CRANKSHAFT, MAIN BEARINGS, FLYWHEEL & CRANKCASE - CONT

CRANKSHAFT, MAIN BEARINGS, FLYWHEEL & CRANKCASE - CONT - TM-5-3820-256-24-5_276

CRANKSHAFT, MAIN BEARINGS, FLYWHEEL & CRANKCASE - CONT - TM-5-3820-256-24-5_278

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 CRANKSHAFT, MAIN BEARINGS, FLYWHEEL & CRANKCASE Section 6 Figure 22. - Conventional Crankcase Mounted Breather Assembly 1. Breather tube 2. "O" ring 3. Breather body 4. Baffle housing 5. Breather element Figure 23. - Valve Cover Mounted Breather Assembly 1. Lower breather tube 2. Clamps 3. Upper breather tube 4. Hose 5. Breather housing assembly 6. Breather element 7. Breather gasket 8. Breather tube support 8. The "OLD" Crankcase Mounted ventilation system requires breather replacement as follows: a. Remove the screws securing the breather tube (1, Fig. 22) and the screws securing the housing (3). b. Remove the housing (3, Fig. 22), baffle housing (4) and element (5). c. Install a new breather element (5, Fig. 22) and a new baffle housing (4). Install body (3) with tube (1) and secure hardware. NOTE: Element must be installed in the crankcase, not in the breather body, to avoid excessive oil carryover into the tube. 9. The "NEW" Valve Cover Mounted ventilation system requires breather replacement as follows: a. Remove screws securing the breather housing assembly (5, Fig. 23) and clamps ’(2) securing hose (4) to breather tube (3) and housing. b. Remove breather housing and element (6, Fig. 23). c. Install a new breather element (6, Fig. 23) and inspect the breather gasket (7). Replace the gasket if damaged. d. Reassemble components as shown in Fig. 23. CGES-185-3 PRINTED IN UNITED STATES OF AMERICA Page 18

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