QSA Global, Inc.
40 North Avenue Burlington, MA 01803
888.272.2242
781.272.2000
qsa-global.com
Operations Manual
MAN-038 March 2019
Page 24 of 100
STEP 4 Continued
Locking the Gamma-ray source projector
When the source assembly is properly stored in the gamma-ray source projector, rotate the selector
ring from the
OPERATE
position to the
CONNECT
position, remove the remote controls and install
the dust cover assembly. Engage the lock cover assembly to the selector ring and rotate to the
LOCK
position. Engage the plunger lock and remove the key.
Safeguard the key from unauthorized access.
WARNING
If after several attempts to return the source assembly, the selector ring cannot be rotated
to the lock position (do not use excessive force) or the lock slide is not actuated, one must
suspect an accident in which the source assembly may have become disconnected or
stuck outside the projector, giving rise to a very high radiation field. Treat the situation as
an EMERGENCY.
STEP 5
Dismantling equipment
Remote control unit
Unlock the gamma-ray source projector and then rotate the selector ring counter-clockwise from LOCK
to CONNECT. The remote control connector will partially disengage from the gamma-ray source
projector's locking mechanism.
Completely disengage the remote controls from the gamma-ray source projector by disengaging the
control cable connector from the source assembly connector. Place the protective cover over the
remote control's connecting plug assembly to exclude dirt and protect the control cable connector from
damage. Roll the remote control conduits loosely for easier handling and transport.
Reinstall the locking mechanism's protective dust cover, hold in place and rotate the selector ring
clockwise to the LOCK position. Push in the plunger lock and remove the key to lock the gamma-ray
source projector.
Source guide tubes
Remove the source guide tube attached to the gamma-ray source projector outlet port by:
1
Rotating the spring-loaded outlet cover 60 degrees in a counter-clockwise direction.
2
Grasp the source guide tube fitting and rotate a quarter of a turn in a clockwise direction. This
action will allow removal of the source guide tube from the outlet port.
3
Simultaneously pull and rotate the spring-loaded outlet port cover a quarter of a turn in a counter-
clockwise direction.
Place the protective covers on the fittings of each source guide tube used to exclude dirt and protect
the swaged fittings. Source guide tubes should be rolled up loosely for easier handling and transport.