HOUSING-FDR-YM 4165489 - Caterpillar

Illustration 1 g00291728
Undercarriage (1) Rear idler (2) Track (3) Rear roller frame (4) Front roller frame (5) Front idler (6) Track rollers (7) Pivot shaftThe main components of the undercarriage consists of the following groups: rear idler (1), track (2), rear roller frame (3), track adjuster and recoil group (inside front roller frame (4) ), front idler (5), track rollers (6) and pivot shaft (7) .Pivot shaft (7) connects the roller frames to the machine main frame.
Illustration 2 g00809968
(8) wedgeThe equalizer bar connects the two roller frames at the front of the machine. Wedge (8) prevents oscillation of the bar and roller frames.The track roller frames consist of front roller frame (4) and rear roller frame (3). Front idler (5) is installed on front frame (4). Rear idler (1) and track rollers (6) are installed on the rear frame. A track adjuster and recoil group is installed in front roller frame (4). The track adjuster and recoil group keeps the track adjusted. The track adjuster and recoil group also protects the undercarriage and the final drives from overloads. Tracks (2) are sealed and lubricated for extended service life.