Figure 4. - Turbocharger Properly Capped

Figure 5a. - Foreign Material Turbo Damage

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 TURBOCHARGERS Section 1 REMOVAL Remove the Turbocharger as Follows: 1. Remove the exhaust elbow (1, Fig. 3), (held with hex-head cap screws, nuts and lock washers.) 2. Remove the Turbocharger exhaust sleeve (not shown), located between the exhaust and Turbine housing. NOTE: The exhaust sleeve Is loosely hold and must be supported when removed. 3. Disconnect the oil Inlet tube (4) and drain tube (5) from the center housing. Remove and discard all tube gaskets. 4. Loosen the clamps and remove the air cleaner hose (pipe) (not shown) from the compressor housing. 5. Loosen the clamps on the air-crossover tube hose (2) at the air compressor housing. Position these parts away from the Turbocharger. 6. Remove all four Turbocharger mounting bolts and lift the Turbocharger from the exhaust manifold (6). 7. Remove the Turbocharger gasket from the exhaust manifold. 8. Cover or plug the exhaust manifold and air tubes. NOTE: Prevent the entrance of foreign materiel by covering or pluging all openings Into the Turbocharger. Covers must remain In place until the Turbocharger Is Installed end all connections are secured (See Fig. 4). Figure 4. - Turbocharger Properly Capped Figure 3. - Turbocharger Removal 1. Exhaust Elbow 2. Air-Crossover Tube 3. Air Inlet 4. Oil-Inlet Tube 5. Oil-Outlet Tube 6. Exhaust Manifold CGES-185-3 PRINTED IN UNITED STATES OF AMERICA Page 5

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