Caterpillar Custom Track Service Handbook Manual – PDF DOWNLOAD
DESCRIPTION:
Caterpillar Custom Track Service Handbook Manual – PDF DOWNLOAD
General Information
- The variables that determine complete undercarriage system life and wear balance between components can be divided into three major groupings. The first are those which, to a great extent, are controllable.
- Controllable variables include track tension adjustment (controlled by user operating and/or maintenance personnel), shoe width (controlled by user operating and purchasing personnel) and on some models, alignment (controlled by user and/or dealer service personnel).
- The second major group, non-controllable variables, discussed later in this major section include those life determining factors which are “givens.” They come with the job.
- They are 100 percent determined by the underfoot conditions and include impact, abrasiveness, packing, moisture, terrain and even application, meaning what the machine is doing.
- The final major group is sometimes called partially controllable variables and mainly involve machine operator controllable events such as “habits.” A thorough knowledge of each of the elements of all these three major groups is essential if the CTS expert is going to be able to not only explain “what has happened,” but also “what could be expected to happen,” especially as any of these variables were to change.
- Awareness of the relative interplay between these variables on the final wear or structural life of specific components, and even on the system is so important that their discussion has been placed at the front of this book.
- To use the rest of the book before understanding these would be counterproductive. Controllable Variables Controllable variables that affect undercarriage life must be separated out for discussion because, in the case of at least the first two, they can have major economic effect on the operation of undercarriage systems. Track adjustment can have a very large effect on external bushing life, even to the extent of deciding whether a costly turn will or will not be required to use up the link-roller system.
- Track tension can also affect track seal integrity. Track adjustment is controllable because the user can change it. Shoe width, for which a detailed discussion follows, is controllable because the user, with your advice, chooses which shoe to order on his new machine and/or changes to when the machine changes tracks or even jobs.
- Shoe width as you will learn can effect such widely ranging items as track seal and lubricant integrity to link cracking to roller flange wear to bushing wear rate. Alignment, the third and least critical controllable variable is discussed here because, particularly on low sprocket machines, it is wrongly blamed as a cause for many symptoms.
- It is beneficial to know how misalignment does and does not affect wear patterns so you can better identify the real cause, controllable or not. A short discussion on track-excited vibration is also placed in this area even though it is only controllable at machine design time.
- Track Adjustment Although the method of measuring the reference sag and adjusting the track varies by machine type, the importance for these different machine types does not.
- As discussed earlier, track over-tightening can drastically affect external bushing life (increasing wear rate as much as three times) and for this reason alone is listed frequently as a “cause” or “accelerator” under the wear and structural problems section for many components. See separate machine sections for complete instructions on track adjustment.
TABLE OF CONTENTS:
Caterpillar Custom Track Service Handbook Manual – PDF DOWNLOAD
Table of Contents................ 3 General Information.............. 8 Management & Merchandising....... 74 Elevated Sprocket Machines....... 96 Low Sprocket Machines............248 Cat Classic Undercarriage....390 Hydrostatic Loaders..............428 Excavators.......................490 Paving Products/Drive Belts......794
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