Panasonic AJ-D93MC, Service Manual

Page: 130 / 180

MECH-52
5-20. T1 Boat Unit Replacement
and Adjustment
(Removal)
1. Unscrew the screw (C) and remove the T1 Post
from Loading Rail as shown in Figure 5-19-1 on
the previous page.
2. Hang off the T1 Boat Unit from T1 Loading Arm
Unit as shown in Figure 5-19-1.
(Installation)
1. Install the new T1 Boat Unit follow the removal
steps in reverse order.
2. After installation, confirm that the T1 Post moves
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
not to bend the both parts.
Figure 5-20-1
! 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 doesn’t have the 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 T1 boat 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 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 the emergency red screw clockwise and set
T1 Boat Unit to the position which the point (A), (B)
and (C) in Figure 5-20-2 be on the same line.
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
5-20-3.
4. Turn the Tool A and confirm that the Tool A
contacts to pin E (the position of pin E as shown in
figure 5-20-1) as shown in figure 5-20-3.
5. Set the T Arm Height Adj. Tool B (VFK1543) to take
up side cassette fixed pin as shown in figure
5-20-3.
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 5-20-1) as shown in figure 5-20-3.
<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