Illustration 1 | g00513115 |
Single Flange and Double Flange
End play (clearance) of the roller shaft:
- Minimum ... 0.25 mm (0.010 inch)
- Maximum ... 1.25 mm (0.049 inch)
Plug depth in the roller shaft. ... 7 ± 7 mm (.28 ± .28 inch)
(1) Clearance across the diameter between shaft and bearings ... .50 ± .06 mm (.020 ± .002 inch)
(2) Diameter of roller tread for double flange roller ... 250.0 mm (9.843 inch)
- Minimum permissible roller tread diameter ... 189 mm (7.4 inch)
- Diameter for the single flange roller tread ... 260.0 mm (10.236 inch)
- Minimum permissible roller tread diameter ... 186 mm (7.3 inch)
(3) Torque for bolts that hold the rollers to the bogies ... 750 ± 70 N·m (553 ± 51 lb ft)
(4) Bearing depth from face of roller rim ... 13.0 ± .5 mm (.51 ± .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 .
Roller Placement
Start at the front of the machine:
No. 1 track roller is a single flange.
No. 2 track roller is a single flange.
No. 3 track roller is a double flange.
No. 4 track roller is a double flange.
No. 5 track roller is a double flange.
No. 6 track roller is a double flange.
No. 7 track roller is a single flange.
No. 8 track roller is a single flange.