Source container FQG60
24
Hauser
Maintenance and Inspection
Cleaning
Clean the device in periodical intervals. When doing so, observe the following:
• Clean the device from substances which may have impact on safety functions.
• Keep labels in legible condition.
• Clean the labels with a damp cloth and water only.
CAUTION
!
When cleaning the device, the safety instructions have to be observed
Maintenance and Inspection
In designated use, operated under the specified ambient and operating conditions, no maintenance of
the device is required.
Within the framework of routine inspections of the plant the following checks are recommended:
• Visual inspection for corrosion of the housing, weld seams, padlock or snap hook and the "radiation
source" nameplate with grooved drive studs (anti-theft).
• Test of the movability of the shutter (ON/OFF function)
• Visual check of the readability of the labels and the condition of the warning symbols
• Test of the function of the padlock, and also of the snap hook if present
CAUTION
!
What to do in case of uncorrect function
‣
If there is any doubt about correct function or proper condition of the device, immediately contact
the responsible radiation safety officer for advice.
‣
Non-routine repair or maintenance must be performed by the gauge manufacturer or distributor
or - in the USA - by a person specially authorized by NRC or an Agreement State.
Measures in case of corrosion
If considerable corrosion occurs at the source container, measure the radiation level around the device.
If values occur exceeding the normal operation level, cordon off the area and contact the responsible
radiation safety officer for instructions immediately.
CAUTION
!
What to do if source container is damaged
‣
Corroded source containers must be replaced immediately.
‣
Only use genuine spare parts to replace damaged padlocks or snap hooks.
Routine shutter mobility test
Loosen the snap hook (Feature 020, Option model B) or remove the padlock (Feature 020, Option
model C) as described in the "Operation" section (
Move the shutter several times from ON to OFF and from OFF to ON as described in the "Operation"
section. The shutter should be easy to move and must not show any visible indication of corrosion.
- If the shutter cannot be moved from ON to OFF, follow the instructions in the "Emergency
Procedure" section" (
26).
- If the shutter does not move easily or shows any other indication of possible malfunctions, secure
it in the OFF position and contact the responsible radiation safety officer for further instructions.
- In case of corrosion follow the instructions in the "Inspection (Measures in case of corrosion)"
1.
2.
