
Tool B (have not cut) no contact
Note 1 : In case Tool A does not contact to Pin E.
1. Remove the T1 Boat Unit from Loading Rail and
press up the T Loading Arm 1 by hand to change
the height of T Loading Arm.
2. Install the T1 Boat Unit and hit the Pin E from the
top lightly.
3. Repeat the T1 Loading Arm Height Adjustment.
Note 2 : In case Tool B contact to Pin E.
1. Remove the T1 Boat Unit from Loading Rail and
press down the T Loading Arm 1 by hand to
change the height of T Loading Arm.
2. Install the T1 Boat Unit and hit the Pin E from the
top lightly.
3. Repeat the T1 Loading Arm Height Adjustment.
E