Track Roller Frame

NOTE

Adjust the hoist sling to position the front of the track

roller frame slightly higher than the rear.

(6) Raise the track roller frame to transfer the

weight of the track roller frame, from the equalizer

bar (2), to the hoist.

(7) Rock the track roller frame to separate it

from the track roller frame outer bearing (1) and to

separate the diagonal brace from the sprocket shaft.

(8) Remove the track roller frame by swinging

the front end of the roller frame away from the

tractor and guiding the track carrier roller support

(4) off of the equalizer bar (2).

(9) Inspect the bearings (fig. 7-40) for damage

or excessive wear. Replace if necessary.

NOTE

When replacing the bearings, align the dowel holes in

Figure 7-38. Removing diagonal brace bearing cap.

the bearings with the dowels contained in the bearing

cap and diagonal brace.

b. Inspection and Repair. Inspect the track inner

bearing for scoring, pitting, and wear. The specified

bearing clearance i s 0.012-0.015 inch. The

maximum allowable clearance is 0.040 inch.

Replace excessively scored, pitted or worn bearings.

c. Installation.

(1) Install the track roller frame in the reverse

order of removal.

(2) Install and adjust the track (subpara 7-7 e).

Track roller frame outer bearing

Equalizer bar

Track roller frame

Track carrier roller support

Figure 7-39. Removing track roller frame.

Figure 7-40. Bearing cap assembly.