TM 9-2320-361-34 15-41. POWER LEVELER MAINTENANCE (Contd) c. Cleaning and Inspection 1. Clean and inspect bearings (7) and (16) and housing (8) (TM 9-214). Replace if damaged. 2. Inspect all gears and sprockets for small chips, burrs, and scratches. Raised metal can be removed with a fine mill file. 3. Inspect all parts for cracks, breaks, and other damage. Replace if damaged. 4. Inspect sprocket (6), worm drive gear (28), worm drive pinion (10), shaft (19), bearing in housing cap (25), and bearings (31) and (32) in housing (8) for wear and other damage. Refer to table 15-7, Power Leveler Wear-Limits, for measurements. Replace if worn or damaged. Table 15-7. Power Leveler Wear Limits. ITEM WEAR LIMITS/TOLERANCES NO. lTEM/POINT OF MEASUREMENT INCHES MILLIMETERS 6 Sprocket: Inside diameter 1.751-1.753 44.48-44.53 Outside diameter 2.873-2.874 72.97-73.00 10 Worm drive pinion (diameter) 1.376-1.377 34.95-34.98 19 Shaft: Diameter “A” 1.249-1.250 31.72-31.75 Diameter “B” 1.378-1.379 35.00-35.03 25 Bearing housing cap (inside diameter) 1.379-1.381 35.03-35.08 28 Worm drive gear (outside diameter) 2.247-2.249 57.07-57.12 31 Bearing (inside diameter) 2.875-2.876 73.03-73.05 32 Bearing (inside diameter) 2.250-2.251 57.15-57.18 d. Assembly 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 15-162 NOTE Install all shims to measured distance. Pack bearings (7) and (16) with GAA grease. Install new shim(s) (17), bearing (16), nut (15), and new cotter pin (14) in housing (8). Install worm drive gear (28), clutch (29), yoke (30), and shaft (1) in housing (8). Install shaft (19) in housing (8). Install bearing (7), sprocket (6), new shim(s) (5), bearing retainer (4), nut (2), and new cotter pin (3) on shaft (19). Install spacer (9), new woodruff key (18), takeoff pinion (10), washer (11), nut (12), and new cotter pin (13) on shaft (19). Pack housing (8) with GAA grease. Position worm drive pinion (27) in housing cap (25). NOTE Ensure teeth of worm drive pinion aline with teeth of worm drive gear. Install new woodruff key (26) and sprocket (24) on worm drive pinion (27). Tighten setscrew (22) and install new safety wire (23). Install housing cap (25) on housing (8) with two new lockwashers (20) and screws (21).