Rubber Track Loader
13. Undercarriage
Note: The hubs on SR-70 & SR-80 machines
are very similar in design. The components,
although not identical, are serviced in the same
manner. Please note any differences between
the two machines during disassembly to aid
during reassembly. (see notes in procedure)
13-36
Idler Hub
Service Procedure SR-70 & 80 (80 shown)
Required Tools
Socket Wrench & Sockets (including Allen)
Press & Tool Kit (SR-70: 0403-475 or SR-80: 0403-339)
Snap Ring Pliers
1. Remove the hub assemblies from the undercar-
riages as required first by following steps 1-7 of
the track removal procedure on page 4-6. Then
proceed to the steps below.
2. Remove the snap ring (item 22) securing the cap
(item 23) in the hub assembly. (fig. 13-36)
3. Remove the nut (item 24) and the washer (item
25), then remove the hub assembly from the axle
shaft. (fig. 13-36) (see note below)
Axle
13-37
Note: If you are removing the inner front hub assem-
bly, you will have to slide the axle (item 26) out of the
main rail weldment to remove it. (fig. 13-36, 13-37)
Note: If you are removing the outer or rear hub
assemblies you will be able to remove the hub assem-
bly once step three is complete.
13-38
13-39
4. Using a press and tool # 0403-336, press the
bearing sleeve out of the hub assembly. (fig. 13-
38, 13-39)
13-8
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Hub Tool Kits
SR-70: 0403-475
SR-80: 0403-339
Part #: 0403-336
SR-70 use tool #: 0403-375