TM-9-2815-205-24 Technical Manual for M113 Engine 6V53 6V53T Download
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TEST AND INSPECTION CAUTION Do not use 1-1/4 NPT reducer bushing or pipe plug in oil cooler ports. Oil cooler ports are not tapered and damage will result. 1. Install fabricated machine-threaded plug (Figure 5, Item 39) in one port and standard machine-threaded plug (Figure 5, Item 40) from oil coolers pressure testing kit in other port of oil cooler (Figure 5, Item 38). 2. Connect air line to fabricated machine-threaded plug (Figure 5, Item 39) and pressurize oil cooler (Figure 5, Item 38) to 75 PSI (517 kPa). 3. Submerge transmission oil cooler (Figure 5, Item 38) in a container of water heated to 180°F (82°C). Leaks will be indicated by air bubbles in the tubes. Replace oil cooler if it leaks. 4. Release air pressure and remove air line and both machine-threaded plugs (Figure 5, Item 40). WARNING Compressed air used for cleaning purposes will not exceed 30 PSI (207 kPa). Use only with protective equipment (goggles, face shield, gloves, etc.). Failure to comply may result in injury to personnel. 5. Dry oil cooler (Figure 5, Item 38) with compressed air. 39 40 38 MAINT_022 Figure 5. Transmission Oil Cooler Test and Inspection. END OF TASK TM 9-2815-205-24 0011 0011-6