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Undercarriage

Undercarriage is the #1 life cycle maintenance expense on any track type machine

Extend Track Life with C.N. Wood's Track Management System
For equipment with a track system, 50% of all maintenance costs are for expenses related to the undercarriage. Because the undercarriage operates as an entire system, a worn component can significantly reduce the life on the entire undercarriage. The question is never whether you will need to replace a wear component, but when it should be replaced and how much production you can get before you need to replace undercarriage parts.

C.N. Wood's Track Management System
  • Utilizes an Ultrasonic Tool as well as conventional hand tools to
 measure the thickness of undercarriage components
  • Assesses current wear
  • Predicts when repairs are required
  • Reduces unscheduled downtime and repair expenses
  • Service shops are strategically located to assist you with all
  your undercarriage needs. See us for pad swaps, pin/bushing
  turns and replacements of individual components

C.N. Wood's Three Step Support System

1. Regularly Scheduled Inspections
C.N. Wood recommends regularly scheduled inspections for all brands, all types of track equipment. During our inspections, we routinely discuss proper track tension and cleaning requirements with your staff to maximize the life of your equipment's track system. We identify operational and maintenance concerns that could reduce the life of any components and recommend an appropriate preventive maintenance program.

2. Monitoring and Accurate Ultrasonic Inspections
For accurate, quick undercarriage inspections, C.N. Wood utilizes a Track Management System (TMS). With an ultrasonic measurement tool, hard to reach measurement areas can be accessed. This tool stores data and uses sound waves to determine the precise thickness of undercarriage components. The thickness indicates wear and life expectancy. Conventional manual measurements are also used. A factory trained C.N. Wood Product Support Sales Representative evaluates the data and recommends operational actions, maintenance activities and/or component replacements.

3. Scheduling Maintenance and Factory Support
Any track type machine needs repair or replacement of track life components periodically. C.N. Wood can provide reliable estimates for remaining hours of life, so that you can schedule maintenance, rather than be surprised by expenses and downtime due to breakdowns. C.N. Wood's service shops are equipped to provide the complete range of track services.

Tips for Extending Undercarriage Life
Track shoe width—Use the most narrow pad to maintain adequate flotation. If a pad is wider than necessary, there is extreme stress on other components, especially the track link seals.
 
Track adjustment—Follow the guidelines in the OEM operator's manual to determine proper track tension. Remember to adjust track tension to the operating conditions. As packing conditions increase, the adjusted track tension should decrease.
 
Sprockets—Carefully monitor sprocket wear, which is an indicator of operating problems and can indicate the condition of the internal pin and bushing assembly. Sprocket replacement is usually necessary whenever the mating surface of the bushing is changed, when rotating or replacing bushings or replacing the chain assembly.
 
Rollers—As the track roller tread area wears, the roller flanges grow closer to the link pin boss area. The pin boss area will be damaged if the flanges are allowed to come into contact with the pin boss. Damage in the pin boss area can eliminate the bushing turn option. Roller flanges contacting this area will wear away structural material and the pin end will be damaged. Cracking can occur when pressing the pin out or in, if the structure is weak. During the pressing process, damage and “flaring” to the pin end can cause damage to the internal pin boss area, and the pin boss cannot properly retain the pin after reassembly. Repositioning rollers from higher wear positions, at both the front and rear of the machine, to less wear center positions can be helpful to alleviate wear.
 
Bushing Turn—Turning the bushing 180° to use the unworn area allows using not only the entire wear surface of the bushing but also more of the link. Timing is key, however. If the bushing has worn past the wear life limit, the chances of damage to the bushing increases during the processing of pressing in and out, because the thickness of the bushing wall may be dangerously thin.
 
Alignment—The quickest way to detect an alignment problem is to look for anything shiny that should not normally be shiny. Indicators that the track frame alignment system needs adjusting are: inside of track links are scuffed and shiny, roller and front idler flanges show wear, and sides of sprockets are coming in contact with the inside of track links.