TM-9-2815-205-24 Technical Manual for M113 Engine 6V53 6V53T Download
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Air Box Pressure WARNING Mercury is a toxic material. Avoid contact with skin. Clean up any spilled mercury. Dispose of small amounts of mercury by wiping with aluminum foil. Failure to comply may result in injury, illness, or death to personnel. 1. Remove one tube connector (Figure 12, Item 41) from u-tube manometer (Figure 12, Item 46) by rotating counterclockwise. 2. Turn remaining tube connector (Figure 12, Item 42) clockwise until fully engaged and then back out one full turn. 3. Add mercury to u-tube manometer (Figure 12, Item 46) until mercury level (Figure 12, Item 45) is opposite zero mark on scale with u-tube manometer vertical. 4. Install tube connector (Figure 12, Item 41) until fully engaged and then back out one full turn. 5. On models 5063-5392, 5063-5393, and 5063-539L, disconnect air box drain tube (Figure 12, Item 44) from elbow (Figure 12, Item 43) in cylinder block. Plug air box drain tube routed to engine crankcase. 46 45 44 43 42 41 LEFT SIDE REAR MAINT_433 Figure 12. Air Box Pressure Check. NOTE On models 5063-5392, 5063-5393, and 5063-539L ensure air box drain tube and elbow are not plugged with sludge or debris. 6. Connect nonmetallic tubing (Figure 13, Item 48) to air box drain tube (Figure 13, Item 47) and to tube connector (Figure 13, Item 41). Close tube connector connected to nonmetallic tubing. 7. Mount u-tube manometer (Figure 13, Item 46) in a vertical position and adjust scale until zero mark is opposite mercury level. TM 9-2815-205-24 0101 0101-12