5-86. BOOM HOIST CYLINDER REPAIR (CONT).
(10) Remove piston rod guide (12), internal
retaining ring (6), and retainer plate (5)
from piston rod (1). Discard internal
(11) Remove and discard preformed packing (13)
and back-up ring (14) from piston rod
(12) Remove and discard rod wiper (15), back-up
ring (16), and preformed packing (17) from
piston rod guide (12).
Drycleaning solvent (P-D-680) is TOXIC and flammable. Wear protective goggles and gloves; use
only in 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 I
drycleaning solvent is 100°F (38°C) and for type II is 140°F (60°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.
(1) Clean all metal parts with drycleaning solvent.