Figure 6-14. Checking Pre-loading of Engine Bearing Bores.

TM-10-4320-226-14 Water Pumping Assembly Diesel Engine Driven Wheel Mounted 350 Gallons Per Minute (GPM) 275 Foot Head Models: 350 PAW Manual
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TM 10-4320-226-14 6.6.4 Engine Maintenance, (continued) (4) (5) (6) (7) (8) (9) (10) Withdraw centering finger cylinder seating face. and slide tool holder (4) out to diameter of Do not turn spindle counterclockwise when reworking surface. Adjust feed carefully. A full turn (360°) of knurled nut feeds tool hollder 1 inch (1.5 mm). Failure to obey this caution may result in equipment damage. By means of knurled nut (5), turn spindle (6) of turning device clockwise and adjust tool holder (4) to face to be reworked. Move tool holder (4) towards middle of bore. Using knurled nut (5) set tool over and slightly beyond distance "a" to permit satisfactory refacing as shown in figure 6-13. Selected cutting depth should not exceed inch (0.2 mm). This feed corresponds to l/8th turn (45°) of knurled nut. Tighten setscrew (7) and turn spindle (6) to rework seating area until smooth and/or flush with top of crankcase surface. Set back tool holder and remove turning device. Clean crankcase thoroughly. Figure 6-14. Checking Pre-loading of Engine Bearing Bores. 6-29

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