TM 10-4320-307-24
2-18
ENGINE EXHAUST SYSTEM REPAIR/REPLACE (CONT).
CLEANING/INSPECTION:
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
source. Always wear eye protection and protective clothing. The flash point of P-
D-680 is 1000 to 138°F (380 to 590C).
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 (2.11 kgcm 2) or less. When working with compressed air
always use chip guards, eye protection, and other personal protective equipment.
1.
Clean muffler guard with dry cleaning solvent and dry with compressed air. Inspect for minor rust corrosion or other
damage. Replace if severely rusted or damaged.
2.
Inspect muffler for damage or erosion that would prevent exhaust gas to escape. Replace muffler if muffler is
severely damaged or eroded.
2-39