Hitachi VTMX900ECT Wartungshandbuch Seite 12

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4. Dismantling of the motherboard/drive
combination (Fig. 3) (Fig. 4)
Preparation
Remove the housing cover as described in section 1.
Remove the front panel as described in section 3.
- Move device into operational position (Fig. 3).
- Undo the two screws (B) of the stay and pull it up to remove it.
- Push back the lift by 5 cm after releasing both lift stops.
- Undo and remove the four fastening screws (C) of the drive.
- Detach the Cinch socket cable (K) and ground cable (M) from
the socket print (if present).
- Remove the cables (K1; K2; K3) from the guides on the rear of
the frame.
- Pull the Cinch socket holder with the socket and print up and
out of the frame (if present).
- Position the device with the base plate facing up.
- Undo the 8 catches (S) from the rear right to the rear front and
then from the rear left to the front left.
- After the weight of the motherboard/drive unit has released it
from the frame, the catch (S) at the mains socket has to be
released for a second time.
- The frame can be removed by lifting it off.
- Turn the motherboard/drive unit and move it into the service
position (Fig. 5), if necessary.
The device is operational in this position
"Eject" must NOT be used !!!
Caution:
Adjustments can not be made in the service position.
"Eject" must NOT be used !!!
Assembly
- Position the frame with the top open onto a level surface.
- Hold the drive on the side at the lift and insert the motherboard/
drive unit into the frame, pushing it down lightly. Observe that
the power supply and Scart sockets are positioned in
openings.
- Check that all 8 catches (S) are engaged.
- Secure the drive with the four holding screws (C).
- Move the lift into the "Eject" position.
- Push the stay onto the frame with the chamfered side facing to
the rear and secure with both screws (B).
- Insert the Cinch socket into the opening and ensure that it
engages.
- Connect the Cinch socket and the ground cable (K ; M)
(if present).
- Insert the cables (K1; K2; K3) into the supports provided in
the frame.
- Replace the front panel and the housing cover.
GB
M/K
K
1
C
B
C
Lift protection
Fig. 3
S
Fig. 4
C
K K
2 3
C B
S