TM 9-2815-225-34&P 3-36.  VIBRATION DAMPER AND CRANKSHAFT PULLEY REPAIR (Contd) LOCATION/ITEM ACTION REMARKS b.  Inspect for leaks as follows: (1)  Apply a spray of spotcheck developer. (2)  Put in oven heated to 200F (93C) for approximately 2 hours. (3)  Remove from oven when Use protective gloves. it reaches oven temperature. (4)  Inspect for oil leaks. Discard if any leaks are found. c.  Check thickness as follows: (1)  Using SD-3 solvent and 290- Do not use coarse emery cloth grit emery cloth, remove paint or sharp tool to remove paint. from four areas on each side. (2)  Measure thickness at four Use suitable micrometer.  Measure unpainted areas. approximately 0.125 in. (3.175 mm) from outside diameter of damper (1).  Discard if difference between any two measurements is more than 0.010 in. (0.254 mm). FOLLOW-ON TASK:  Install vibration damper and crankshaft pulley (para. 3-79). 3-149