TM  10-3930-643-34 ENGINE,  FUEL,  EXHAUST  AND  COOLING  TROUBLESHOOTING  AND  MAINTENANCE.  (cont) 4-5. Vibration Damper. (Sheet 2 of 4) REMOVAL NOTE Before  removing  vibration  damper, check for wobble using dial indicator.  If  wobble  exceeds  0.06 inch  total  indicator reading, 1. 2. 3. 4. 5. replace vibration damper. Using a 9/16” socket and socket wrench handle, remove four bolts (1), washers (2) and plate (3) in front, bottom of engine. Using a 3/4”   socket and socket wrench handle, remove three bolts (4) and plate (5). Pull vibration damper (6) and key (7) off  crankshaft  using  puller. Remove spring washer (8). Use care during removal to avoid damaging the vibration damper hub. Remove  wear  sleeve  (9)  from  vibration damper (6) using chisel to split wear sleeve (9). Remove wear sleeve (9) only if it is worn, scratched  or nicked. Go to sheet 3 4-48