Chapter 4 Service Instructions
Models QT-740 & QT-750 - Service Manual
45
Cassette Tray Removal Procedure
To remove the cassette tray from the housing for cleaning or repair, pro-
ceed as follows:
1. Float the tabletop fully back.
2. Pull the cassette tray out by the handle until it stops.
3. Grasp both sides of the tray with your right hand placed near the
table and your left hand towards the tray front.
4. Locate the finger hole on the right side of the tray bottom. A
spring-loaded plate covers this hole. Press the plate with your
right index finger, lift the cassette tray up slightly and pull the tray
away from the housing.
REPLACEMENT PARTS AND ORDERING INFORMATION
Table 2 provides a list of replaceable parts for the table. Figures 22 through 28
show the locations of the replaceable parts in the system.
Table 2. Replaceable Parts
Item Description
Part
Number
Model(s)
Used On
Qty Used
in System
1 Foot Pedal/Up/Down Limit
Switches
EL50-006 QT-740
QT-750
1
8
2 4-Way Table Control Board AY40-017T QT-740 1
3 6-Way Table Control Board AY40-002T QT-750 1
4 AC Transformer EL55-010 QT-740 1
5 Fuse, 2 Amp (115 VAC
Input)
Fuse, 1 Amp (230 VAC
Input)
EL45-008
EL45-007
QT-740 1
6 Small Magnet EL58-003 QT-740
QT-750
4
4
7 Bucky Locking Magnet EL58-004 QT-740
QT-750
1
1
8 Switch, Emergency Shut
Off
EL50-009 QT-750 1
9 Switch, Foot Pedal Disable EL50-014 QT-750 1
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