28-2. ERECTION CYLINDER REPAIR (CONT).
Remove piston (33) from cylinder rod (21).
Note position of seal assembly
prior to removal.
Remove seal assembly (35) from piston (33)
Discard seal assembly.
Drycleaning Solvent (P-D-680) is TOXIC and flammable. Wear protective goggles, face
shield, and gloves; use only in a well-ventilated area; avoid contact with skin, eyes, and
clothes, and do not breathe vapors. Keep away from heat or flame. Never smoke when
using solvent. The flashpoint for Type II Drycleaning Solvent is 140 degrees F (60 degrees
C) and Type III Drycleaning Solvent is 200 degrees F (93 degrees C). Failure to do so may
result in injury or death to personnel.
If personnel become dizzy while using cleaning solvent, immediately get fresh air and
medical help. If solvent contacts skin or clothes, flush with cold water. If solvent contacts
eyes, immediately flush eyes with water and get immediate medical attention.
Compressed air used for cleaning purposes will not exceed 30 psi (207 kPa). Use only with
effective chip guarding and personal protective equipment (goggles/shield, gloves, etc). Failure
to comply may result in injury to personnel.
Clean all metal parts in drycleaning solvent.
Dry all parts with compressed air.
Inspect each part for cracks, bends, gouges or stripped threads.
Replace damaged parts.
Bushing inside diameter cannot be larger than 2.015 in. (51.18 mm). Replace worn bushings.