GASKET 2197009 - Caterpillar

8N-8259 Idler Gear Assembly
Illustration 1 g00502347
(1) Bearing Bore in the bearing of the gear after assembly ... 63.602 0.039 mm (2.5040 .0015 inch) Diameter of the bearing surface of the shaft ... 63.500 0.013 mm (2.5000 .0005 inch) (2) Install the bearing from the face of the gear to the following depth. ... 1.5 0.5 mm (.060 0.02 inch) (3) Gear Length of the gear ... 50.75 0.05 mm (1.998 0.002 inch) Length of bearing surface on the shaft ... 51.00 0.05 mm (2.008 .002 inch) (4) Front spacer plate (5) Rear face of the front housing 4W-3123 Accessory Drive
Illustration 2 g00502348
(1) When the sleeve for 1W-7935 Pump Drive or the adapter for 1W-8585 Auxiliary Drive Group is used, tighten the bolts to the following torque. ... 30 3 N m (22 2 lb ft)Note: (2) Air compressor shaft nutUse the following procedure to tighten the nut.
Tighten the nut.Tighten the nut to the following torque. ... 200 25 N m (150 18 lb ft)
Hit the end of the shaft with a hammer. Tighten the nut.Tighten the nut to the following torque. ... 200 25 N m (150 18 lb ft)