When

Before reinstalling a piston that you removed

Items required

  • Dry, lint-free tissue

  • Isopropanol

Follow these steps

  1. Inspect the piston for signs of damage.

  2. Carefully rinse the piston, using isopropanol.

  3. With a dry, lint-free tissue, rub the piston several times.

  4. Hold the piston and carefully move your fingernail over the piston surface. You should not feel inconsistent or rough areas.

  5. Depends on the situation:

Situation

Action

No damage visible
No inconsistent or rough areas

1. Carefully rinse the piston again, using isopropanol.

2. With a dry, lint-free tissue, rub the piston several times.

3. Reinstall the piston.

Piston is scratched or scored

Install a new piston.