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TM 5-4320-308-13
4-18.
INSPECT/REPLACE CYLINDER (Continued)
CLEANING/INSPECTION:
WARNING
Dry cleaning solvent P-D-680 (safety or Stoddard's Solvent) is potentially
dangerous. Avoid repeated and prolonged breathing of vapors and skin contact
with the liquid. Do not use near open flame, arcing equipment, or other ignition
sources. Always wear eye protection and protective clothing. The flash point of
P-D-680 is 100° to 138°F (38° to 59°C)
Death or serious injury could occur if compressed air is directed against the skin.
Do not use compressed air for cleaning or drying unless the pressure is/has been
reduced to 30 psi (2. 06 bar) or less. When working with compressed air always
use chip guards, eye protection, and other personal protective equipment
1
Clean cylinder seats in crankcase (2) with dry cleaning solvent and dry with compressed air. Check that cylinder
seats are smooth and flat
2 Clean cylinder thoroughly with dry cleaning solvent. Dry with compressed air. Inspect for damage, warpage,
rust, or corrosion. If severely damaged or warped, replace with new cylinder and piston
NOTE
For piston replacement instructions refer to paragraph 4-19.
3 Inspect cylinder for cracks. Inspect for scoring, glazing, or a ridge on the upper portion of inner surface. Inspect
for metal particles (fretting) on outer surface. Replace damaged cylinder with new cylinder and piston.
4-50
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