Operator’s Preventive Maintenance Checks and Services -cont

TM 5-6635-386-12&P Table 5-1 Unit Preventive Maintenance Checks and Services Location Item Item to Not Fully Mission No. Interval Check/ Service Procedure Capable If: WARNING WARNING Always wear your beta-gamma badge or TLD badge when operating the tester and upon entering tester storage areas, and at other times as directed by the Local Radiation Protection Officer (LRPO). Beta-gamma badge or TLD badge will be exchanged every 30 days). WARNING The tester shall immediately be withdrawn from use when the wipe test indicates a reading of 0.1 mrem/hr or more, except in the case of the state of Colorado in which wipe test readings at or above twice the background (0.2 mrem/hr) or when the analysis laboratory test results reveal the presence of 0.005 or more microcuries. WARNING A tester is contaminated when reading of 0.1 mrem/hr or more, except in the case of the state of Colorado in which reading of 0.2 mrem/hr or more, is obtained from the swab. Follow procedure provided in Page 4-31. The swab is also contaminated. 1 Monthly Badge Beta-gamma badge or TLD badge Beta-gamma badge will be exchanged every 30 days. or TLD badge has not been exchanged within the last 30 days. WARNING Do not attempt to charge ZINC-CARBON batteries. ZINC-CARBON batteries are not be be used in the tester. Do not attempt to charge ALKALINE batteries. ALKALINE batteries are not to be used in the tester. 2 Semi- Batteries Check the batteries and holder Batteries are leaking annually for leakage and ensure that only NICAD batteries are being used. Charge NICAD batteries with AC charger or DC leads. 5-8