FAN 1H2091 - Caterpillar

(1) Torque for bolt with lubricant on threads ... 800 80 lb.ft.(1090 110 N m)(2) Bore in new cylinder ... 4.0000 + .005 - .002 in.(101.60 + 0.13 - 0.05 mm)(3) Bore in new head ... 2.003 .001 (50.88 0.03 mm)Diameter of new rod ... 1.9980 .0015 in.(50.750 0.038 mm)(4) Put clean grease inside crown and around the outside of the cylinder on the threads and install the crown.Torque for crown ... 350 to 550 lb.ft.(470 to 750 N m)(5) Torque for setscrew in crown ... 25 3 lb.ft.(35 4 N m)