When
Before reinstalling a piston that you removed
Items required
Dry, lint-free tissue
Isopropanol
Follow these steps
Inspect the piston for signs of damage.
Carefully rinse the piston, using isopropanol.
With a dry, lint-free tissue, rub the piston several times.
Hold the piston and carefully move your fingernail over the piston surface. You should not feel inconsistent or rough areas.
Depends on the situation:
Situation | Action |
---|---|
No damage visible | 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. |