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| Illustration 1 | g00512807 |
End play (clearance) of the idler shaft
- Minimum ... 0.38 mm (.015 inch)
- Maximum ... 1.14 mm (.045 inch)
(1) Clearance across the diameter between shaft and bearings ... 0.50 ± 0.06 mm (0.020 ± 0.002 inch)
(2) Diameter of idler tread ... 720 mm (28.3 inch)
- Minimum permissible idler tread diameter ... 688 mm (27.1 inch)
(3) Torque for bolts that hold the idler to the bogie ... 1850 ± 150 N·m (1364 ± 110 lb ft)
(4) Bearing depth from the end of the idler ... 13.0 ± 0.5 mm (0.51 ± 0.02 inch)
Note: Rubber toric seals must be clean and dry at assembly. All surfaces that contact the toric seals must be clean and dry at assembly. At assembly, apply a thin film of oil to the contacting surfaces of the metal seal. Seal rings must be assembled squarely with the bore. The toric ring must not bulge and the toric ring must not be twisted. Refer to 6Y-0300 Installation Instructions for Conventional Duo-Cone Seal Assemblies.