TM 5-4310-384-13 APPENDIX G.  TORQUE LIMITS Table G-1.  Self-Locking Nut Breakaway Torque Values Minimum Breakaway Minimum Breakaway Thread Size Torque (In.-Lbs.) Thread Size Torque (In.-Lbs.) 10-32 2.0 5/8-18 32.0 1/4-28 3.5 3/4-16 50.0 5/16-24 6.5 7/8-14 70.0 3/8-24 9.5 1-12 90.0 7/16-20 14.0 1-1/8-12 117.0 1/2-20 18.0 1-1/4-12 143.0 9/16-18 24.0 NOTE:  To determine breakaway torque, thread nut onto screw or bolt until at least two threads stick out.  Nut shall not make contact with a mating part.  Stop the nut.  Torque necessary to begin turning nut again is the breakaway torque.  Do not reuse self-locking nuts that do not meet minimum breakaway torque. Table  G-2.  Compressor Repair and Replacement Standards Mfr's. Dimensions and Tolerances in Inches (cm) Desired Clearance Inches (cm) Maximum Allowable Wear and Clearance Components Minimum Maximum Minimum Maximum in Inches (cm) Cylinders: Bore, low pressure 2.625 2.630 0.0158 0.0417 2.650 (6.668) (6.680) (0.040) (0.106) (6.731) Bore, high pressure 1.750 1.760 0.0169 0.0427 1.775 (4.445) (4.470) (0.043) (0.108) (4.508) Bores, out-of-round 0.0010 (0.0030) Crankshaft: Journal (rod) size 0.9990 0.9995 0.0008 0.0028 (2.537) (2.539) (0.0020) (0.0071) Taper 0.0010 (0.0030) Out-of-round 0.0010 (0.003) End play 0.000 0.007 0.007 (0.018) (0.018) Piston to Cylinder: Low pressure, skirt 2.620 2.6205 0.0158 0.0417 2.605 (6.655) (6.6561) (0.0401) (0.1059) (6.617) High pressure, skirt 1.740 1.745 0.0169 0.0427 1.720 (4.420) (4.432) (0.0429) (0.1084) (4.369) G-1