Vacuum Trucks

Hydroexcavator vacuum trucks are specialized equipment that require specialized attention in terms of vehicle and equipment maintenance. While these units demand the same maintenance as any other vacuum truck for sale, they have additional components that need care along with the rest of the truck. To preserve this expensive equipment, operators must pay clean and maintain the boom and debris tank.

Boom Upkeep

Hydroexcavators are larger and more powerful than most standard vacuum trucks, making a hose boom necessary for safe equipment use. To keep the boom in great shape, maintain it in the following ways:

  • Regularly Inspect the Boom - Make a checklist and go over it before every job. Look for any signs of damage to the boom and the hose like holes, scrapes, and cuts. Ensure the elbow is functioning properly.
  • Inspect the Elbow - The elbow is a high wear component on the boom that sees a lot of abrasion as material moves from a vertical flow up into the hose to a horizontal one into the debris tank. To increase its functional lifespan, install padded wear plates inside the elbow and check them frequently.
  • Inspect and Clean the Rotator Gear - The rotator gear is a worm gear that tends to accumulate debris that can affect its function. Inspect the gear for excess wear or damage and keep it clean to prevent any problems.
  • Rotate the Hose - To prevent uneven wear of the hose, especially when working with more abrasive materials, rotate it a quarter of a turn on the boom every 30 or so hours of use. This will reduce the formation of wear channels that will shorten its life.
  • Grease the Boom - Other than inspecting everything, the only real maintenance that the boom mechanism needs is regular greasing in all the joints to keep it functional.

Debris Tank Upkeep

Besides caring for the boom, every hydroexcavator needs additional care for the debris tank to reduce damage and prevent corrosion. When purchasing a used hydroexcavator vacuum truck for sale, it is also important to check the tank to ensure it has been properly cared for in the past:

  • Clean the Tank After Every Use - No matter what type of debris is collected in the tank, wash it thoroughly and then dry it once it is empty. This will prevent any hazardous or corrosive debris from sticking as well as remove any oils, dust, or other material from building up on the inside. Simple, regular cleanings will prevent corrosion as well as the need for any corrosion coatings. Clean out the boom at the same time to remove residue.
  • Inspect the Shutoff Valve - The shutoff valve is an essential piece of equipment on the tank that can become affected by debris collecting around the valve. Keep it clean and make sure the ball moves freely and seats well to ensure proper function. Replace the valve if it becomes damaged.
  • Seals and Grease Points - Regularly inspect seals for damage and make sure they stay clean to prevent air leaks that will compromise the vacuum’s power. As with any other equipment, keep all grease points lubricated to reduce wear and possible failure.

Following these important maintenance points, operators can quickly and easily ensure hydroexcavators stay clean and functional as long as possible. Besides the routine maintenance that all vacuum trucks require, care and maintenance of the boom, hose, and debris tank will ensure a full service life from this expensive equipment. The boom and debris tank should also be carefully inspected prior to purchasing an excavation vacuum truck for sale to ensure starting out with equipment that is in great shape!

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