Gantry Rotation (Mechanical And Gravitational Energy); Disable Gantry Rotation; Restore Gantry Rotation; Figure 1-2: Gantry Rotational Lock - GE Discovery LS System Service Manual

GE H
EALTHCARE
D 2307224-100, R
IRECTION EVISION
1.5.3

Gantry Rotation (Mechanical and Gravitational Energy)

1.5.3.1

Disable Gantry Rotation

1.) Remove the right side gantry cover and place in a safe location.
2.) Disable the Axial Drive from the STC Backplane.
3.) Engage the Gantry rotational lock (shown in
direction until the Gantry no longer moves.
Note: The locked handle is shown in
them.
4.) Remove power from the system as described in Section
1.5.3.2

Restore Gantry Rotation

1.) Verify all test equipment is removed from the Gantry and all components are installed and
torqued per service procedures.
2.) Notify affected personnel that equipment will be re-energized and LOTO devices removed.
3.) Remove Gantry LOTO tag, and disengage the Gantry rotational lock by turning the handle in
a counterclockwise direction.
4.) Restore power to the system as described in Section
5.) Enable the Axial Drive.
Page 38
6

Figure 1-2: Gantry Rotational Lock

Handle
Shown Unlocked
Figure 1-3

Figure 1-3: Gantry Rotation Lock Out

Shown Locked
Chapter 1 - Preface
D
ISCOVERY
Figure 1-2) by turning the handle in a clockwise
without LOTO devices since there is no place to attach
1.5.2.1 on page
1.5.2.2 on page
LS S S M
YSTEM ERVICE ANUAL
37.
37.