CARRIER 6T0275 - Caterpillar

(1) Free motion (backlash) between idler gear and crankshaft gear ... .000 to .012 in.(0.0 to 0.3 mm)(2) Bore in idler gear bearing ... 1.5015 .0019 in.(38.138 0.048 mm)(3) End clearance between gears and cover (new) ... .004 to .006 in.(0.10 to 0.15 mm)(4) Diameter of idler gear shaft ... 1.4977 .0005 in.(38.042 0.013 mm)(5) Bore in both cover assemblies ... 1.2524 .0005 in.(31.81 0.013 mm)(6) Free motion (backlash) between idler and driven gears ... .002 to .014 in.(0.05 to 0.36 mm)(7) Diameter of drive and driven shafts ... 1.2497 .0002 in.(31.742 0.005 mm)(8) Torque for retaining nut of drive gear (tighten to install cotter pin) ... 100 lb.ft.(13.83 mkg)(9) 6N1280 Spring for relief valve: Length under test force ... 5.00 in.(127.0 mm)Test force ... 131.2 10.5 lb.(59.51 4.76 kg)Free length after test ... 5.94 in.(150.8 mm)Outside diameter ... 1.063 in.(27.0 mm)