Case 2550 Crawler Dozer Service Manual

Table of Contents

1. Generalities
2. Engine
3. Transmission
4. Final Drives
5. Brakes and Steering differential
6. Undercarriage
7. Dozer Equipment Hydraulic System
8. Electrical System
9. Air Conditioning Unit

Manual Extract: UNDERCARRIAGE

GENERAL DESCRIPTION
– The track frames are made of a steel plate boxed structure. They are pivoted on the rear on the sprocket shaft. Oscillation of track frames: 205 mm (upper) – 410 mm (total).
– The track chains are of the a bolted (SPLIT) type.
– Sealed and lubricated (SALT) chains are supplied as a standard.
– The track release and adjusting mechanism is of a spring loaded type with hydraulic track tension adjuster.
– Seven permanently lubricated track bottom rollers.

Five with single flange and two double flange.
– Two permanently lubricated track carrier rollers.
– Permanently lubricated track idler wheels.
– Sprockets equipped with nine replaceable bolted toothed segments, for a total of twenty-seven teeth; anti-packing tooth profile.
– The track chain includes forty-one shoes.