3–12. LEFT OR RIGHT MAIN WHEEL ASSEMBLY

TM 1-1520-238-T-4 3–29 3–12. LEFT OR RIGHT MAIN WHEEL ASSEMBLY – DOES NOT ROTATE FREELY 3–12 Tools: Nomenclature Part Number Tool Kit, Aircraft SC518099CLA01 Mechanic’s Jack, Hydraulic Axle, MIL-J-26013 5-Ton (2) Personnel Required: 67R Attack Helicopter Repairer One person to assist References: TM 1-1520-238-23 WARNING Brake fluid may be pressurized. To avoid possible eye injury, wear face shield. NOTE · Veering to the left may be caused by grabbing of the left brake or by complete free wheeling of the right wheel. · Veering to the right may be caused by grabbing of the right brake or by complete free wheeling of the left wheel. 1. Release brake pressure and rotate binding wheel assembly. Does wheel rotate freely? YES Go to paragraph 3–10. NO Go to step 2. 2. Inspect binding wheel brake assembly. Is brake disc binding in brake assembly? YES Go to step 3. NO Go to step 4. 3. Check parking brake. Is parking brake released? YES Go to step 6. NO Go to step 5. 4. Check binding wheel assembly for looseness. Is wheel assembly loose? YES Inspect binding wheel assembly axle nut, axle and bearings (TM 1-1520-238-23). NO Remove wheel assembly and inspect bearings. Replace as necessary (TM 1-1520-238-23). 5. Release parking brake and rotate binding wheel assembly. Does wheel rotate freely? YES Go to paragraph 3–10. NO Go to step 6. 6. Check brake disc assembly. Is brake disc binding in brake assembly? YES Inspect brake assembly and replace as necessary (TM 1-1520-238-23). NO Remove wheel assembly and inspect bearings. Replace as necessary (TM 1-1520-238-23). END OF TASK