6 Tips to Your Excavator Running Smoothly
The undercarriage of tracked heavy equipment, such as
crawler excavators, consists of many moving components that need to be
maintained for them to function properly. If the undercarriage is not routinely
inspected and maintained, it can easily cost you valuable time, money and
potentially decrease the track’s life span.
By following these 6 tips!
1: Keep the Undercarriage Clean
At the end of each workday, excavator operators should take
time to clean out dirt and other debris that may lead to undercarriage buildup.
Shovels and pressure washers can be used to help clean the undercarriage.
In addition, debris can add weight to the undercarriage,
reducing fuel economy.
2: Routinely Inspect the Undercarriage
It is important to complete a full undercarriage inspection
for excessive or uneven wear, as well as look for damaged or missing
components. If the machine is being used in harsh applications or other
challenging conditions, the undercarriage may need to be inspected more
frequently.
The following items should be inspected on a routine basis:
·
Drive motor
·
Drive sprockets
·
Main idlers and rollers
·
Rock guards
·
Track bolts
·
Track chains
·
Track shoes
·
Track tension
Always follow the manufacturer’s operation and maintenance
manual for proper undercarriage maintenance.
3: Follow Basic Best Practices
Certain construction jobsite tasks can create more wear on
excavator tracks and undercarriages than other applications, so it is important
that operators adhere to the manufacturer’s recommended operating procedures.
Some tips that can help minimize track and undercarriage
wear include:
Make wider turns: Sharp turns or pivoting the machine can
lead to accelerated wear and increase the potential for de-tracking.
Minimize time on slopes: Constant operation on a slope or
hill in one direction can accelerate wear. However, many applications require
slope or hillside work. When moving the machine up or down a hill, make sure
that the drive motor is in the correct position to reduce track wear. According
to Reardon, the drive motor should be facing the back of the machine for easy
maneuverability up a slope or hill.
Avoid harsh environments: Rough asphalt or concrete or other
abrasive materials can cause damage to tracks.
Reduce unnecessary spinning: Train your operators to make
wide, less aggressive turns. Track spinning can lead to wear and decrease
productivity.
Select the correct shoe width: Choose the proper shoe width
by considering the weight of the machine and application. For instance,
narrower excavator shoes are better suited for hard soil and rocky conditions
because they have better soil penetration and grip. Wide excavator shoes
typically work well in soft underfoot conditions because they have more
flotation with lower ground pressure.
Pick the correct grouser: Consider the application before
choosing the number of grousers per shoe. A single or double grouser may work
well when laying pipe but may not work well in other applications. Typically,
the higher number of grousers the track has, the more contact the track has
with the ground, vibration is reduced and the track will last longer when
working in more abrasive conditions.
4: Maintain Proper Track Tension
Incorrect track tension may lead to increased track wear, so
it is important to adhere to the proper tension. As a general rule, when your
operators are working in soft, muddy conditions, it is recommended to run the
tracks slightly looser.
5: Consider Rubber Tracks for Sensitive Surfaces
Rubber tracks are available on smaller excavators and these
models excel in a variety of applications. Most noticeably, rubber tracks
provide good flotation, allowing excavators to travel across and work on soft
ground conditions. The rubber tracks have minimal ground disturbance on
finished surfaces, such as concrete, grass or asphalt.
6: Adhere to Proper
Digging Procedures
Excavator operators should follow basic operating procedures
as outlined in the manufacturer’s operation and maintenance manual to minimize
excessive wear and track degradation.
The undercarriage makes up a large portion of track
replacement costs. It consists of expensive components. Adhering to these six
undercarriage maintenance tips, as well as proper track maintenance can help
keep your overall cost of ownership down and extend the life of your tracks.
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