Table 2-1. Operator Preventive Maintenance Checks and Services (PMCS).

TM 10-4930-232-12&P Leakage Definitions: Class I Seepage of fluid (as indicated by wetness or discoloration) not great enough to form drops. Class II Leakage of fluid great enough to form drops but not enough to cause drops to drip from item being checked/inspected. Class III Leakage of fluid great enough to form drops that fall from the item being checked/inspected. Table 2-1. Operator Preventive Maintenance Checks and Services (PMCS). NOTE Within designated interval, the checks are to be performed in the order listed. Item Interval Item to Be Procedure Not Fully Mission No. Checked or If: Serviced 1 Before Gate valves Check for leaks at seal, gasket Leaks are observed or or fittings. Hardware missing or hardware is unservice- damaged able. 2 Before Wye and tee assemblies Check for leaks at seal, gasket Leaks are observed or or fittings. Hardware missing or hardware is unservice- damaged able. 3 Before Couplings Check for leaks at seal, gasket Leaks are observed or or fittings. Hardware missing or hardware is unservice- damaged able. 4 Before Hoses Check for breaks, cracks, dete- Hose(s) unserviceable rioration or damage. 5 Before Quick-acting valves Check for leaks at seal, gasket Leaks are observed or or fittings. Hardware missing or hardware is unservice- damaged able. 6 Before Collapsible tanks Refer to PMCS in applicable technical manual. 7 Before Filter/separators Refer to PMCS in applicable technical manual. 8 Before Pumps Refer to PMCS in applicable technical manual. 9 Before Nozzles Refer to PMCS in applicable technical manual. 10 During Gate valves Check for leaks at seal, gasket Leaks are observed or or fittings. Hardware missing or hardware is unservice- damaged able. 11 During Wye and tee assemblies Check for leaks at seal, gasket Leaks are observed or or fittings. Hardware missing or hardware is unservice- damaged. able. 12 During Hoses Check for breaks, cracks, Hose(s) unservicable deterioration or damage. Change 2 2-3