D8T Track-Type Tractor Power Train Caterpillar


Idlers (Track) - SystemOne Track

Usage:

D8T J8B


Illustration 1g06154040

Table 1
Specification for 308-4365 Track Idler Gp, 
Item  Qty  Part  Specification Description 
6Y-0473 Clear Plug  The clear plug must not be recessed below the surface of the rubber stop after the idler is assembled. 
Install the clear plug so that the end is even with the stopper assembly. The clear plug can extend up to 0.0 to 5.0 mm (0.00 to 0.20 inch) out of the stopper assembly.
Extension of the track idler shaft from the face of the seal collar on both sides is 61.92 ± 0.13 mm (2.438 ± 0.005 inch)
Dimension for installing the stopper below the end of the shaft is 11 ± 4 mm (0.4 ± 0.2 inch) 
107-4057 O-Ring Seal  Lubricate the O-ring seals and the track idler shaft lightly with the lubricant that is being sealed. 
24  5P-2546 Bolt  Torque to 85 ± 15 N·m (63 ± 11 lb ft)
162-7863 Duo-Cone Seal Gp  The rubber toric seals and all the contacting surfaces must be clean and dry at assembly. Before assembly, apply a thin layer of oil to the contacting surfaces of the metal seal rings. The seal rings must be assembled square. The rubber toric seal should not bulge and the rubber toric seal should not twist. Refer to Special Instruction, SEHS8364, "Assembly and Installation of Conventional Duo-Cone Seals". 
End play of the idler shaft: 
Minimum is 0.33 mm (0.013 inch).
Maximum is 1.19 mm (0.047 inch).

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