COVER AS 6Y4997 - Caterpillar

Illustration 1 g00464027
Rear Power Take-OffInstall bearing (1) in the bore of the retainer plate. Install the bearing so the notches face toward the inside of the unit. Place the split in the bearing at the 8 o'clock position. (1) The bearing should overhang the bore of the retainer plate by the following length. ... 1.52 0.13 mm (0.060 0.005 inch) (2) Thickness of the thrust washer ... 2.959 0.038 mm (0.1165 0.0015 inch)End play of the output shaft. ... 0.79 0.29 mm (0.031 0.012 inch) (3) Tighten the four bolts for the retainer plate to the following torque. ... 80 6 N m (59 4 lb ft) (4) Retainer plate (5) Install the seal so the outer surface is level with the face of the retainer plate. (6) Output flange ... SAE J1956, Type S, Size 1480 (7) Install the bearing in the bore with the split at the 8 o'clock position. (8) Tighten the bolt to following torque. ... 275 19 N m (203 14 lb ft)Lubricate bolt threads and lubricate the face of the washer with engine oil before installation. (9) Install the idler gear assembly in the gear bore so the bearing does not extend past either face. (10) Assembly sequence for the idler shaftTighten three bolts evenly in order to draw the shaft squarely into the housing bore.Seat the shaft firmly against the housing with a center driver and hammer.Tighten the bolts to the following torque. ... 175 30 N m (130 22 lb ft)Tighten the bolts again to the following torque. ... 175 30 N m (130 22 lb ft) (11) Install the seal to the following depth. ... 11.5 mm (0.5 inch)Note: The installed depth for the seal is measured from the inside face of the cover plate. (12) Tighten the eight bolts to the cover plate to the following torque. ... 30 7 N m (22 5 lb ft)