TM  10-3930-643-34 BRAKE  TROUBLESHOOTING  AND  MAINTENANCE.  (cont) 8-14. Air Compressor. (Sheet 9 of 13) CLEANING/INSPECTION  (cont) 43. Using a feeler gage, measure ring gap. Gap should be 0.003 to 0.010 inches. 44. Using a feeler gage, check clearance of pin (25) in bushing (28). Clearance  should  be  0.0002  to  0.0006 inches  . NOTE Ensure that all match marks on connecting rods and rod caps are alined  and  connecting rods are installed  on  journal  from which they were removed. 45. Using a 1/2”   socket,  socket wrench handle, torque wrench, install connecting rod (26), new bearing halves (19 and 21), two rod caps (18), bolts (20) and locknuts (17) on crankshaft (38) with Plastigage. Tighten four bolts (20) to 9 lb-ft. 46. Remove  Plastigage  and  measure  bearing clearance. Bearing clearance must be 0.0005 to 0.0020 inches. 47. Using a feeler gage, measure connecting rod (26) to crankshaft side clearance. Clearance must be 0.003 to 0.008 inches. Go to sheet 10 8-70