PUMP-GEAR-YM 5183989 - Caterpillar

(1) Diameter of shaft ... 63.00 0.03 mm (2.480 .001 in)(2) Torque for bolts ... 55 7 N m (41 5 lb ft)(3) Diameter of roller tread (new) ... 209.5 0.25 mm (8.25 .010 in)Minimum permissible roller tread diameter ... 187.2 mm (7.37 in)(4) Torque for 5/8 in. bolts ... 300 25 N m (225 20 lb ft)Torque for 3/4 in. bolts ... 475 50 N m (350 37 lb ft)(5) End play (clearance) of the roller shaft:(Minimum) ... 0.28 mm (.011 in)(Maximum) ... 0.92 mm (.036 in)(6) Torque for plug ... 170 20 N m (125 15 lb ft) Rubber toric seals and all surface in contact with them must be clean and dry at assembly. Put a thin layer of oil on the surfaces of the metal seals that are in contact just before installation. Put lubricant on all other seals at assembly.