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Diagnostics and repair
Maintenance and repair
Periodic maintenance schedule
The W-4510 Weigh Scale requires very little maintenance because it contains no moving
parts. We suggest the following schedule to prevent problems and to comply with radiation
regulations:
Description
Frequency
Re-cal
As required by process conditions, usually
at least once a month
Source holder
Every six months unless otherwise
shutter check
required by applicable nuclear regulatory
agency
Source wipe
Every three years unless otherwise
required by applicable nuclear regulatory
agency
Spare parts
Spare parts are available directly from Ohmart Parts and Repairs Department for U.S. and
Canada installations. Installations in other countries can purchase spare parts through their
local Ohmart representative.
Description
Gauge Frame:
Heater Control
Lamp, Bayonet-type, 120VAC, 3W
GEN2000 Electronics:
Power supply board
W-4510 Weigh Scale CPU board
125 mA fuse on power supply
2A fuse on power supply
Smart Pro:
CPU circuit board
Power supply, +5VDC, ±15VDC
Interface circuit board
Door Assembly (includes display and keypad)
Fuse, 1 ¼ Amp, 250V, slow-blow (on I/O board)
124
Table 23: Maintenance schedule
Table 24: Spare part numbers
W-4510 Weigh Scale Technical Reference Manual
Procedure
Smart Pro Calibration chapter
Radiation safety instructions shipped
separately with source holder and following
instructions
Radiation safety instructions shipped
separately with source holder and following
instructions
Ohmart part number
235117
232480
239747
239623
238661
240539
235142
237475
217283
205876
214022
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