Equipment Care & Repair

Removal

Getting the old floor, adhesive, and fasteners out without damaging the substrate.

• Scraper Blade Selection: Width, Angle and Material

  Blade width, bevel direction, angle and blade type for each flooring material, plus how to keep blades sharp enough to matter.

• Tile Breaker vs Ride-On Scraper for Tile Demo

  How a wheeled tile breaker and a ride-on scraper each take up tile and mortar, and which fits the room, the mortar bed and the access.

Surface Prep

Patching, leveling, and testing so the new floor has something to bond to.

• Sanding Wood Floors: Machines and Grit Sequence

  Sanding angles, grit sequences, drum and edger technique, and dust, fire and lead rules for sanding wood floors, from Lägler, Bona, NWFA and EPA.

Finishing

Transitions, wall base, stairs, and edge details.

• Binding Machine Setup: Needles, Tape and Thread

  Setting up a carpet binder: needle and orientation, thread tension, folder and tape width, stitch type, and single vs double pull.

Finding Parts

Identifying the right OEM replacement part.

• Finding the Right Replacement Part: Diagrams and Part Numbers

  How to identify the exact OEM part you need: model and serial numbers, reading exploded diagrams, and what to send us when you're not sure.

Maintenance

Keeping machines and tools running between jobs.

• Heat Weld Gun Care: Elements, Filters and Nozzles

  Cooling down, cleaning air filters, changing heating elements and cleaning nozzles on Leister-type heat weld guns, and what to leave to a service center.

• Rebuilding a Knee Kicker: Teeth, Pads and Heads

  Rebuilding a knee kicker: replacing pin plates and teeth, setting pin depth, and swapping the bumper pad on Roberts and Crain kickers.

• Power Stretcher Care and Common Wear Parts

  Keeping a Crain or Roberts power stretcher working: pin depth, lubrication, the wear parts that fail first, and their part numbers.

• Ride-On Scraper Batteries: Charging, Watering, Replacing

  Charging, alarms and cold-weather care for National ride-on batteries, plus watering and hydrometer checks if you run flooded cells.

• Ride-On Scraper Daily and Weekly Maintenance

  Daily, monthly and hour-based maintenance for battery ride-on scrapers: charging, hydraulics, blades, wheels, storage and transport, based on National's serv...

• Ride-On Scraper Wheels, Casters and Wheel Motors

  On a battery ride-on, the drive wheels, wheel motors and front caster take more abuse than anything except the blade. Carpet fiber and glue...

• Undercut and Jamb Saw Blade Changes

  Changing blades on Crain and Roberts undercut, jamb and toe-kick saws: unplugging, spindle locks, blade direction, height and depth settings, and brushes.

• Eddy Floor Scraper: Blades, Brushes and Wear Parts

  Which Eddy Floor Scraper parts wear, how to change blades, and how to read Eddy's parts list when ordering

• Walk-Behind Scraper Maintenance

  The daily checks, blade care and adjustments that keep a walk-behind floor scraper cutting, based on National's 550 manual.

Equipment & Tooling

Choosing and setting up the machines and consumables for this work.

• Dust Extraction: Matching a HEPA Vacuum to Your Grinder

  Sizing a dust collector to a grinder under OSHA Table 1, what HEPA and filter cleaning mean in practice, and the setup mistakes that kill airflow.

• Loading and Transporting Floor Machines Safely

  Strap ratings, tie-down counts, and National's rules for moving ride-on scrapers: no ramps, lift gates rated for the load, and blades off.

Troubleshooting

• Binding Machine Skipped Stitches and Timing

  Fixing skipped stitches, broken thread and poor feed on a carpet binder, with the checks from National's BindPro manual.

• Seaming Iron Not Heating or Overheating

  Diagnosing a seaming iron that won't heat or runs too hot: settings, cords, thermostats and elements, and what overheating does to seams.

• Floor Scraper Won't Start, Won't Move or Keeps Tripping

  A symptom-by-symptom check for National ride-on and walk-behind scrapers: power supply, safety switches, overloads, capacitors, isolators, belts and chains.

• Ride-On Scraper Hydraulic Leaks and Weak Lift

  Hydraulic fluid, levels, filter intervals and the usual causes of leaks and slow or weak lift on National ride-on scrapers.

Shop the tools

• Ride-On Floor Scraper Blades & Accessories
• Walk Behind Floor Scraper Blades & Accessories
• Power Stretchers & Accessories
• Seaming Irons & Weights
• Binding Machine Attachments
• Dust Collectors & Vacuums