DRESSTA TD-25M EXTRA, Service Manual

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SECTION 14
SUSPENSION
Page 36
TD-25M EXTRA DRESSTA
TRACK FRAME AND PIVOT SHAFT
Fig. 14.41. Exploded View of Track Frame and Pivot Shaft
Legend For Fig.’s. 14.40 and 14.41
1. Track Frame
2. Shaft Cover
3. Seal Shield
4. Snap Ring 5. Pivot Shaft
6. Retaining Plate
7. Wear Washer
8. Shim 9. Bushing
10. Bushing
11. Pivot Shaft Seal
12. O-Ring 13. O-Ring
14. Cover
15. Oil Level Dipstick
16. O-Ring
13. Use the knife to cut the rubber insert of the seal (11) to separate outer and inner rings.
14. Remove O-ring (12) and seal shield (3) with outer ring of seal (11) inside. Discard O-ring (12)
and seal shield (3) with outer part of seal (11).
15. Preheat the seal inner ring (11) to remove inner ring stuck to the pivot shaft (5). To do it, use
suitable puller.
16. Remove snap ring (4) from the pivot shaft (5).
17. Remove the track rollers. Refer to TRACK ROLLER in this Section.
18. Remove top idlers and top idler mounting brackets, if required. Refer to TOP IDLER in this
Section.
19. If bushings (9 and 10) need replacement, they can be removed with aid of a portable hydraulic
press.
20. Remove the pivot shaft (5) from machine as follows:
a. Attach a hoist sling to the pivot shaft. The hoist must be installed to give the best possible
balance. Place tension on the hoist.
b. Unscrew bolts securing the pivot shaft to the machine. Remove the pivot shaft from
machine.