TM-9-2815-205-24 Technical Manual for M113 Engine 6V53 6V53T Download
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ADJUST Governor Gap NOTE Before proceeding with governor adjustments, disconnect linkage from stop lever and speed control lever. 1. On all except model 5063-5299, loosen two nuts (Figure 1, Item 1) on throttle delay U-bolt (Figure 1, Item 3) on right injector control tube (Figure 1, Item 2). Injector control tube must move freely in U-bolt. 1 3 2 MAINT_415 Figure 1. Fuel Injector Control Tube. WARNING Avoid contact with hot manifolds, pulleys, and other moving parts. Wear proper ear protection when running engine. Failure to comply may result in injury to personnel. 2. Start and operate engine to attain coolant outlet temperature of 160–185°F (71–85°C). 3. Stop engine and remove two bolts (Figure 2, Item 12), two copper flat washers (Figure 2, Item 11), spring pack cover (Figure 2, Item 10), and gasket (Figure 2, Item 9) from side of governor. Discard gasket and flat washers. NOTE Do not back the buffer screw out beyond limits given or the control link lever may disengage the differential lever. 4. Loosen locknut (Figure 2, Item 4) and back out buffer screw (Figure 2, Item 5) until it extends 5/8 in. (16 mm) from locknut. 5. Start engine. Hold idle speed screw (Figure 2, Item 8) and loosen idle speed locknut (Figure 2, Item 7). Adjust idle speed screw to obtain idle of 500–600 rpm. Hold idle speed screw and tighten idle speed locknut. 6. Stop engine using engine stop lever (Figure 2, Item 6). TM 9-2815-205-24 0100 0100-2