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TM-9-2350-261-20-1 Unit Maintenance Manual Volume 1 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download

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TM 9-2350-261-20-1 PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDING LUBRICATION INSTRUCTIONS — Continued 0120 00 ITEM NO. INTERVAL MAN- HOUR ITEM TO BE CHECKED OR SERVICED CREWMEMBER PROCEDURE EQUIPMENT NOT READY/ AVAILABLE IF: g. Test for reserve alkalinity (corrosion protection) by means of the Test Kit, Reserve Alkalinity. Color indication of the test stick will determine condition of the coolant and its potential corrosion protection. Instructions for use are as follows: 1) Dip stick into coolant, and remove immediately. Do not use test stick if coolant temperature is below 50 F (10 C) or if using a commercial brand antifreeze. Test kit indicates the coolant is unsafe. 2) Fifteen seconds after dipping, compare color on the stick with the color on the chart on the container, and annotate. 3) Blue indicates coolant is safe to use. 4) Green indicates reserve alkalinity and corrrosion protection of coolant is marginal but may be used safely until next service inspection. 0120 00-90 º º