Disassembly and Reassembly

Disassembly
Remove dust cover, and remove piston assembly from cylinder body.

Inspection
Inspect for following, and replace parts if necessary.
^ Damage, foreign material, wear, rust, and pinholes on the cylinder inner surface, piston, and sliding part of piston cup
^ Weak spring
^ Crack and deformation of dust cover

Assembly
1. Apply recommended rubber grease to piston cup and piston, and insert piston assembly.
2. Install dust cover.