HARNESS AS-CHASSIS 4487669 - Caterpillar

Illustration 1 g03841519
(1) Equalizer bar
(2) Lip seals
(3) Spherical bearing
(4) Seals The track roller frames are connected at the front by equalizer bar (1). The equalizer bar is a solid steel piece.Equalizer bar (1) keeps the roller frames in a constant position relative to the machine frame. The equalizer bar also keeps the roller frames in a constant position relative to each other.The equalizer bar is connected to the machine frame by a center pin. The equalizer bar pivots on the center pin. Lip seals (2) prevent foreign material from contacting the bearing in the center of the equalizer bar.Pins are installed in each end of the equalizer bar. The pins connect the equalizer bar to the track roller frames. Spherical bearings (3) are installed in each end of the equalizer bar. Seals (4) prevent foreign material from contacting the bearings. Limited slip seals and cross passages for lubrication extend the service life of the bearings and the pins in severe applications.