345B Excavator and 345B Material Handler Machine System Specifications Caterpillar

Illustration 1	g01437834

(1) The rubber toric seals and all the contacting surfaces must be clean and dry at assembly. Apply a thin layer of 6V-4876 Lubricant to the contacting surfaces of the metal seal rings prior to assembly. The seal rings must be assembled square. The rubber toric seal should not bulge and the rubber toric seal should not twist.

(2) Inside diameter of the two carrier roller bearings after assembly ... 78.28 ± 0.09 mm (3.082 ± 0.004 inch)

(3) Lubricate the bore of the O-ring seal with the lubricant that is being sealed.

(A) Length of the roller shaft assembly that must be free of paint before assembly ... 80 ± 5 mm (3.1 ± 0.2 inch)

(B) End play

Minimum ... 0.25 mm (0.010 inch)

Maximum ... 1.25 mm (0.049 inch)