A detailed CLOSED EXPANSION TANK DAILY preventive maintenance c checklists

Visual Inspection

  • Examine all joints and seams for moisture.
  • Look for water stains or mineral deposits.
  • Inspect the entire length of piping connected to the tank.
  • Pay special attention to areas that experience high pressure.
  • Look for discoloration on the tank surface.
  • Check for flaking paint or surface damage.
  • Inspect welds and seams for any signs of degradation.
  • Examine both interior and exterior surfaces if accessible.
  • Check mounting brackets and fasteners for tightness.
  • Look for any bending or warping of the tank.
  • Inspect the base where the tank is mounted for stability.
  • Ensure there are no visible cracks in the tank structure.
  • Check for any tears or gaps in the insulation material.
  • Ensure insulation is securely attached to the tank.
  • Look for signs of moisture that could indicate damage.
  • Inspect for mold or mildew growth in the insulation.
  • Look for cracks or deformities in fittings.
  • Check for any signs of leakage at connection points.
  • Inspect seals and gaskets for wear.
  • Ensure all connections are tight and secure.
  • Inspect brackets for rust or corrosion.
  • Check for any missing or damaged fasteners.
  • Ensure brackets are securely fixed to the tank and surface.
  • Look for any signs of wear or stress on hardware.
  • Remove any dust, dirt, or debris around the tank.
  • Check for any objects blocking access to the tank.
  • Ensure there is adequate space for maintenance activities.
  • Inspect vents or openings for blockages.
  • Check the gauge for any cracks or breakage.
  • Ensure the needle is moving freely and accurately.
  • Inspect connections to the gauge for tightness.
  • Verify calibration against known pressure values.
  • Look for puddles or damp spots on the ground.
  • Check for signs of mold or mildew growth.
  • Inspect nearby equipment for water damage.
  • Ensure drainage pathways are clear.
  • Ensure labels are legible and correctly placed.
  • Verify that all components are properly identified.
  • Check for compliance with safety regulations.
  • Inspect for any missing or outdated labels.
  • Check that all covers are securely fastened.
  • Inspect for signs of wear or damage on shields.
  • Ensure no components are exposed that should be covered.
  • Verify that shields do not impede operation.
  • Observe the tank during operation for excessive movement.
  • Check mounting points for signs of wear.
  • Listen for unusual noises that indicate vibration.
  • Ensure all components are securely attached.
  • Inspect for areas of discoloration or blistering.
  • Check for warping or deformation of the tank.
  • Feel for excessive heat on the tank surface.
  • Ensure proper insulation is in place to prevent overheating.
  • Test all access panels for smooth operation.
  • Check hinges and locks for functionality.
  • Inspect for any obstructions preventing access.
  • Ensure panels are properly sealed when closed.

Pressure and Temperature Checks

Fluid Level Check

Vent and Drain Valve Inspection

Safety Device Functionality

Documentation

Final Review

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