Fig. 16. Separating Compressor Wheel From Turbine Shaft

Fig. 13. Removing Center Housing From Turbine Housing

TM-5-3820-256-24-5 Drilling System Well Rotary Truck Mounted Air Transportable 600 Feet Capacity Model LP-12 NSN 3820-01-246-4276 Manual
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SERVICE MANUAL 7. On DT-466 applications, slide the compressor wheel from the turbine shaft. If carbon buildup prevents easy removal, press the shaft from the compressor wheel according to Step 9. 9. Support the center housing assembly on the arbor press as shown in Fig. 16. Grind the radius on the end of a 1/4 inch bolt to fit the end of the shaft. Press the shaft from the compressor wheel. Hold the turbine wheel and shaft to prevent it and the shroud from being damaged by dropping. Fig. 16. Separating Compressor Wheel From Turbine Shaft 1. Bolt 2. Compressor Wheel 10. Straighten the tabs on the lock plates and loosen the capscrews securing the center housing to the back plate (Fig. 17). Do not remove the capscrews in this position. Fig. 17. Center Housing Assembly 1. Center Housing 2. Shroud 3. Lock Plate 4. Back Plate CTS-4104 PRINTED IN UNITED STATES OF AMERICA Page 12

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