MAINTENANCE OF THE M88A1 - OD1672 - LESSON 1/TASK 2
c. Track Support Rollers (7) (figure 4, view A).
Three dual support
rollers are mounted on each side of the vehicle to support and prevent
sagging of the upper track span. Each pair of support rollers is bolted to
a single hub which has roller bearings that are supported on a single
spindle fastened to the vehicle hull. The spindle has a solid rubber tire
bonded to the running flanges.