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OPERATING INSTRUCTIONS
2.11
STEP 5
Dismantling equipment
Remote control unit
Unlock the exposure device and then rotate the selector ring counter-clockwise from LOCK to CONNECT.
The remote control connector will partially disengage from the exposure device's locking mechanism.
Completely disengage the remote controls from the exposure device 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 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 exposure device.
Source guide tubes
Remove the source guide tube attached to the exposure device 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.
Surveying
After installing the locking mechanism’s protective cover and the outlet port cover, survey the entire
circumference of the exposure device with the survey meter to ensure the source is fully shielded and
properly secured. The survey should not measure more than 2 mSv/hr (200 mR/hr) on any surface of the
exposure device and should indicate the same measurement as the initial survey.
Storage
Lock the exposure device and secure it in a clean dry storage area where it cannot be tampered with or
removed by unauthorized personnel. Perform a storage survey on the surface of the exposure device to
verify the dose rate is less than 2 mSv/hr (200 mR/hr) and record.
A radioactive material warning notice must be posted on the door or entrance of the storage area. The door
or entrance must be locked to prevent access by unauthorized personnel.