CORE AS 2414280 - Caterpillar

Single and Double Flange
End play (clearance) of the roller shaft (earlier) ... 0.25 to 0.85 mm (.010 to .033 in)End play (clearance) of the roller shaft (later) ... 0.25 to 1.25 mm (.010 to .049 in)Depth to install plug in end of shaft (earlier) ... 10 4 mm (.39 .16 in)Depth to install plug in end of shaft (later) ... 7 7 mm (.28 .28 in)(1) Clearance across the diameter between new shaft and bearings ... 0.53 0.06 mm (.021 .002 in)(2) Diameter of roller tread for new double flange roller ... 268.00 0.15 mm (10.551 .088 in) Minimum permissible roller tread diameter ... 207 mm (8.1 in)Diameter of roller tread for new single flange roller ... 278 0.15 mm (10.945 .088 in)Minimum permissible roller tread diameter ... 207 mm (8.1 in)(3) Torque for bolts (2YD1-2YD858) ... 90 15 N m (65 11 lb ft) Torque for bolts (2YD859-Up, 3SK) ... 135 20 N m (100 15 lb ft)(4) Torque for bolts that hold the rollers to the bogies ... 1125 100 N m (820 75 lb ft)(5) Bearing depth from end of idler ... 21.5 0.5 mm (.85 .02 in) Rubber torics and all surfaces contacting them must be clean and dry at assembly. Apply a thin film of oil to contacting surfaces of the metal seal rings just before assembly. Seal rings must be assembled square with the bore and toric and must not be bulged or twisted. Put lubricant on all other seals at assembly.Roller Placement
Start at the front of the machine.No. 1 Roller - Single FlangeNo. 2 Roller - Single FlangeNo. 3 Roller - Double FlangeNo. 4 Roller - Double FlangeNo. 5 Roller - Double FlangeNo. 6 Roller - Double FlangeNo. 7 Roller - Single FlangeNo. 8 Roller - Single Flange