4-37. EXHAUST MANIFOLD REPLACEMENT (CONT).
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 exhaust manifold with lint-free cloth and drycleaning solvent.
(2) Measure exhaust ports with a straight edge
(position A). Clearance must be no greater
than 0.004 in. (0.10 mm).
(3) Inspect gasket surfaces for scratches,
burnout, and other damage.
(4) Replace manifold if damaged.