SPRING 2H9120 - Caterpillar

(1) Diameter of shaft ... 63.35 0.03 mm (2.494 .001 in)(2) Maximum permissible clearance between shaft and bearing ... 1.14 mm (.045 in)(3) Torque for 15.9 mm (5/8 in) bolts ... 300 25 N m (225 18 lb ft) Torque for 19.05 mm (3/4 in) bolts ... 475 37 N m (350 27 lb ft)(4) Maximum permissible amount shaft can be bent ... 0.13 mm (.005 in)(5) End clearance between roller and shaft ... 0.28 to 0.74 mm (.011 to .029 in) Maximum permissible end clearance ... 1.14 mm (.045 in)(6) Put 1 liter (1.1 qt) of SAE 30 Class CD oil in each roller and install plug. Torque for plug ... 170 25 N m (125 18 lb ft) Rubber toric seals and all surfaces 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.Roller Placement
#1 Roller-Single flange#2 Roller-Double flange#3 Roller-Double flange#4 Roller-Single flange#5 Roller-Double flange#6 Roller-Single flange Numbered from idler.