Question

Difficulty: EasyPneumatic Tools and Compressors

Which routine maintenance procedure should a technician perform on a pneumatic hand tool immediately before daily operation to prevent internal component wear?

  1. A
    Pack the exhaust port with heavy multi-purpose wheel bearing grease
  2. Add a few drops of pneumatic air tool oil directly into the tool's air inletAnswer
  3. C
    Submerge the motor assembly in mineral spirits to wash out residual moisture
  4. D
    Run the tool dry at maximum air pressure for two minutes before applying a load

Answer

Add a few drops of pneumatic air tool oil directly into the tool's air inlet
Adding several drops of specialized air tool oil into the air inlet fitting before daily use provides vital boundary lubrication to the internal rotor vanes and cylinder walls as compressed air flows through the motor.

Step-by-Step Solution

1
Identify the primary lubrication requirement for pneumatic hand tools
Pneumatic tools contain high-speed rotating vanes and cylinders that require regular lightweight oil to minimize friction.
Compressed air lacks inherent lubricating qualities and carries small amounts of moisture that can cause corrosion and friction wear.
2
Determine the correct daily procedure for introducing lubrication into the tool
Applying several drops of designated pneumatic tool oil directly into the air inlet fitting before connecting the air hose allows incoming compressed air to atomize and distribute the lubricant throughout the motor.
This ensures immediate protective lubrication upon tool startup.

Key Concept

Pneumatic Tool Daily Lubrication
Estimated Time:45s
Rate this question