HOSE BK 4568512 - Caterpillar

(1) Tighten the bolt against washer. Turn large nut backward until it is against the washer and tighten. Do this after the recoil spring is in the correct position and against the stops at each end.(2) 2V7440 Recoil spring (outer) for D4E Tractor: Assembled length for installation ... 18.25 in.(473.5 mm)(3) Torque for fill and relief valves ... 25 5 lb.ft.(35 7 N m)(4) Torque the lockpin bolt ... 50 10 lb.ft.(70 14 N m) Then hit lockpin with hammer and again tighten bolt to ... 50 10 lb.ft.(70 14 N m)(5) 2V7441 Recoil spring (inner) for D4E Tractor: Free length ... 12.36 in.(314.0 mm)Outside diameter ... 3.56 in.(90.4 mm) (6) Diameter of shaft ... 2.122 to 2.124 in.(53.90 to 53.95 mm) Maximum permissible clearance between shaft and bearing ... .040 in.(1.02 mm)(7) End clearance between idler and shaft ... .010 to .030 in.(0.25 to 0.76 mm) Maximum permissible end clearance ... .050 in.(1.27 mm)Maximum permissible bend in shaft ... .005 in.(0.13 mm)(8) 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.(9) Torque for plug ... 125 15 lb.ft.(170 20 N m)(10) Clearance between plate and roller frame (on each side of idler) ... .06 in.(1.5 mm)(11) Torque for bolts on both sides ... 90 10 lb.ft.(120 14 N m) The oil hole in the shaft (same end as plug) is to be on top when assembled.