Ohmart Vega W-4510, Technical Reference Hardware Manual

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Diagnostics and repair
124 W-4510 Weigh Scale Technical Reference Manual
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:
Table 23: Maintenance schedule
Description Frequency Procedure
Re-cal As required by process conditions, usually
at least once a month Smart Pro Calibration chapter
Source holder
shutter check Every six months unless otherwise
required by applicable nuclear regulatory
agency Radiation safety instructions shipped
separately with source holder and following
instructions
Source wipe Every three years unless otherwise
required by applicable nuclear regulatory
agency Radiation safety instructions shipped
separately with source holder and following
instructions
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.
Table 24: Spare part numbers
Description Ohmart part number
Gauge Frame:
Heater Control 235117
Lamp, Bayonet-type, 120VAC, 3W 232480
GEN2000 Electronics:
Power supply board 239747
W-4510 Weigh Scale CPU board 239623
125 mA fuse on power supply 238661
2A fuse on power supply 240539
Smart Pro:
CPU circuit board 235142
Power supply, +5VDC,
±
15VDC 237475
Interface circuit board 217283
Door Assembly (includes display and keypad) 205876
Fuse, 1 ¼ Amp, 250V, slow-blow (on I/O board) 214022